Illustrated description of single seater powered by 90-hp Pobjoy Niagara; with 8 1/2 gal fuel and pilot on board, gyroplane weighs 900 lb; feature of rotor is new principle of control which reduces pitch as blade flaps up and changes pitch from negative to positive for take-off after blades have been spun by motor. (see also Flight v 31 n 1469 Feb 18 1937 p 160-2; Engineering v 143 n 3724 May 28 1937 p 600-2 supp plate; Nat Advisory Committee Aeronautics -- Aircraft Cir n 205 Apr 1937 5 p 2 supp sheets)
Hafner gyroplane
Aeroplane
Aeroplane ; 52 , n 1343
1937
2 pages
Aufsatz (Zeitschrift)
Englisch
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Engineering Index Backfile | 1937
Engineering Index Backfile | 1937
Engineering Index Backfile | 1938
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