Vol. 16 (1981)

View Vol. 16 (1981)

Published: 2018-01-26

Cover

Cover

Edward (Ward) Hindman
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Contents

Edward (Ward) Hindman
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Comments

Introduction

OSTIV OSTIV
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Address by President 'Deutscher Aero Club'

Georg Bruetting
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Address by President 'Commission Internationale du Vol a Voile (CIVV)'

Bill Ivans
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Address by Director of World Gliding Championship 1981, Paderborn

Fred Weinholtz
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Keynote address: Aspects of future development in sailplane design

Fred Thomas
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OSTIV Plaque 1981 with Klemperer Award to P. MacCready

OSTIV OSTIV
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OSTIV-Prize 1981 to Akademische Fliegergruppe Braunschweig

OSTIV OSTIV
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OSTIV diploma awarded to F. Irving

OSTIV OSTIV
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OSTIV diploma awarded to J. Hacker

OSTIV OSTIV
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Special reference for technical paper of L. Boermans and H. Selen

OSTIV OSTIV
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The new honorary member of OSTIV, J. Kuettner

OSTIV OSTIV
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New chairman of the OSTIV Scientific Section, C. Wallington

OSTIV OSTIV
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Articles

Das gedampfte hohenleitwerk im kreisflug

G. Stich
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Profilwiderstand-verringerung durch ausblasen

K. Horstmann, A. Quast
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On the design of some airfoils for sailplane application

L. Boermans, H. Selen
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Shapes for the tips of lightly-loaded propeller blades

Frank Irving
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Propeller design and analysis for pedal driven and other odd aircraft

E. Larrabee, S. French
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Drag measurements on airfoils

D. Althaus
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Influencing transition on airfoils

D. Althaus
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Type certification test results utilized to improve the design concept

W. Stafiej
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Two-seater glider flight test evaluation

C. Patching
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Primary two-seater development problems

Jozsef Gedeon
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The design and development of the Sprite sailplane 1969-1980

J. Riddell
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Progress in home-built sailplanes

Gary Sunderland
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Some ideas about gliders with variable geometry concerning performance and handling qualities

Klaus-Jurgen Heer
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Die ermittlung von lastkollektiven fur die bemessung von segelflugzeugen

H. Kossira, W. Reinke
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Zweck und funktion des lastkollektiv-sammlers

Beat Brunner
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A proposal for a new variometer system

Herbert Pirker
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Sailplane wing box design by use of graphite/aramide/epoxy material

Giulio Romeo
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Fatique test of a sailplane wing in CFRP construction

Ch. Kensche
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The design and development of glider launching winches

J. Riddell
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A pilot restraint system for sailplanes

G. Sunderland
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Evaluation of sailplane accidents

B. Zborolski
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Basic Dolphin tactics

Wojtek Mozdyniewicz
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The 'convex-combination approach', a geometric approach to the optimization of sailplane trajectories

J. de Jonge
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The optimum center of gravity position for minimum overall energy loss

Frank Irving
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A simple model of dynamic energy exchange between a sailplane and vertical air currents

Justyn Sandauer
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Optimal Dolphin-style soaring

E. Dickmanns
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Load variation flight style and its implications to the theory of soaring

Wolfram Gorisch
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Airflow characteristics in the vicinity of an obstructing mountain ridge in complex terrain

G. Wooldridge
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Temperatur und feuchtestruktur der freien atmosphare und ihr tagesgang uber einem einseitig geschlossenen ochgebirgstal ausmotorseglermessungen wahrend DISKUS

M. Reinhardt, H. Willeke
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Preliminary results of the alpine experiment DISKUS

Joerg Hacker
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Fallstudie eines sud und eines nord Fohens uber den Alpen

Reinhold Steinacher
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Observations of waves in a wide range of conditions

T. Bradbury
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Waves, billows and wakes as revealed by satellite

R. Scorer
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Three-dimensional numerical simulations of airflow over a heated mountain

Terry Clark
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Modeling anabatic flow

P. Manins
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Parameters of thermal convection as measured by a powered glider

Carsten Lindemann
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Thermal characteristics of different types of soil

Carsten Lindemann
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Notes on cloud streets as seen by satellite

R. Scorer
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An extensive wave system above a convective layer

J. Firth
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The effects of thermals and wind on the distribution of atmospheric pollutions

Sergio Capdevilla, Maria Tiraboschi
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Vereinfachtes schema zur optimierung von tagsaufgaben bei segelflugwettbewerben

M. Kreipl, H. Degner
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Beta-receptor-blocking and fitness for flying, especially for glider-pilots in competition

Jochen Marpmann
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Glider pilot workload: cardiopulmonary regulation and energy expenderature

J. Beier, D. Jeschke
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