Author considers that traveling crane helicopter is likely to come into use sooner than faster passenger carrying types because need for lateral cyclic pitch control in rotor blades is not great at relatively low horizontal flying speed of such machine; this means that interim type, with freely flapping blades and rotor shaft inclination giving no vibration at 20 mph might be built; this type would be subject to technical revision as and when vibration problems attendant upon forward speed are solved.
Pioneering by helicopter
Aeroplane
Aeroplane ; 67 , n 1752
1944
2 pages
Aufsatz (Zeitschrift)
Englisch
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Engineering Index Backfile | 1945
SLUB | 1945
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