Requirements and variants of Alvis Leonides 23.HM for Bristol 171 helicopter; details of power plant and transmission shown in cutaway drawing and photographs. (See also Flight v 55 n 2094 Feb 10 1949 p 166-70)
Power for helicopters
Aeroplane
Aeroplane ; 76 , n 1966
1949
4 pages
Article (Journal)
English
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