The company was formed in 1908 as a partnership between H. P. Martin and George Handasyde and known as Martin and Handasyde. In 1912 they renamed the company Martinsyde Ltd. It went into liquidation in 1923.
During its existence the company, based in Woking and Brooklands, produced subcontracted aircraft and its own designs.
Martinsyde-Newman motorcycles were produced by Martin and Handasyde from 1919 to 1923.
|Monoplane||Pre-1914||Two-seater trainer monoplane. Powered by 65 hp Antoinette engine|
|G100 and G102 "Elephant"||1915||Fighter / Bomber. Single seater biplane powered by 120 hp Beardmore for the G100 and the 160 hp Beardmore for the G102. 270 produced.|
|Hawk Trainer||Two-seat low wing trainer. Powered by 130 hp Gypsy major engine.|
|F4 Buzzard||1918||Fighter. The Martinsyde F4 Buzzard was developed as a powerful and fast biplane fighter for the Royal Air Force, but the end of the WW1 led to the abandonment of large-scale production. 333 aircraft were eventually produced, with many exported. Of particular note was the Buzzard's high speed, being one of the very fastest aircraft developed during WWI. Powered by a Hispano-Suiza engine|
|Magister||1933||Development of Hawk Trainer. 1,300 aircraft built.|
|Master||1938||Two-seater low-wing monoplane advanced trainer. Powered by 715 hp Rolls-Royce Kestrel XXX engines|
|Mentor||1938||Low-wing monoplane with enclosed cabin. Powered by 200 hp Gypsy Six engine. 45 aircraft built.|
|Nighthawk||Two / three-seater training and communication. Similar to Mentor.|
A number of surplus Buzzard airframe were later built up with a new engine, the radial Armstrong Siddeley Jaguar, by the Aircraft Disposal Company and sold as the "Martinsyde ADC.1" in 1924. A development of the F.4 was also made by the ADC, two "ADC Nimbus" produced as prototypes.
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