Calculations have shown that it is possible to drive rotor by impressed flapping and feathering motions; calculations on this design indicate that blade stresses will be tolerable and yawing control excellent; writer believes that successful one-rotor helicopter with no torque reaction on fuselage can be built following this design.
Design for rotor driven by impressed flapping and feathering
Am Helicopter
American Helicopter ; 15 , n 7
1949
Aufsatz (Zeitschrift)
Englisch
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