2-place aircraft employing intermeshing 2-rotor 2-blade system; gross weight 2202 lb; rotor diam 39.35 ft; tests made under auspices of Air Technical Intelligence, Air Materiel Command (Tech Report ATI n 20283), to determine its stability, power requirements, control response, couple response between rudder and aileron and difference betwen straight and butterfly stabilizer.
Evaluation and tests of flettner-282 German helicopter
Am Helicopter
American Helicopter ; 16 , n 10
1949
2 pages
Aufsatz (Zeitschrift)
Englisch
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Flettner helicopter FL 282 "Kolibri"
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