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The Subsonic Ram-Jet as an Aid to Technical Education
Published online by Cambridge University Press: 04 July 2016
Extract
For some years the author has been interested in subsonic ram-jets as a means of helicopter rotor tip propulsion and has done a considerable amount of experimental work with this end in view. Most of the effort has been concentrated on producing engines to operate at the lower end of the speed range as it was thought that, however simple a ram-jet may be, this advantage is lost when other means of propulsion are needed for starting purposes.
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- Copyright © Royal Aeronautical Society 1960
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