Investigations being carried out by National Advisory Committee for Aeronautics; aim of study is to assist in formulation of handling qualities standards appropriate for tandem rotor machines; secondary aim is to obtain scientific information which might be used by designers to improve flying qualities of any tandem helicopter.
Flying qualities of tandem-rotor helicopters
Aero Digest
Aero Digest ; 66 , n 5
1953
2 pages
Article (Journal)
English
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