Experimental helicopter built by C. SEIBEL; control obtained by moving center of gravity with respect to lift vector during flight; this is accomplished by moving forward portion of fuselage either forward, backward or from side to side at pilot's will; this makes possible simpler rotor assembly; model uses 65-hp Franklin engine at 2200 rpm; gross weight 800 lb; top speed 90 mph.
Movable cabin controls helicopter
Aviation Week
Aviation Week ; 47 , n 18
1947
Article (Journal)
English
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