Realistic views are given by two pioneers in rotary wing aircraft development in America; warning is given that such craft won't be available at low prices immediately after war, for too many engineering problems still remain to be solved.
What is helicopter's true commercial future?
Aviation
Aviation ; 42 , n 12 ; p 116-117 + 328 + 331-332 + 335
1943
Aufsatz (Zeitschrift)
Englisch
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