Vickers Type 253
…private ventures (aircraft built with their own money). The Type 253 was in competition with the Handley Page HP.47. Fairey G.4/31, Westland PV.7, Armstrong Whitworth A.W.19, Blackburn B-7, Hawker P.V.4 and the Parnall G.4/31. The Ministry preferred an air-cooled engine, and Vickers' choice was the radial Bristol Pegasus…