Investigation conducted in 17-ft test section of Langley 300-mph tunnel covered transition speed range from hovering to normal flaps retracted flight; effects of flap deflection, thrust coefficient, aileron deflection, rudder deflection, and ground proximity.
Lateral stability and control characteristics of four-propeller deflected-slipstream V.T.O.L. model including effects of ground proximity
NASA -- Tech Note
1961
70 pages
Article (Journal)
English
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