Discussion of research problems aiming at improvement of helicopter design for flying between 200 to 300 knots; steps in research program carried out by Bell Helicopter Co to investigate high speed capabilities of helicopter within limits of present state of art; effect of wings; effect of auxiliary propulsion; recent rotor developments.
Some recent helicopter development trends
Ingenieur
Ingenieur ; 76 , n 43
1964
Article (Journal)
English
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Engineering Index Backfile | 1944
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