Apparatus has two propellers about 21 ft. in diameter, rotating in opposite directions. Horsepower of engine is 25. In experiments helicopter was raised vertically up to height of 10 ft.
A series of flight effected with helicopter on the 15 28 and 29 of Jan 1921
Une serie de vols en helicoptere libre monteeffectues les 15, 28 et 29 janvier 1921
1921
3 pages
Aufsatz (Zeitschrift)
Französisch
© Metadata Copyright Elsevier B. V. All rights reserved.
Flight tests performed with Oehmichen helicopter in January 1921
Engineering Index Backfile | 1921
Experience of first. Aid effected by helicopter in head injured patients
British Library Conference Proceedings | 1993
|AERO-EFFECTED FLIGHT CONTROL USING DISTRIBUTED ACTIVE BLEED
British Library Conference Proceedings | 2011
|