The de Havilland Gipsy Twelve was a British aero engine developed by the de Havilland Engine Company in 1937. Approximately 50 were manufactured. It was known as the Gipsy King in Royal Air Force serv
De Havilland Don
…Gross weight: 6,530 lb (2,962 kg) Powerplant: 1 × de Havilland Gipsy King V-12 inverted air-cooled piston engine, 525 hp (391 kW) Propellers: 2-bladed variable-pitch propeller…
de Havilland Gipsy King on display at the de Havilland Aircraft Museum
de Havilland Gipsy Twelve at the Science Museum (London)