History of development ranging from earliest pioneering work to era of autogiros and development of single-rotor-helicopters; rotary wing progress in 1960 and development of Lockheed rigid-rotor concept which is described; principle of operation and advantages of concept offering higher speed capability.
Development of helicopter
Lockheed Horizons
Lockheed Horizons Spring ; n 1
1965
23 pages
Article (Journal)
English
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