With turbojet engine development in its infancy, Soviet designers turned their attention to liquid-propellant rocket motors for the faster fighters they wished to build. Aleksandr Bereznyak and Aleksey Isayev produced the BI, a small wooden low-wing aircraft with a two-chamber rocket motor running on kerosene and nitric acid which made its first powered flight on 15 May 1942. Less well known designs by Polikarpov, Florov and Mikoyan are also covered, as are details of the testing of captured Me 163 fighters. 257 b/w photos, 54 drawings, 128 pages. Softback
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