Advantages of helicopters powered by ramjets at their rotor tips; development of ramjet helicopter by McDonnell Aircraft Corp and tests of Air Force's XH-20, called Little Henry.
Present day use of helicopters
Soc Automotive Engrs -- J
Society of Automotive Engineers -- Journal ; 59 , n 8
1951
Aufsatz (Zeitschrift)
Englisch
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Helicopters -- Present and future
Engineering Index Backfile | 1951
|Engineering Index Backfile | 1946
|Helicopters -- Present and future
Engineering Index Backfile | 1951
|Helicopters -- Present and future
Engineering Index Backfile | 1951
|“PRESENT DAY USE OF HELICOPTERS”
SAE Technical Papers | 1950
|