Soaring Magazine Index for Technical Soaring organized by issue

Steve Bowen, Epoxy Glass Systems for Sailplane Construction [Construction], page 1
W.J. Betts and G.P. Layton, Jr., Towplane Hook Design and Operational Tests [Design; Launching\Aerotow], page 7
Paul B. MacCready, Instruments and Techniques for Locating and Exploiting Thermals [Meteorology\Thermals; Instruments], page 14
Francisco Leme Galvao, A Universal Table for Gliding, page 18

John H. McMasters and Curtis J. Cole, The Prospects for Man Powered Flight (The Future of an Illusion) [Human-Powered Flight], page 1
C.A. Patching, Establishing the Structure Integrity of Aging Gliders [Construction], page 17
D.F. Farrar, A Low Speed Sailplane for Research, page 25
Robert J. Pegg, Application of the Valveless Pulsejet Engine to Powered Sailplanes, page 29

Charles V. Lindsay, Forecasting thermal conditions for soaring, page 1
Paul Bikle, Sailplane Performance Measured in Flight, page 6
Call for Papers, page 32

J.R. Milford and G.R. Whitfield, An Instrumented Glider for Meteorological Research [Meteorology], page 1
H.C.N. Goodhart, A Note on the Measurement of the Induced Drag Factor (k) of a Glider, page 7
Major Judson T. Bauman, Effect of Stabilizer Lift on Sailplane Performance, page 10
Marshall Howe, The Berkshire Electric Vario [Instruments\Variometers], page 16
Don Ott, John Larkins, and Kevin Ott, A Ticker Audio vario [Instruments\Variometers], page 26
L. Pazmany, H. Prentice, C. Waterman, and F. Tietge, Potential structural Materials and Design Concepts for Light Airplanes, Part I, page 30
G. Stedtfield and J.P. Crance, Translated and abstracted by Erica Scurr, Abstract: The World Gliding Championships at Marfa Texas and the Medico-Physiologic Preparation of the Teams, page 39
Call for Papers, page 40

Doc. Dr.-Ing. Jerzy Maryniak, Longitudinal Stability of a Glider in Rigid Tow [Launching\Aerotow], page 1
L. Pazmany, H. Prentice, C. Waterman, and F. Tietge, Potential Structural Materials and Design Concepts for Light Airplanes, Part II [Construction], page 8
Robert A. McKnight, Mechanics of airspeed [Aerodynamics], page 25
Papers Presented at 13th OSTIV Congress, Vrsac, Yugoslavia, 1972 (Technical), page 43

Steven T. Bowen, Composite Systems for Aircraft Construction [Construction], page 1
Piero Morelli, Extruded Light Alloy Aircraft Structure [Construction], page 14
L. Pazmany, H. Prentice, C. Waterman, and F. Tietge, Potential structural materials and design concepts for light aircraft, part 3 [Construction], page 25

K.J. Strack, Crack Toughened Epoxies for Room Temperature Applications [Construction], page 1
Barry R. Elson, Fiberglass reinforcement for sailplanes [Construction], page 8
L. Pazmany, H. Prentice, C. Waterman, and F. Tietge, Potential structural materials and design concepts for light airplanes, Part IV [Construction], page 18
Call for Papers: Fourtenth OSTIC Congress, Waikerie, Australia [OSTIV], page 44

Jerzy Wolf, The stretched membrane sailwing, page 1
Ralph Markson, Remote Detection of Thermals by Means of Horizontal Electric Field Measurements [Meteorology\Convection], page 14
William H. Phillips, Gyroscopic Moments on a Glider in Turning Flight [Aerodynamics], page 29
Call for Papers: AIAA/MIT/SSA Second International Symposium on the Technology and Scence of Low-Speed and Motorless Flight, page 37
K.J. Strack, ERRATA: "Crack Toughened Epoxies for Room Temperature Applications", Volume II, Number 3, page 1., page 38
Call for Papers: A Northwest Soaring Symposium, page 38

F.G. Irving, Cloudstreet Flying [Meteorology\Convection], page 1
Jósef Gedeon, Dynamic Analysis of Dolphin Style Thermal Cross Country Flight [Techniques\Dolphin], page 9
Risto Arho, Optimal dolphin soaring as a variational problem [Techniques\Dolphin], page 20
Ludomir Laudanski, Gust loads on gliders taking into account their flexibility [Aerodynamics], page 27

C.L. Bristor, C.V. Lindsay, B.B. Goddard, and R. Koeffler, New Satellite Support for the Soaring Weather Forecaster and Pilot [Meteorology\Forecasting], page 1
Robert T. Lamson, Alcor - A High Altitude Pressurized Sailplane [Sailplanes\Alcor], page 14
F.G. Irving, The Effect of Errors in Interthermal Speed on the Average Cross Country Speed [Techniques\Thermal], page 26
F.G. Irving, Altitude Effects on Variometers [Instruments\Variometers], page 31

Peter F. Lester, An Evaluation of a Lee Wave Forecasting Nomogram [Meteorology\Waves], page 1
Hans Zacher, The definition of the motorsegler [Motorgliders], page 11
Jósef Gedeon, Dynamic Analysis of Dolphin Style Thermal Cross Country Flight [Techniques\Dolphin], page 17

F. Weber and W. Trommsdorf, The Meteorological Conditions for Dynamic Soaring in the Jetstream and in the Low Level Jet [Techniques\Dynamic Soaring; Meteorology], page 1
J.H. McMasters, An Analytic Survey of Low Speed Flying Devices - Natural and Man-Made [Aerodynamics], page 17
J.H. McMasters, Low Speed Airfoil Bibliography [Literature\Bibliography; Literature\Aerodynamics], page 40

Flugwissenschaftliche Vereinigung: Automatic Control of Camber Changing Flaps on High-Performance Sailplanes [Construction], page 1
Malcolm J. Abzug, A Speed Ring for Cloud Street Flying [Performance], page 9
Richard M. Andres, Is a "Speed Ring" Necessary [Performance], page 15
Wilhelm Lucker, A New Seatbelt System for Sailplanes [Safety], page 22

Dan M. Somers, Experimental and Theoretical Investigation of Differences between a Manufactured and the Corresponding Design Airfoil Section [Aerodynamics], page 1
Wieslaw Staffiej, Load alleviating capabilities of the glider structure [Construction], page 15
D.J. Marsden and V.K. Sharma, A retractable propeller for self launching sailplanes [Motorgliders], page 22
A Preliminary Symposium Announcement, page 26
Risto Arho, Some Notes on Soaring Flight Optimization Theory [Performance], page 27

Oran W. Nicks, A Simple Total Energy Sensor [Instruments], page 1
Patrick K. Squires, Development of a Computerized Sailplane Performance Analysis [Aerodynamics], page 12
Patrick K. Squires, Configuration Optimization of a 13 Meter Span Sport Sailplane [Aerodynamics], page 19
C.A. Patching and G. Strickland, Instructional Techniques for Gliding Instructors [Instruction], page 29
T.W. Glade and J.C. Westkaemper, Planform Effects on the Induced Drag of Untwisted Wings [Aerodynamics], page 35

V. Giavotto and L. Salvioni, A Direct Technique for Measuring Sailplane Performances [Aerodynamics\Measurements], page 1
Richard H. Johnson, Flight Test Polar Measurements of Modern Sailplanes [Aerodynamics\Flight Tests], page 11
Robert T. Lampson, Advances in Material Science and Fabricating Techniques for Sailplane Construction [Construction\Materials], page 27
J. Gedeon and G. Kalman, Service Life Extension Possibilities by Fatigue Tests on Used Sailplanes [Sailplanes\Testing], page 34

R. Meyer, Dolphin Style Gliding [Techniques\Dolphin], page 1
Peter Mortenson, Glide Matrix and Final Glide Device [Performance], page 10
Stephen Du Pont, Safer Landings through Understanding Visual Pattern Angles [Safety], page 13
E. Eugene Larrabee, The Aerodynamic Design of Sailplane Tail Assemblies [Sailplanes\Design], page 21
Malcolm J. Abzug, Computed Variometer Response to Elevation Motion and Thermals [Instruments\Variometers], page 29
Call for Papers - XVI OSTIV Congress, Chateauroux, France July 20-29, 1978 [OSTIV], page 36
Richard H. Johnson, Errata: Flight Test Polar Measurements of Modern Sailplanes (Volume IV, Number 4) [Errata; Aerodynamics\Flight Tests], page 37
Call for Papers - Third International Suymposium on the Science and Technology of Low-Speed and Motorless Flight, page 38

Vadym V. Utgoff and Frederick G. Johnson, Dynamic Soaring in the Atmospheric Boundary Layer: An Experimental Investigation [Techniques\Dynamic Soaring], page 1
Lee Collins and Wolfram Gorisch, Dolphin-style soaring - A Computer Simulation with respect to the Glider's Energy Balance [Techniques\Dolphin], page 16
D. Althaus, Measurements on Airfoils with Flaps at Medium Reynolds-Numbers [Aerodynamics], page 22
Henrcy Millicer, The Deep Stall of Sailplanes, Part 1 [Aerodynamics], page 35
NASA-SSA Third International Symposium on the Science and Technology of Low Speed and Motorless Flight [Aerodynamics; Conferences], page 39

Doug Armstrong and Chris Hill, Moutain Meteorology - Know Before You go [Meteorology\Mountain], page 1
D.J. Marsden, Sailplane Performance Estimation [Sailplanes\Performance; Aerodynamics], page 15
J.H.M. Gooden, Experimental Low-Speed Aerodynamic Characteristics of the Wortmann FX 66-S-196 VI Airfoil [Aerodynamics], page 21
H. Ulv Mai, Application of a Low-Frequency Aeroelastic Element Method to the Harmonic Gust Response Analysis of a Flexible Airplane [Construction\Analysis], page 32
Stefan Nyström and J. Ulv Mai, A Fatigue Test on a Sailplane Wing [Construction\Testing], page 37

Bernard Peiwonsky, A Letter from the Editor, page 1
George Bennett, Einar Enevoldson, Joe Gera, and Jim Patton, Pilot Evaluation of Sailplane Handling Qualities [Performance], page 3
Winfried M. Feifel, Combination of Aileron and Flap Deflection for Minimum Induced Drag [Performance], page 15
Francisco Leme Galvão, A Simplified Method of Airfoil Design [Aerodynamics\Design], page 24
Frank Irving, The Energy Loss in Pitching Maneuvers [Aerodynamics\Performance], page 39

John McMasters, A Letter from the Editor, page 1
M. Hansen, Design and Construction of the SB-11, page 3
J. Gedeon, Some Thoughts on the Feasibility of a Solar-Powered Plane, page 11
Frank G. Sator, Supercritical Airfoil Sections with Slotless Fowler Flaps for Gliders and Motogliders, page 19
Ch. Fauvel, New Developments in Self-Launching Sailplanes Single Seater Flying Wing Fauvel AV-451 with Laminar Airfoil Wortmann GX-66H-159, page 27
Call for Papers, page 31

J.H. McMasters and M.L. Henderson, Low Speed Single Element Airfoil Synthesis, page 1
F.X. Litt and G. Sander, Optimal flight strategy in a given space distribution of lifts with minimum and maximal altitude constraints [Techniques\Flight], page 23
Justyn Sandauer, Some problems of the dolphin mode flight technique [Techniques\Flight], page 29
H.C. Higgins, The light touch, page 35

J.H. McMasters, Editorial, page 1
Wieslaw Stafiej, Loading Consequences of the Wing Upper Surface Air Brake, page 3
R.T. Lamson, Possible Overloading of Sailplane Wings through Spoiler Operation at High Speed, page 9
G.P. Esson and C.A. Patching, Fatigue Life Considerations for Gliders Operated in Australia, page 10
L.M.M. Boermans, Development of a Computer Program for Parametric SailplanePerfomance Optimization, page 17
W. Gorisch, Energy Gain in Pitching Maneuvers, page 37

Dr. Teddy Stedtfeld and Ann Welch, Technical Developments at the World Championships, page 1
J.H. McMasters, R.H. Nordvic, M.L. Henderson, and J.H. Sandvic, Two Airfoil Sections Designed for Low Reynolds Numbers, page 2
J.L. De Jong, Optimal Range Velocity Polar, page 25

K.H. Horstmann and A. Quast, Reduction of Section Drag by Blowing Rows of Holes in Areas of Laminar Separation Bubbles, page 1
G. Sunderland, A Pilot Restraint System for the Moba 2C Glider, page 6
D. Althaus, Drag Measurements on Airfoils, page 9
L.M.M. Boermans and H.J.W. Selen, On the Design of some Airfoils for Sailpane Application, page 13
Wolfram Gorisch, Load Variation Flight Style and its Implications to the Theory of Soaring, page 36
Frank Irving, The Optimum Center of Gravity Position for Minimum Overall Energy Loss, page 43

E. Eugene Larrabee and Susan French, Propeller Design and Analysis for Pedal Driven and other Odd Aircraft, page 49
Frank Irving, Shapes for the Tips of Lightly-Loaded Propeller Blades, page 66
Biulio Romeo, Sailplane Wing Box Design using Graphite/Aramid/Epoxy, page 70
J.C. Riddell, The Design and Development of the Sprite Sailplane, 1969-1980, page 76
D. Althaus, Influencing Transition on Airfoils, page 82
ASW-22, from Flight International, page 94

J.C. Riddell, The Design and Development of Glider Launching Winches, page 95
Evaluation of Sailplane Accidents [Safety], page 103
Kluas Holighaus, Self-Sustaining Engine, page 111
Ch. Kensche, Fatigue Test of a Sailplane Wing in CFRP Construction, page 114

Gary Sunderland, Progress on Home-Built Sailplanes, page 128
Dan M. Somers, NASA Research Related to Sailplane Airfoils, page 136
C.A. Patching, Two-Seater Glider Flight Test Evaluation [Aerodynamics\Flight Tests], page 144
Dr. Jozsef Gedeon, Primary Two-Seater Development Problems, page 155

D.S. Tannhauser, Angles and Forms While Turning on Tow, page 1
G. Stich, Effect of the Fixed Horizontal Tail on Flight Characteristics in Circling, page 3
Frank Irving, How Glider Pilots Get There Faster, page 14
R.A. Streather, Variable Geometry Airfoils as Applied to the Beatty B-5 and B-6 Sailplanes, page 21

K.J. Herr, Comments on Performance and Handling Qualities of Gliders with Variable Geometry (D-40 of Akaflieg Darmstadt) [Performance], page 33
Wojtek Mozdyniewicz, Basic Dolphin Tactics (see comments in volume 8 number 4) [Techniques\Dolphin], page 37
R.S. Scorer, Notes on Cloud Streets as Seen by Satellite [Meteorology\Clouds], page 45
Herbert Pirken, A Proposal for a New Variometer System [Instruments\Variometers], page 53
Justyn Sandauer, A Simple Model of Dynamic Energy Exchange Between a Sailplane and Vertical Air Currents [Performance], page 66
Call for Papers - 4th International Symposium on the Science and Technology of Low Speed and Motorless Flight, page 69

L.M.M. Boermans and D.C. Terleth, Wind Tunnel Tests of Eight Sailplane Wing-Fuselage Combinations [Aerodynamics], page 70
L.M.M. Boermans and B. Oolbekkink, Wind Tunnel Tests on an Outer Wing Segment of the ASW-19X Sailplane [Aerodynamics], page 86
J.L. De Jong, The "Convex-Combination Approach," A Geometric Approach to the Optimization of Sailplane Trajectories, page 98

Udo Drebler, Aerodynamic Design of Winglets for a Standard-Class Glider [Aerodynamics], page 118
Ilan Kroo, Trim Drag, Tail Sizing and Soaring Performance [Aerodynamics], page 127
Einar K. Enevoldsen and Marta R. Bohn-Meyer, Flight Test Measurements of the Longitudinal Stability and Performance of the Canard Sailplane Solitaire [Aerodynamics\Flight Tests], page 138
B. Strojkovic, Computer-Aided Research of Different Ways of Leaving a Thermal [Performance], page 142
W. Gorisch, Letters to the Editor - Basic Dolphin Tactics [Techniques\Dolphin], page 151

Juan R. Cruz, Mark Drela, and John S. Langford, The MIT Monarch and the Kremer World Speed Competition [Sailplanes\MIT Monarch], page 1
J. Gedeon, Some New Developments in Atmospheric Turbulence and Terrain Surface Description [Meteorology], page 7
Wieslaw Stafiej, The Wing Loading Spectrum of a Glider in Aerobatics Maneuvers Measured on a Training Two-Seater SZD-9bis "Bocian" [Construction], page 14
Alex Strojnik, Improving the Constant Chord Wing [Aerodynamics], page 18
D.J. Marsden, Sailplane Performance Flight Testing [Aerodynamics\Flight Tests], page 23
Call for Papers, 19th OSTIV Contress 1985 in Rieti, Italy [OSTIV], page 33

Peter Newgard, Total Energy Errors Due to Air-Data Sampling [Instruments], page 34
A.M.O. Smith, The Possibilities of Sailplanes Designed to Use Laminar Flow Control [Sailplanes\Design], page 39

Paul F. MacCready, Natural and Artificial Flying Machines, page 58
John H. McMasters, A Critique of Two Recent Sailplane Design Contests [Sailplanes\Design], page 64
R. John Hansman, Jr., Performance Degradation of Natural Laminar Flow Airfoils Due to Contamination by Rain or Insects [Aerodynamics], page 73

Alex Strojnik, Design Considerations for a Homebuilt Powered 2 Seat Sailplane, page 78
R.E. Baier, Prospects for Preventing Insect Adhesion to Leading Edges of Aircraft, page 82
M. Sri-Jayantha and Robert F. Stengel, Data acquisition System and Methodology for High Angle of Attack Parameter Estimation, page 85

D. Althaus, Effects on the Polar Due to Changes or Disturbances to the Contour of the Wing Profile
Rudolph Bruzel, The Influence of Acceleration on the Sink Rate of a Sailplane and on the Indication of the Variometer [Instruments\Variometers]

F. Irving, Glider/Tow-Plane upsets
S.O. Ridder and H. Unden, Windex 1200: Design Process and Progress Report

E. Hindman, Ascending Mt. Everest Through Soaring Flight
H.V. Senn, Sailplane Flights through Funnel Clouds [Meteorology\Clouds]
J. Maupin, The Carbon Dragon Foot Launch Sailplane

H.U. Mai, The Effect of Aeroelasticity upon Energy Retrieval of a Sailplane Penetrating a Gust [Aerodynamics]
NASA, Continuous Multi-Element Hot-Film Transition Gage
R. Horten, Lift Distribution on Flying Wing Aircraft [Aerodynamics]

Bruce H. Carmichael, A Significant Increase in Lift to Drag Ration of Airfoils at Low Reynolds Number Through the Use of Multiple Trippers and Low Drag Laminar Flow [Aerodynamics], page 6
Irv Culver, Tailless Flying Wings [Aerodynamics]
Piero Morelli, Glider Towplanes

Werner Pfenninger, All Laminar Sailplanes with Low Drag Boundary Layer Suction [Aerodynamics]

B. Stokovic, Semi Dynamic Thermalling
D. Marsden and R.W. Toogood, Wind Tunnel Tests of a Slotted Flapped Wing Section for Variable Geometry Sailplanes [Aerodynamics]
D.J. Portman, Influence of Evapotranspiration Rates on Development of Thermals
G. Hammond, Introduction of Pilot Decision Making to the Glider Pilot
OSTIV Board, Announcement and Design Competition: OSTIV Competition for Development of a Special Flight Instrument Stall Warning for Sailplanes [OSTIV]
S. Oney, Thermals at Central Anatolia [Meteorology\Convection]
Z. Aslan, Modelling of Thermals [Meteorology\Convection]

L. Boermans and P. van den Borne, Design and Tests of a Flexible Sailwing Airfoil for Lightweight Aircraft [Aerodynamics]
L. Weickmann, Large Scale Analysis of Meteorological Phenomena for the Period of the "First Himalayan Soaring Expedition" [Meteorology]
P. Morelli, Transfer of Sailplane Technology into the Light Aeroplane of the Future
P. Newgard, Collision Potential in Sailplane Competitions

A. Blackman, Canards: The Myths and the Realities [Aerodynamics]
C. Lindemann, Soaring Climatology of Thermal Convection [Meteorology\Convection]
F. Irving, Upsets in Pitch: A Guide to Design Diving Speed [Aerodynamics]
J. McKenney and H. Schurmeier, Barograph With Magnetic Compass Heading Recording [Instruments\Barographs]
R. Danewid, A Simple Approximation of the Best-Speed-To-Fly Theory [Performance]

C.A. Martin and D.J. Pilkington, The Spin Manoeuvre [Aerodynamics\Spins]
Dr. T. Segal, Pilot Safety and Spinal Injury [Safety]
G. Waibel, Nonsense of Winglets [Aerodynamics\Winglets]
T. Hauf and T. Clark, Convective Waves and Cumulus Growth [Meteorology\Convection; Meteorology\Waves]
W. Staffiej, Flight Measured Wing Loading Spectrum in Aerobatics on SZD-51-1 "Junior" Club-Class Glider [Aerodynamics]
W.J. Grace and M.J. Hancy, Microburst at Murray Bridge [Meteorology\Storms]

OSTIV Board, XXI OSTIV Congress [OSTIV], page 3
Francisco L. Galvao, Friction Drag Reduction (and Speculative Essay) [Aerodynamics], page 6
A.G. Williams, Dry Thermal Convection-Data Analysis and Interpretation [Meteorology\Convection], page 11
Douglas J. Sherman, The Bald Hills Downburst: A Thunderstorm Downburst Case Study [Meteorology\Storms], page 19
E. Schobert, Conception and Optimization of Man-Powered Planes-Cyclair [Design\Human-Powered], page 27

OSTIV Board, OSTIV Announcement [OSTIV], page 34
R.G. Parker, Some Aspects of Glider Tow Release Performance [Launching\Release], page 35
Paul A. Schweizer, An International One Design Class and the Olympics [Sailplanes\Design], page 42
A.O. Payne, The Fatigue Sensitivity of Fiberglass Gliders [Construction\Materials], page 45
H. Trimmel, Meteorological Support for Gliding, Hang-gliding and Hot Air Balloon Championships [Meteorology], page 51
Garry Speight, Automatic Adjustment of the MacCready Ring [Performance], page 57
Züreyya Öney and Zafer Aslan, Theoretical Investigations and Measurements of Thermals [Meteorology\Convection], page 59

Detlef Muller, Empirical Investigation of Cloud Streets over Northern Germany by Use of Routine Aerological Data [Meteorology\Clouds], page 66
L.M.M. Boermans and G. Waibel, Aerodynamic Design of the Standard Class Sailplane ASW-24 [Aerodynamics; Sailplanes\Design], page 72
R.H. Johnson, Flight Testing/Performance Improvements Through Wing Profile Correction [Aerodynamics\Flight Tests; Sailplanes\Design], page 84
Nelson E. Funston, The Influence of Design Parameters on Glider Trailer Towing Behavior [Trailers], page 90
Armin Quast, Detection of Transition by Infrared Image Techniques [Aerodynamics], page 96
R.H.E. Henn, Fatal Sailplane Accidents [Safety\Accidents], page 102

Ingo Westerboer, Cross-Country Flying with Hang-Gliders State of Development and Prospects [Hang Gliders], page 106
Frieder Schunon, FS 32-A New Glider Project with Retractable External Airfoil Flap [Design], page 112
Mai Qingmin, Research of Thermal Convection of the Hexi Corridor in Gansu Province of China [International\China; Meteorology\Convection], page 116
Piotr Lamers, Measurements and Recording of Loading Spectrum of Glass-Fiber Sailplane Wing Using the Strain Gauges [Construction\Measurement], page 121
Frank Irving, Boundaries for World Class Sailplanes [Design], page 127
Wojciech Potkanski and Wojciech Chajec, Flutter Analysis During the Design of Sailplanes [Aerodynamics; Sailplanes\Design], page 135

Juan R. Cruz, Weight analysis of the Daedalus human powered aircraft [Human-Powered Flight], page 2
D.J. Marsden, Wind Tunnel Tests of an Ultralight Sailplane Wing Section [Aerodynamics], page 7
Wieslaw Stafiej, Glider Wing Loading Spectrum in Winch-Launching, Ground Run at Aerotowing and in Landing [Construction; Launching\Aerotow; Launching\Winch], page 13
Hans Nietlispach, A Y-aerotow [Launching\Aerotow], page 18
Spencer T. Webb, Richard W. Sheppe, Klaus E. Keim, and David M. Ellis, Automatic Detection of Circling Flight for Sailplanes [Instruments], page 23
Reimar Horten, Flying Wing Geometry [Aerodynamics], page 29

Peer Frank, Human Powered Flight with Velair [Human-Powered Flight], page 35
Anthony M. Segal, Aircraft (Full-Size Glider) Crash-Worthiness Impact Test [Safety], page 40
W. Röger and M. Conradi, Evaluation of Canopy Jettisoning Systems for Sailplanes, page 47
Edward E. Hindman and Emil J. Wick, Air Motions in the Vicinity of Mt. Everest as Deduced from Pilatus Porter Flights [Meteorology\Mountains], page 52
Karl Osen, An Evaluation of Competition Pilots and Gliding Competition Scoring Systems [Competitions\Pilots], page 57

Call for Papers by OSTIV [OSTIV], page 66
W.G. Scull, Flight Safety Objectives and Objective Flight Safety [Safety], page 68
A. Ushakov, V. Paulauskas, and J. Bareisis, Investigation of operational failsafe characteristics of the sailplane LAK-12 "Lietuva" [Sailplanes\LAK-12], page 73
Jiri Forchtgott, Fast and Slow Development of Thunderstorms [Meteorology], page 78
Oran W. Nicks, Experimental Comparisons of Two Wing Tips [Aerodynamics], page 81
Jozsef Gedeon, On the Fine Structure of Atmospheric Turbulence Measurement - Piloting, Fatigue Tests [Meteorology], page 89

Call for Papers by OSTIV [OSTIV], page 98
G. Clark and T.J. van Blaricum, Fatigue of Impact-Damaged Carbon Fibre Composites [Construction], page 100
R. John Hannsman, Edward F. Crawley, and Karl-Peter Kampf, Experimental investigation of the Crash-Worthiness of Scaled Composite Sailplane Fuselages [Construction], page 111
Helmut Schmidt and Ulrich Schumann, Structure of the Convective Boundary Layer Derived from Large-Eddy Simulations [Meteorology\Convection], page 118
C.J. Chapman, Variometer Compensation during Accelerated Flight [Instruments\Variometers], page 124

Call for Papers by OSTIV [OSTIV], page 2
Helmut Albrecht, Pedagogical Aspects in Flight Instruction [Instruction], page 6
Pierro Morelli, Possible Development of Gliding Worldwide [Demographics; Development], page 11
Piotr Lamers, Problems of Electronic Measuring Methods in Test Flights of Gliders [Instruments], page 18
Jorg M. Hacker and Peter Schwerdtfeger, Airborne Meteorological Studies at Flinders University [Meteorology], page 25

Call for Papers by OSTIV [OSTIV], page 34
E. Schöberl, Solar-Powered Aircraft Design [Sailplanes\Design], page 38
Gottfried Sachs, Alexander Knoll, and Klaus Lesch, Optimal Utilization of Wind Energy for Dynamic Soaring, page 48
Zhang Ruying and Ma Lungzhang, China's Sailplanes and Motorgliders - An Overview [Motorgliders; Sailplanes; International\China], page 56
Zhang Ruying, Gliding Activities in China [International\China], page 61

OSTIV Congress Information [OSTIV], page 66
Detlef Pusch and Martin Sperber, Investigation of Glider Safety Belt Behavior Under Accident Condition [Safety], page 68
S. Öney, Z. Aslan, and S. Topçu, Analysis of Heat Flux at Earth Surface in Turkey [Meteorology], page 75
Mai Qing Min, Further Research of Thermal Convection to China for Soaring Flight [Meteorology\Convection], page 79
Fritz Kiessling, On Simplified Analytical Flutter Clearance Procedures for Light Aircraft [Aerodynamics], page 83
Gérard Gillot, Soaring at School: Studies on Assisting and Encouraging French Teachers to Develop Knowledge of Soaring Among Their Pupils [Instruction], page 92

OSTIV Announcement: OSTIV Congress - Uvalde 1991 A Most Successful Event [OSTIV], page 98
C.A. Patching and L.A. Wood, Fatigue Testing of A GFRP Glider [Construction], page 100
G. Waibel, Is It Necessary to Update Landing Gear Requirements? [Construction], page 105
Russell O. Pearson, Do-It-Yourself Soaring Thermal Forecasting [Meteorology], page 110
D.J. Marsden, Winglets For Sailplanes [Design\Aerodynamics], page 119
D. Althaus, Performance Improvement On Tailplanes by Turbulators [Performance\Aerodynamics], page 125

Scott A. Jenkens, Laurence Armi, and Joseph Wasyl, Glide Optimization For Cross Country Wave Flights [Performance\Techniques\Flight; Meteorology\Waves], page 3
Cedric Vernon, Trim Drag [Aerodynamics], page 17
Richard M. Howard, Design of A High-Lift Airfoil for Hang-Glider Applications [Aerodynamics; Sailplanes\Design], page 27

L.M.M. Boermans and F. Bennis, Design and Windtunnel Tests of an Airfoil for the Horizontal Tailplane of a Standard Class Sailplane [Aerodynamics], page 35
Philip J. Moore, Computer Aided Interpretation of Turn Point Photographs [Competitions], page 41
Adam Zientek, Polish Flying Experience With Tailless Gliders [Design], page 48
A.G. Williams and J.M. Hacker, Inside Thermals [Meteorology\Convection], page 57

OSTIV Announcement [OSTIV], page 66
Dan M. Somers and Mark D. Maughmer, The SM701 Airfoil: An Airfoil for World Class Sailplanes [Aerodynamics], page 70
Kevin Finke, Comparison of Classical Speed to Fly Theory Using Second, Third, Fourth, and Fifth Degree Polynomial Speed Polars [Performance], page 78
Paul A. Schweizer, The Potential of Homebuilding From Kits in World Soaring [Development\Homebuilts], page 86
Francisco Leme Galvao, Friction Drag Reduction-II (Materials For) [Construction], page 91

OSTIV Announcement [OSTIV], page 98
F.G. Irving, Speed and Flight Path Boundaries for Winch Launching [Launching\Winch], page 100
Oran Nicks, Gregory Steen, Michael Heffner, and David Bauer, Wind Tunnel Investigation and Analyis of the SM701 Airfoil [Aerodynamics], page 109
Victor Mead Saudek, Calibrating Sailplane Performance Using Ground-Based Datum, A Proposal [Performance], page 116
Gillot and Fatima Hadj-Saad, Physical and Mental Techniques of Recovery: A Survey in French Elite Soaring Pilots [Psychology], page 123

Manfred Reinhardt, Wally Wallington - A life for Meteorology in Airsports [People\Wally Wallington; Meteorology], page 4
Kenneth D. Korkan, Robert C. Griffiths, and Stefan A. Ullenbeg, Verification of the SM701 airfoil aerodynamic characterisitics utilizing theoretical techniques [Aerodynamics], page 8
Frans Van der Kreek, The low sink glider [Design], page 16
D. Althaus and W. Wurz, Wind tunnel tests of the SM701 airfoil and the UAG88-143/20 airfoil [Aerodynamics], page 21

Ruying Zhang, Optimization of Glider Development for Mass Production [Construction], page 34
W. Röger and P. Stabenau, Problems and improvements of canopy jettisoning systems [Safety], page 42
Piero Morelli, Cruising flight of light aircraft and motorgliders [Performance], page 49
D.J. Marsden, Variable geometry sailplanes minisigma [Design], page 56

Piero Morelli, Motorgliders and motorgliding: Present and future [Motorgliders], page 66
R.C. Gibbons, A program to assist in the construction of a stocker handheld final glider calculator [Performance\Speed-to-fly], page 72
Branko Stojkovic, Generalized speed to fly Theory [Performance\Speed-to-fly], page 77
Wieslaw Stafiej, Consequences of increasing water ballast [Performance\Ballast], page 84
Dongbiao Zhao and Xub Qiao, CAD optimization of glider design with program NAI 186 [Aerodynamics; Sailplanes\Design], page 91

William G. Scull, Safety Through Knowledge [Safety], page 98
Michael L. Steinberger, Pitch to Fly as a Soaring Tactic [Performance\Speed-to-Fly], page 101
L. Smrcek, Application of Microcomputer Software to the aerodynamic design of a motor glider [Aerodynamics; Sailplanes\Design], page 107
J.D. McKenney and H.M. Schurmeier, An Integrated Camera Barograph System for Soaring Contests [Competitions\Scoring], page 114
Alberto Folchini, Some Experiences in Ultralight Flight Test [Ultralights\Flight Tests], page 118
Oran W. Nicks, A Physical View of Wing Aerodynamics [Aerodynamics; Sailplanes\Design], page 122

Edward E. Hindman, Soaring Birds of Mt. Everest [Birds], page 2
B. Benech, et. al., Observations of Lee Waves above the Pyrenees French-Spanish "Pyrex" Experiment [Meteorology\Waves], page 7
F.G. Irving, The Choice of Limitations for Winch Launching [Launching\Winch], page 13
Francisco Leme Galvao, Note on Soaring Climatology [Meteorology], page 18
D.G. Marsden, Wind Tunnel Tests of the UAG92 170/SF Slotted Flapped Wing section [Aerodynamics], page 21
Anthony M. Segal, Anthropometry and Glider cockpit design [Physiology; Design], page 27

Manfred Reinhardt, OSTIV Announcement [OSTIV], page 34
Z. Aslan, et. al., Thermic Potential for Soaring at Inonu [Sites\Turkey], page 36
W. Röger, et. al., Glider recovery and pilot rescue systems [Safety], page 40
Ingo Westerboer, Thermals for Everybody [Meteorology\Convection], page 45
Jörg Wagner, On the Identification of the Speed Polar during Normal Soaring Flight [Performance\Speed-to-Fly], page 49
F.J. Ossing, et. al., Remote Sensing and in-situ measurements with a moterglider-based new concept aircraft [Meteorology\Measurements], page 55
Fred Hermanspann, Aerodynamic Efficiency of Gliding Vehicles [Aerodynamics], page 60

Manfred Reinhardt, OSTIV Announcement [OSTIV], page 66
Wojciech Chajec, Critical Flutter Speed of Sailplanes Calculated for High Altitude - Examples of Computation [Aerodynamics], page 69
O. Liechti and B. Neininger, ALPTHERM - A PC Based model for atmospheric convection over complex topography [Meteorology\Convection], page 73
Richard Eppler, What Price Performance? [Performance], page 79
Stevan Maksimovic and Zdravko Gabrijel, Minimum Weight Design of Composite Sailplane Structures [Construction; Design], page 85
Branko Stojkovic, Dynamic Netto Variometer [Instruments\Variometers], page 90

Manfred Reinhardt, OSTIV Announcement [OSTIV], page 98
Wieslaw Stafiej, Stress Comparison for Composite Glider Life Time Estimation [Construction], page 99
T.C.D. Whiteside and L. Smrcek, Wasp Markings for Propellors and Rotor Conspicuity [Safety], page 104
Ruying Zhang, Baokui Shou, and Kuiwen Chen, The Development of Utility Motorgliders in China [Motorgliders], page 107
Andreas Albat and Dietmar Schmerwitz, Investigation of the Speed Reduction Method for the Performance Evaluation of Gliders [Performance], page 110
Walter Stender, Fritz Kiessling, and Joachim P. Kuettner, Possibilities of High Altitude Flutter During Wave Flights [Aerodynamics], page 114
Edward F. Crawley and Michael Schmanske, Optimum ridge Lift a Scaled Experimental Investigation [Techniques\Ridge], page 120

Manfred Reinhardt, OSTIV Announcement [OSTIV], page 2
Edward E. Hindman and Michael A. Engber, Air Motions in the Khumbu Hinal and Possible Soaring Flights [Meteorology\Mountain], page 3
Victor M. Saudek, A Method to find Defects which may Disrupt Laminar Flow [Aerodynamics], page 9
Rober W. Weien and Peter M. Harmer, Incidence of Decompression Sickness in High Altitude Glider Operations [Physiology], page 14
R. Biagi, Trigger point of wind detection [Meteorology\Wind], page 19
Michael A. Rehmet, Development of a self launching solar powered sailplane [Motorgliders], page 23
D. Althaus, An Instrument for Drag Measurement in Flight - Optimization of Flap Settings [Aerodynamics], page 29

L.M. Boermans, Brief Report on the XXIV OSTIV Congress at Omarama, New Zealand, 1995 [OSTIV], page 34
James M. Ritchie, A.O. Payne, and Prof. N. Mileshkin, Fatigue Life Assessment of the IS28B2 Sailplane [Construction; Sailplanes\IS28B2], page 35
Z. Aslan and F. Türksoy, Seasonal Variation Analysis of Some Meteorological Parameters for Soaring [Meteorology], page 41
D.P. Coiro and F. Nicolosi, Design and Optimization of Glider Components [Design], page 45
Martin Sperber, Restraint System in Gliders Under Biomechanical Aspect [Safety; Construction], page 52
Gérard Gillot and Damien Daverme, Sleep and Recovery During a Sustained Training session [Physiology], page 58
Gérard Gillot and Annick Durny, Evaluation of Psychomotor Capacities During a Sustained Training Session [Physiology], page 62

Manfred Reinhardt, OSTIV Announcement [OSTIV], page 66
Christoph W. Kensche, Influence of Composite Fatigue Properties on Lifetime Predictions of Sailplanes [Construction], page 69
Russell O. Pearson, Moisture Effects on Soaring Thermal Forecasts [Meteorology\Convection], page 77
Julian M. West, Anomalous Variometer Readings When Circling in Tilted Thermals [Instruments\Variometers], page 85
Wielaw Stafiej, Simple Criteria for Towing Hook Location [Equipment\Launching], page 92

Manfred Reinhardt, et al., OSTIV Remarks [OSTIV], page 97
Dongbiao Zhao and Xin Qiao, An Engineering Flight Simulator for Light Airplanes [Design], page 101
P. Stabenau and W. Röger, Requirements for Parachutes of Glider Recovery and Pilot Rescue Systems [Parachutes], page 106
Ahmet Tokgözlü and Zafer Aslan, The Statistical Analysis of Mountain Waves Over Southern Anatolia [Sites\Turkey; Meteorology\Waves], page 113
A.M. Segal, I. McKenzie, L. Neil, and M. Rees, Dynamic Testing of Highly Damped Seating Foam [Aerodynamics\Testing], page 116
Tillmann Steckner, Thermals: A Proposal for Their Better Utilization and Detection [Meteorology\Convection], page 122

Manfred Reinhardt, OSTIV Remarks [OSTIV], page 2
K. Natarajan, T. Bitak, and Z. Aslan, Satellite Evaluation of the Impact of Windshear and Water Vapor on Convective Clouds [Meteorology\Convection], page 4
József Gedeon, Instationary Stochastic Modelling of Thermals [Meteorology\Convection], page 11
W. Röger and P. Stabenau, Design Parameters for a Pilot Rescue System [Design; Safety], page 17
M.N. Taylor and L. Smrcek, Wing Glove Test Bed Feasibility Study [Testing], page 23
R.J. Huyssen, C.P. Crosby, and E.H. Mathews, Static Margin Control for Tailless Flight [Aerodynamics], page 28

Manfred Reinhardt, OSTIV Remarks [OSTIV], page 34
Ian Oldaker, Pilot Decision Making - An Alternative to Judgement Training [Psychology], page 36
Ludwig Weickmann, Development of Mountain and Valley Wind Calculations in the Kali Gandaki Valley in the Himalayas During the Winter [Meteorology], page 42
Giorgio Guglieri and Fulvia Quagliotti, Performance Analysis of a Solar Powered Tail Less Motor Glider [Motorgliders], page 47
Julian West, Lee Wave Interference Patterns - Their Explanation and Exploitation for Soaring Flight [Meteorology\Waves], page 54

Manfred Reinhardt, OSTIV Remarks [OSTIV], page 66
Cedric Vernon, Revised OSTIV Ground Loads Standards [OSTIV], page 70
C.P. Crosby, P. Ashman, and H. Terblanche, Full-Scale In-Flight Pressure Measurements on a Winglet Fitted to an AS-W 20 [Aerodynamics], page 74
R.E. Baker, An Investigation Into Performance Enhancement of a Sports-Class Sailplane by Use of Turbulator Tapes [Aerodynamics], page 78
R.J. Huyssen, The Resin Dispenser: A Manufacturing Tool for Composite Materials [Construction], page 82
Dianne McCarthy, Robert Henderson, and Odette Miller, Gliding High: Pleasure or Pain [Psychology], page 84
R. Eppler, Induced Drag and Winglets [Aerodynamics], page 89

Manfred Reinhardt, OSTIV Remarks [OSTIV], page 98
Sridhar V. Rao, Matthew Greenman, Christopher Tunney, and Chad Legace, Design of an Unmanned Vehicle for Launching Sailplanes (Feasibility Study) [Design; Launching], page 102
Z. Aslan, S. Topcu, and S. Oney, Analysis of Surface Temperature Heat and Momentum Fluxes in Ankara [Meteorology], page 107
H.A. Tarode, The Nature of Flight Limitations [Design], page 110
Rudolf Mathar, Stochastic Models of Thermal Convection: An Extended MacCready Theory and a Simulation Tool [Meteorology\Convection], page 113
Bruce H. Carmichael, Designing Toward a One foot Per Second Sinking Speed [Design], page 118
I. Gültepe, Partition of Heat Fluxes and Structures Related to a Jet Stream [Meteorology], page 122

Manfred Reinhardt, OSTIV Remarks [OSTIV], page 2
W.A. O'N. Waugh, Optimizing Figure 8 Soaring for Hill and Wave Lift [Meteorology\Waves; Techniques\Wave; Techniques\Ridge], page 3
L.M.M. Boermans and A. Van Garrel, Design and Windtunnel Test Results of a Flapped Laminar Flow Airfoil for High Performance Sailplane Applications [Aerodynamics], page 11
J. Gedeon, Standards for Sailplane Fatigue Testing Load Programs and Evaluation [Aerodynamics\Testing], page 18
W.G. Scull, The OSTIV Sailplane Development Panel [OSTIV], page 23
Jim Wang, Practical Weather Forecasting of Thermal Soaring Weather [Meteorology\Convection], page 27

Manfred Reinhardt, OSTIV Remarks [OSTIV], page 34
Michael Rehmet and Bernd-Helmut Kröplin, Human Flight with Light [Human-Powered Flight], page 36
Gil Iosilevskii, Center-of-Gravity and Lift Coefficient Limits of a Gliding Parachute: Case Study [Parachutes], page 44
Victor M. Saudek, An Automatic Adjustable Nose Wheel Brake for Sailplanes [Construction], page 52
Day Chahroudi, Low Cost Manufacture of Laminar Wings [Construction], page 55
Dr. Julian West, GPS - The Emperor's New Position? [GPS], page 62

Manfred Reinhardt, Remarks of the President [OSTIV], page 66
Zoran Stefanovic and Dragan Cvetkovic, Minimum Landing Approach Distance for a VUK-T Sailplane [Performance], page 68
Piotr Czarnocki, Tadeusz Wiacek, and Waldemar Wingralek, Effects of Replacement of a Dynamic Crash Test with a Quasi Dynamic One. Test of PW-5 World Class Glider [Aerodynamics], page 72
Tsuneari Nagaoka and Etsuo Morishita, An Inverse Method for the Design of Airfoils [Aerodynamics], page 76
Gary Weir, An Examination of Three Sailplane Configurations [Design], page 82
M. Torres, A Practical Investigation of the Effect of Turbulator Geometry on Tripping Effectiveness for a Wortmann FX-63-137 Airfoil [Aerodynamics], page 90
Robert P. Atkinson, A New Wing Tip with Improved Lift, Drag and Stall Performance [Aerodynamics], page 94

Manfred Reinhardt, President's Remarks [OSTIV], page 98
Matthias Eckardt, Lee Waves Over Europe [Meteorology\Waves], page 99
Giulio Romeo, Design Proposal and Wing Box Manufacturing of a Self-Launching Solar-Powered Sailplane [Design], page 106
Guido de Matteis, A Theoretical Contribution to the Problem of Towplane Upset [Launching\Aerotow], page 116
J. Reneaux, A.M. Rodde, and J.J. Thibert, Airfoil Design for Sailplanes and Ultralight Aircraft [Aerodynamics], page 122

Michael G. Woollard, A Comparative Evaluation of Glider Parachute Rescue System Design Aspects [Parachutes], page 3
C.A. Patching and L.A. Wood, Further Fatigue Testing of a Glass Fiber Reinforced Plastic Glider Wing [Aerodynamics\Testing], page 11
Andreas Lipp, Use of Satellite Navigation for Sailplane Performance Measurements [Performance; GPS], page 17
Z. Aslan and A. Tokgözlü, Instability Indices for Atmospheric Convection [Meteorology\Convection], page 24
Gary Weir, The Optimization of Wing Planforms for Light Sailplanes [Aerodynamics], page 27

Olivier Liechti and Erland Lorenzen, A New Approach to the Climatology of Convective Activity [Meteorology\Convection], page 36
Julian West, Anomalous Variometer Readings in Strongly Tilted Thermals [Instruments\Variometers], page 41
Pekka Koivisto, Sami Hämäläinen, and Urpo Pesonen, Comments on the Development of Airfoils Related to Standard Class Glider Performance [Aerodynamics], page 44
Piero Morelli, Ultra-Light and "Light" Sailplanes [Ultralights], page 47
John H. Cochrane, The Start-Time Game in Competition Soaring [Techniques\Flight], page 56

Pierluigi Duranti, Electrical and Sun Powered Gliders: Do They Require a Definition of New F.A.I. Classes? [FAI], page 66
Piero Morelli, A New Instrument for Fuel Consumption Measurement in Light Aircraft and Motorgliders [Motorgliders; Instruments], page 74
Carsten Lindemann and Jölund Asseng, Geographical Signatures for Thermal Convection Climatology [Meteorology\Convection], page 81
Richard Eppler, Heavily Loaded Glued Joints [Construction], page 87
J.C. Riddell, The Effect of Inertia in the Winch Launch [Launching\Winch], page 91
J.M. Cnossen, Artificial Stall Warning for Sailplanes [Instruments], page 95

L.M.M. Boermans, OSTIV Announcement Call for Papers [OSTIV], page 98
Alberto Folchini, A Little Flight Test Laboratory [Aerodynamics\Flight Tests], page 101
Z. Gabrijel, V. Soronda, and L.J. Vasov, Wind Tunnel Experiments on the Model of Yugoslav "World Class" Glider [Aerodynamics], page 103
Patrick Bénichou and Patrick Santurette, SYNERGIE as a Powerful Integrated Tool for Gliding Meteorology [Meteorology], page 107
Werner Wehry and Lutz Lesch, Nowcasting Meteorological Hazards [Meteorology], page 112
Mark D. Maughmer and Peter J. Kunz, Sailplane Winglet Design [Aerodynamics\Design], page 116
Krzysztof E. Haman, Mesoscale Convergence and Cumulus Convection [Meteorology\Convection], page 124

L.M.M. Boermans, OSTIV Announcement Call for Papers [OSTIV], page 2
Bernard Paiewonsky and Floyd Sweet, The Initial Launch of Technical Soaring Information, page 5
Li Kaihe, A Probe of Soaring a Straight Distance of 2,000 Km [Performance\Cross-Country], page 7
Mauro Darida and Ladislav Smrcek, Numerical Predictions of Ground Effect on NACA 0012 [Aerodynamics], page 10
René Heise, Future Aspects of Meteorological Support for Competition Flights [Meteorology; Competitions\Meteorology], page 13
James E. Murray, The Bungee Mode in Towed Sailplane Flight [Launching\Aerotow], page 17
M. Torres, D.J. Cappelleri, D.S. Anes, M.P. Reiter, and A.P. DeGuilio, Turbulator Geometry Influence on Tripping Effectiveness Based on Low-Speed Wing-Tunnel Data [Aerodynamics], page 23
Paul B. MacCready, Regenerative Battery-Augmented Soaring, page 28

Richard Eppler, An Empirical Criterion for Laminar to Turbulent Bundary Layer Transition [Aerodynamics], page 33
Jorg M. Hacker and Timothy Crawford, The Bat-Probe: The Ultimate Probe to Measure Turbulence from any kind of Aircraft (or Sailplane) [Instruments], page 42
Carsten Lindemann and Jölund Asseng, Thermal Infrared Temperatures and Vertical Heat Flux [Meteorology\Convection], page 46
Edward Hindman, Soaring Weather at the Top of the World [Meteorology], page 51
Gerhard Waibel, Demonstration of Longitudinal Stability and Spinning Qualities During Sailplane Pilot Training [Instruction], page 57
Paoli Ballochi, Mario Beretta, and Gianni Fumagalli, Study of a Single-Blade Propulsion System for Retractable Engine Sailplanes [Motorgliders], page 61

Ernst Schöberl, Possibilities and Requirements for Long Endurance High Flying Solar Powered Platforms [Aerodynamics], page 66
Frank Caron, Glider Accidents in France from 1989 to 1993: The Role of the Pilot [Safety], page 71
Stanislaw Suchodolski, Jacek Wisniewski, and Pawel Zak, Risk Evaluation Through the Glider Stall [Safety], page 76
Tomasz Pancewicz and Tadeusz Szopa, Tree Methods for Risk Evaluation of the Glider Flight [Safety], page 79
Stefan Melber and Wolf Roger, Trajectory of the Parachute Bag During the Deployment Phase [Parachutes], page 84
John H. Cochrane, MacCready Theory with Uncertain Lift and Limited Altitude [Techniques\Flight], page 88

B.F. Seffinga and M.S.G. Wittebrood, Design and Analysis of the Standard Class Tailless Sailplane DUTAG [Aerodynamics], page 98
Fred Hermanspann, Low Speed Testing and Analysis [Aerodynamics\Testing], page 107
Erkii Soinne, Navier-Stokes Computations on a Laminar Airfoil [Aerodynamics], page 111
Wolf Roger, Niels Ludwig, and Manfred Conradi, Glider Ground Impact Tests [Construction; Safety], page 120

Helmut H. Fischer, Weather Conditions in Southern Africa for Long Distance and High Speed Soaring Flights [Meteorology], page 4
Miroslaw Rodzewicz, Ph.D. and Adam Przekop, M.Sc., Experimental Investigation of the Load Spectrum and Fatigue Tests of the PW-5 World Class Glider [Construction], page 15
Piero Morelli, Status and Future of the World Class [Construction], page 21
Gerhard Waibel, What Stature Pilots are Allowed to Fly Sailplanes? [Construction], page 30
W.G. Scull, JAR-22 Study Group [Construction], page 31

D.P. Coiro and F. Nicolosi, Aerodynamics, Dynamics and Performance Prediction of Sailplanes and Light Aircraft [Aerodynamics], page 34
Dipl. Ing. Klauss Plesser, Feasibility Study for the Production of Energy for Boundary Layer Suction in Soaring [Aerodynamics], page 41
Reto Sparr, Oliver Liechti, and Bruno Bruderer, Forecasting Flight Altitudes and Soaring Performance of Migrating Raptors by the Altitudinal Profile of Atmospheric Conditions, page 49
A. Tokgözlü, M. Altunç, C. Lindemann, Z. Aslan, and H. Göymen, Analysis of Atmospheric Boundary Layer and Lake-Land Interaction [Meteorology], page 56

Antony M. Segal, Leslie P. Neil, Graham A. Reece, and Philip G. Murtha, Four and Five Point Glider Seat Harness Static and Dynamic Tests [Safety], page 66
Dr. Michael G. Woollard, Fibrelam Glider Construction [Construction], page 76
Carsten Lindemann, Some Experiments on Lee Waves Near Smaller Mountains [Meteorology\Waves], page 80
Vladimir Danek, Parametric Analysis of the Sailplane Longitudinal Dynamic Stability [Aerodynamics], page 83
Yoshiki Fukada, Speed to Fly with Management of the Risk of Landing Out [Performance], page 88

Richard Eppler and Werner Würz, Design Philosophies for Sailplane Airfoils with Flaps [Aerodynamics], page 98
Andreas Cremer, Design of a Pilot Rescue System for the Glider D-43 [Safety], page 105
Gerhard Waibel and A. Schleicher, Designing a Crashworthy Cockpit Sill [Safety], page 109
Peter Kousal, What Price for Safety? [Safety], page 113
Yoshiki Fukada, Aerodynamic Concept for a Sailplane with a Back-Swept Wing [Aerodynamics], page 118

Erkki Soinne, Validation of Navier-Stokes Computations and a Transition Model [Aerodynamics], page 126
József Gedeon, DSc., Turbulence Scale Parameter and Spectrum Identification [Aerodynamics], page 126
Stefan Gehrmann, Battery-Powered Sailplanes [Construction], page 136
M.J. Hancy, B.A., Soaring Climatology of Gawler and Surroundings. South Australia - A descriptive format. [Meteorology], page 138
Uwe Stüben, M.D., Hearing Damage by Cockpit Noise in Motor Gliders [Physiology], page 144

XXVII. OSTIV Congress 2001 at Mafikeng, South Africa [OSTIV], page 152
Fabio P. Bertolotti, Effect of Atmospheric Turbulence on a Laminar Boundary-Layer [Aerodynamics], page 154
F.G. Irving, The Optimum C.G. Position for a Flapped Sailplane [Aerodynamics], page 160
Wm. C. Feldbaumer, Ph.D., Total Elapsed Time Scoring for Sailplane Races [Competitions\Scoring], page 163
Runald Meyer, Random Walk Source Model and C_f [Techniques\Flight], page 167
D.P. Coirot, F. Nicolosi, and M. Madonna, JdynaSim as a Simulation Tool to Study the Dynamic Behaviour of Sailplanes in Thermals [Aerodynamics], page 173

Dr. Herbert Leykauf and Dr. Ralf Thehos, Forecasting of Lee Waves Over Complex Terrain by Means of a non-hydrostatic Forecast Model [Meteorology\Waves], page 184
P.W. Jordaan and A.S. Jonker, A CAD Interface for the Fast Design of Glider Geometries [Aerodynamics\Design], page 186
M.E. Lattimore, Maximum Energy Legs: Glide Speeds in an Inhomogeneous Airmass [Techniques\Flight], page 190
A.S. Jonker, P.W. Jordaan, J. Bosman, and R.S. Neethling, An Investigation into Navier-Stokes Solutions of the Flow Around Wing-body geometries [Aerodynamics], page 194
Michael Greiner and Akaflieg Stutgart, The Effect of Insect Contamination on Average Cross Country Speed [Performance], page 201

G. Sachs and M. Mayrhofer, Shear Wind Strength Required for Dynamics Soaring at Ridges [Techniques\Ridge], page 209
Olivier Liechti, Handicaps and Polars [Competitions], page 216
Taras Kiceniuk, Dynamic Soaring and Sailplane Energetics [Performance], page 221
Taras Kiceniuk, Calculations on Soaring Sink [Performance], page 228
Taras Kiceniuk, A Variometer for Dynamic Soaring [Instruments\Variometer], page 231

Oliver Liechti, REGTHERM 2001 Convection Model with Local Winds, page 2
Estelle Benitz and Lucian Benitz, Meteorological Data Acquisition and Service Delivery for WGC 2001 in Mafikeng South Africa, page 6
Gerhard Waibel, Basic Criteria for Airworthiness Requirements, page 13
Taras Kiceniuk, Calculating the Benefits of Dynamic Soaring, page 17
Paul N. Chase, The Yaw String Method of Tinkering with Sailplane Wing Design, page 27

Christoph W. Kensche, Proposal for a Certification Procedure of Extended Sailplane Lifetime, page 32
Christoph W. Kensche, Method of Lifetime Prediction for Sailplane Fibre Structures, page 44
Christoph W. Kensche, Lifetime of GFRP in a Shear Web and in the Girder of a Sailplane Wing Spar, page 51
Dipl.-Ing. Gerhard Waibel and A. Schleicher, Safe Life Substantiation for a FRP-Sailplane, page 56

Manfred E. Reinhardt, In Memory of Hans Zacher, page 66
Piero Morelli, OSTIV Definitions of Light and Ultralight Sailplanes. A Proposal to FAI-IGC, page 67
Bruce H. Carmichael, Some Events in Suction Stabilizaiton of the Laminar Boundary Layer or anyone for 100% Laminar Flow?, page 70
Mark D. Maughmer, Timothy S. Swan, and Steven M. Willis, The Design and Testing of a Winglet Airfoil for Low-Speed Aircraft, page 76
S. Meintjes, R.S. Huyssen, and N.J. Theron, The Development of a New Concept for Pilot Protection, page 89

Christoph W. Kensche, Proposal for a Certification Procedure of Extended Sailplane Lifetime [Certification], page 94
Robert Henderson, Exposure to Mild Hypoxia and Implicatons for Decision Making [Physiology], page 106
Edward Hindman, Oliver Liechti, and Peter Lert, Soar Mt. Everest [Sites\Mt. Everest], page 114
S. Dora and J. Gedeon, Conversion from Stochastic to Chaotic Approach in Research and Design [Design], page 124

Bruce Carmichael, Soaring Technology at Tehachapi, page 5
Ed Geller, Hang Glider Stability and Control [Aerodynamics; Hang Gliders], page 8
Erkki Soinne, Five Years of Web-Based Incident Reporting [Safety], page 18
D.P. Coiro, F. Nicolosi, A. De Marco, N. Genito, Dynamic Behavior and Performances Determination of DG400 Sailplane Through Flight Tests [Sailplanes\Glaser-Dirks\DG 400; Aerodynamics\Flight Tests], page 24
J.J. Bosman and A.S. Jonker, Inexpensive CAM Paackiage for the manufacturing of wing molds [Manufacturing], page 33
A.S. Jonker, Control system design using Spreadsheets [Design], page 38
Mark D. Maughmer, The Design of Winglets for High-Performance Sailplanes [Design], page 44

Fred Thomas, 100 Years of Sailplane Design and Beyond, page 61
Mark D. Maughmer, The Evolution of Sailplane Wing Design, page 75
K.H. Horstmann and L.M.M. Boermans, Evolution of Airfoils for Sailplanes, page 87
Dipl.-Ing. Christoph W. Kensche, The Influence of Materials on the Development of Sailplane Design, page 96
Paul Dees, The Rebirth of Hang Gliding and Ultralight Sport Aviation, page 105
Paul Dees, How Glider Helped the Wright Brothers Invent the Airplane, page 115

François Ragot, Best Speed Story [Performance], page 1

Simine Short, Birth of American Soaring Flight: A New Technology, page 1
Rolf Berger and L.M.M. Boermans, Aerodynamic Design of the Wing-Fuselage Junction for the High-Performance Sailplane Mü-31 [Design], page 13
Paul Dees, A New Airfoil Optimized for Light Aircraft Performance [Design], page 24

Olivier Liechti and Erland Lorenzen, Top Task Meteorological Flight Planning for Soaring, page 1
Edward E. Hindman, Ray L. McAnelly, William R. Cotton, Todd Pattist, and Richard M. Worthington, An Unusually High Summertime Wave Flight, page 7
A.G. Williams and J.M. Hacker, Inside Thermals

Vladimir Danek, The L-13SE Motor Glider as a Flying Laboratory, page 4
Martin Dinges, The Total Energy Variometer in the Flowfield of Thermals, page 9
Frank Irving, the optimum Center of Gravity Position for Minimum Overall Energy Loss, page 16
A. Tokgozlu, M. Rasulov, and Z. Aslan, Modeling and Classification of Mountain Waves, page 22

Gotz Bramesfeld, Peter Wierach, Christian Uckert, and Reiner Kickert, A High-Performance Sailplane Airfoil with Variable Upper-Surface Contour, page 36
Wojciech Celestyn Chajec, Critical Flutter Speed of Sailplanes Calculated for High Altitude: Examples of Computation, page 44
Wieslaw Stafiej, Alleviating Capabilities of the Sailplane Structure, page 49
Olivier Liechti and Bruno Neininger, ALPTHERM-A PC-based Model for Atmospheric Convection Over Complex Topography, page 55

P. Anderle, L. Smrcek, and F. Coton, Data Acquisition System and Experimental Set-up for Wind Tunnel Study of 304CZ Sailplane's Winglets, page 68
Ronald A. Mastaler and Nilton O. Renno, The Froude Number as a Predictor of Mountain Lee Wave Phenomenon, page 78
Jozsef Gedeon, Some thoughts on Airworthiness Requirements, page 89

Justyn Sandauer, The History of Polish Sailplane Technology, page 100
Miroslaw Rodzewicz, Thermal Inertia of Composite Glider Wing Structure and the JAR-22 Strength Requirements, page 115
D.A. Konovalov, On the Structure of Thermals, page 121

Editor's comments, page 1
Ronald Blume, Flight Test of Gliders and Powered Gliders, page 2
L.M.M. Boermans, Research on Sailplane Aerodynamics at Delft University of Technology, page 10
Piero Morelli, Development of the Microlift Glider, page 13
W. Röger, Glider Rescue Systems, page 20
Jan Schwochow, Aeroelasticity in Sailplane Design, page 27
Dietrich S. Heimann, A Thermal Activity Forecasting Scheme Suitable for Personal Computers, page 30
R. John Hansman, Jr. and Edward F. Crawley, Experimental Investigation of the Crash-worthiness of Scaled Composite Sailplane Fuselages, page 39
Olivier Liechti and Erland Lorenzen, A New Approach to the Climatology of Convective Activity, page 46
Armin Quast, Detection of Transition by Infrared Image Techniques

Editor's comments, page 52
Beda Sigrist, Use of Topographic Elevation models to Identify Thermal Hotspots in Alpine Areas, page 53
Mark Maughmer, The Design of Winglets for Low-Speed Aircraft, page 61
Lukas Popelka and Milan Matejka, Optimization Criteria and Sailplane Airfoil Design, page 74
Krzysztof Kubrynski, Aerodynamic Design and Cross-country Flight Performance Analysis of Diana-2 Sailplane, page 79

Editor's comments, page 89
Lincoln Stoller, Selection of Off-Field Landing Sites, page 90
Herbert Pirker, On the Philosophy of Sporting Rules: Six Features Reveal Pre-declaring to be a Betting - and not a Sporting - Performance, page 97
Bernt Olofsson and Esbjörn Olsson, Automatic Thermal Forecasts from the Swedish HIRLAM, page 101
Ian Oldaker, The Canadian Safety Management Programme, page 105
Jean-Marie Clément, Sailplane Design and Record Flights, page 112

Editor's comments, page 1
Miroslaw Rodzewicz, Investigation of the Glider Load Spectra, page 2
Gottfried Sachs and Orlando da Costa, Dynamic Soaring in Shear Wind Regions Associated with Jet Streams, page 13
Loek Boermans and Bart Berendsen, Improvement of an Artificial Stall Warning System for Sailplanes, page 19
Florian Hozapfel and Gottfried Sachs, Cost-Effective Flight Simulator Approach for Ultralight Aircraft, Motor Glider and Sailplanes, page 26

Editor's comments, page 35
Peter Lissaman, Fundamentals of Energy Extraction from Natural Winds, page 36
Olivier Liechti, Erland Lorenzen, Ralf Thehos, Bernt Olofsson and Esbjørn Olsson, Verification of Thermal Forecasts with Glider Flight Data, page 42
Peter Lissaman, Wind Energy Extraction by Birds and Flight Vehicles, page 52

Editor's comments, page 61
George Young, Development of Empirical Weather Forecasting Techniques for Soaring Flight, page 62
Edward Hindman, Stephen Saleeby, Olivier Liechti, and William Cotton, A Meteorological System for Planning and Analyzing Soaring Flights in Colorado USA, page 68
Ippe Otani and Mark Maughmer, The Conceptual Design of a Tailless Sailplane Having a Stabilizing Fuselage, page 79
Call for papers, XXIX OSTIV Congress 2008, page 90

Editor's comments, page 92
Call for papers, XXIX OSTIV Congress 2008, page 93
Hugh Browning, Boundaries of Safe Winch Launching, page 95
Trevor Hills, Safety Analysis of the Winch Launch, page 101
Gerhard Waibel, Development of OSTIV Airworthiness Standards traced in OSTIV-Publications, page 107
József Gedeon, A Few Words on Airbrakes, page 110
Milan Matejka and Lukas Popelka, Study of the Influence of Active and Passive Methods for Boundary Layer Control, page 114

Editor's Comments, page ii
Prof. Dr. Loek Boermans, Homage, page 1
Dr. Antony M. Segal, Energy Absorbing Seat Cushions for use in Gliders, page 2
Dr. Antony M. Segal, Jump or Bump, Part 1, page 6
Dr. Antony M. Segal, Jump or Bump, Part 2, page 8
Dr. Antony M. Segal, Jump or Bump, Part 3, page 10
Dr. Antony M. Segal, Aviation Medicine Notes: Note 1. Proposed Emergency Unassisted Escape System, page 13
Dr. Antony M. Segal, Aviation Medicine Notes: Note 2. The Risk of Deep Vein Thrombosis in Glider Pilots, page 14
Dr. Antony M. Segal, Aviation Medicine Notes: Note 3. Resonance Frequency of the Glider Undercarriage, and the Pilot's Body, page 17
Dr. Antony M. Segal, Glider Airbrake Operating Forces, page 21
Dr. Antony M. Segal, Medical Standards for Instructors Aged 65-69 Years, and 70 Years and Over: Note 1. Epidemiology of Coronary Heart Disease - Effect of Age, page 24
Dr. Antony M. Segal, Medical Standards for Instructors Aged 65-69 Years, and 70 Years and Over: Note 2. Social Inequalities in Health, page 25
Dr. Antony M. Segal, Medical Standards for Instructors Aged 65-69 Years, and 70 Years and Over: Note 3. Ageing and Human Performance, page 26
Dr. Antony M. Segal, Medical Standards for Instructors Aged 65-69 Years, and 70 Years and Over: Note 4. Indidence of Coronary Deaths in UK Civilian Gliding, page 26
Dr. Antony M. Segal, Medical Standards for Instructors Aged 65-69 Years, and 70 Years and Over: Note 5. Fatal Gliding Accident in the UK - 1960-1980, page 26
Dr. Antony M. Segal, Medical Standards for Instructors Aged 65-69 Years, and 70 Years and Over: Note 6. Fatal Gliding Accident in Austria, page 26
Dr. Antony M. Segal, Medical Standards for Instructors Aged 65-69 Years, and 70 Years and Over: Note 10. Cardiovascular Risk Assessment in Glider Pilots, page 27
Dr. Antony M. Segal, Medical Standards for Instructors Aged 65-69 Years, and 70 Years and Over: Note 7. Cockpit Deaths in USA Divil Aviation and Age, page 27
Dr. Antony M. Segal, Medical Standards for Instructors Aged 65-69 Years, and 70 Years and Over: Note 8. Cardiovascular Risk Assessment in Commerical Aircrew - "The One Percent Rule", page 27
Dr. Antony M. Segal, Medical Standards for Instructors Aged 65-69 Years, and 70 Years and Over: Note 9. Cardiovascular Risk Assessment in Private Pilots, page 27
Dr. Antony M. Segal, Medical Standards for Instructors Aged 65-69 Years, and 70 Years and Over: Note 11. Classification of Pupils, page 28
Dr. Antony M. Segal, Medical Standards for Instructors Aged 65-69 Years, and 70 Years and Over: Note 12. Class Three (PPL) Medical Dertification Requirements, page 28
Dr. Antony M. Segal, Medical Standards for Instructors Aged 65-69 Years, and 70 Years and Over: Note 13. Probability Theory and Electrocardiography Baye's Theorem, page 28
Dr. Antony M. Segal, Medical Standards for Instructors Aged 65-69 Years, and 70 Years and Over: Note 14. Analysis of Gliding Instructor Flying Statistics; Lasham Gliding Society, October 1994 - September 1995, page 28
Dr. Antony M. Segal, Making Accidents Survivable... with a racing-car cockpit in your glider, page 42
Dr. Antony M. Segal, Suviving Mid-air Accidents, page 46
Dr. Antony M. Segal, Six-point belt on test, page 52
Dr. Antony M. Segal, Drop-testing a two seater, page 55
Dr. Antony M. Segal, Changes to JAR 22 will double the energy-absorbing capacity of the undercarriage, page 61
Dr. Antony M. Segal, Survivable Loads on the Pilot and the Crashworthiness of Glider Cockpits, page 62
Dr. Antony M. Segal, Nosewheel or skid?, page 66
Dr. Antony M. Segal, Rallying round to prepare to find out, page 69
Call for Papers, XXIX OSTIV Congress 2008, page 71

Editor's Comments, page 73
Announcement, OSTIV Congress 6-12 August 2008, page 74
Herbert Priker, Instant Cross-country speed, page 75
Matthieu Scherrer, "Flight Template": A tool for optimizing aerodynamics at the design stage, page 85
Carsten Lindemann, René Heise and Wolf-Dietrich Herold, Lee waves in the Andes Region, Mountain Wave Project at OSTIV, page 93
Christof Maul, Statistical Analysis of Competition Soaring, page 97

Editor's comments, page 107
Rolf Hertenstein and Charles Martin, Observations of Internal Rotor Structure using an Instrumented Sailplane, page 108
Ernst Schoeberl, From Sunrise to Solar Impulse: 34 years of Solar Powered Flight, page 115
Hannes Ross, Fly around the World with a Solar Powered Airplane, page 122
Errata: Volume 32 Numbers 1/2 and 3, page 133

Edward Hindman, Editor's Comments, page 1
Stephan Myschik and Gottfried Saches, Wind Measurement System Using Miniaturized Navigation Sensors for Light Aircraft and Sailplanes, page 2
Juergen Thorbeck, Gliding Research -- An Important Incubator for the Entire Aviation, page 7
József Gedeon, A New Approach to Fatigue Damage Calculation, page 17
Andreas Gäb, Jan Nowack and Wolfgang Alles, Requirements for Servo-boosted Control Elements for Sailplanes, page 21
Adrian Emck and Colin Jackson, An Informal Survey of Flying Comfort of Glider Pilots: Some Observations Concerning Pilot Discomfort Generated by Glider Cockpits, page 28

Editor's comments, page 36
Raluca Niesner and Christof Maul, Comparative Statistical Analysis of Soaring Competitions, page 37
C. Jackson, A. Emck, M. Hunston, P. Jarvis and A. Firmin, A Simple Comparison of the Characteristics of Energy-Absorbing Foams for Use in Safety Cushions in Glider Cockpit Environments, page 47
Lukasz Lindstedt, Miroslaw Rodzewicz, Cezary Rzymkowski and Krzysztof Kedzior, Experimental Study of Impact Phenomena in the case of a Composite Glider, page 54

Editor's comments, page 63
Call for papers, XXX OSTIV Congress 2010, page 64
Miroslaw Rodzewicz and Piotr Sierputowski, The EB-2 Fly-Lab of the Warsaw University of Technology, page 66
Roland Stuff, Non-Viscous Vortex Generation due to Buoyancy, an Example of Application of Compulsive Forces in Fluids, page 72
Christoph Kensche, Arno van Wingerde and Denja Lekou, Fatigue of Composite Scarf Joints in Wind Energy Rotor Blades and in Spar Beams for Light Aircraft, page 81

Editor's comments, page 90
Call for papers, XXX OSTIV Congress 2010, page 91
L. Shabrang, F. Ahmadi Givi and P. Irannejad, The role of blocking in the structure of the Mediterraqnean cyclones which affect Middle-East and Iran, page 93
Chinmay Patel, Hak-Tae Lee and Ilan Kroo, Extracting Energy from Astmospheric Turbulence with Flight Tests, page 100
Jörg Dummann, A Report on Glider Pilot Activites to document Lee wave Events in Northern Germany and their Aims, page 109
A. Tokgozlu and Z. Aslan, Effect of Cloud Cover Variantions, El Niño and the Atlantic Oscillation on Thermal Potential, page 117

Editor's Comments, page 1
Call-for-Papers, XXX OSTIV 2010, page 2
OSTIV Presentations Soaring Society of America Convention 2010, page 2
Paulo Iscold and Ricardo Pinto, Flight Path Optimizationn for Competition Sailplanes through State Variables Parameterization, page 6
Paolo Astori and Vittorio Pajno, Preliminary Study of Energy Absorbing Nose Structures for Pilot Protection in an Emergency Landing, page 15

Editor's Comments, page 25
Call-for-Papers, XXX OSTIV 2010, page 26
Lukas Popelka, Lubor Zeleny, David Simurda and Milan Matejka, Wing-Body Interaction: Numerical simulation, Wind-tunnel and In-flight Testing, page 29
Ludek Smolik, Yaw-Free Multi-Probe for Soaring, page 37
Olivier Liechti, The Best-Speed Diagram for Soaring in Isolated and Aligned Lift, page 40

Editors's Comments, page 66
SOARING 100: The 100th Anniversary of soaring flight, page 67
G. Sachs, J. Lenz, and F. Holzapfel, Range Maximization by Saw-Tooth Mode Optimization for Motor Gliders with Retractable Engines, page 68
Olivier Liechti, Regionalized Predictions of Aligned Updrafts and their Tuning for Planning Soaring Flights, page 75
Mark Maughmer and Zafer Aslan, Summary of Papers presented at the XXX OSTIV Congress 28 July - 4 August 2010, page 86
József Gedeon and Sándor Dóra, State of the Natural Parameter Method for Chaotic Data Analysis and Modeling, page 94
Attila Fövényi, Making Thermal Activity Forecast at the Hungarian Meteorlogical Service, page 103
Natalie Souchkova, Milan Matejka, and Lukas Popelka, Experimental Investigation and Numberical Analysis of Flow Past Airfoils with Spoilers and High Lift Devices, page 110
Rein Hoff, Guy Gratton, and Anthony Gee, Estimating Sailplane Mass Properties, page 118