De Havilland Gipsy Major

The de Havilland Gipsy Major was a 4-cylinder, air-cooled, inline engine used in a variety of light aircraft in the 1930s including the famous Tiger Moth biplane. Based on the Gipsy engine, the Gipsy Major used an "inverted" configuration with the cyclinders pointing downwards. This allowed the propeller shaft to positioned high without having the cylinders obscure the pilot's forward view over the nose of the aircraft. One disadvantage of the inverted configuration was that the engine continually leaked oil and so would need regular refills. First built in 1932, total production of all Gipsy Major versions was 14,615 units.

Specifications

• Power: 130 to 145 hp (97 to 108 kW)
• Weight: 305 lb (138 kg)
• rpm: 2350
• Displacement: 374 in³ (6.1 L)

Aircraft

• De Havilland Tiger Moth
• Miles Magister
• Miles Whitney Straight
• Saab 91 Safir

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