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The Green Engine Co of Berners Street, London, maker of an early British engine.
The company was founded as Green's Motor Patents Syndicate by Gustavus Green in London to produce engines of his design during the first decade of the 20th century. Actual manufacturing was carried out at the Aster Engineering Co. The firm produced a range of water-cooled, in-line engines up to about 1915. Green engines powered many pioneering British aircraft, including those by Alliott Verdon-Roe of Avro, Cody and the Short Brothers
Made smaller engines for motorcycles in the 1910s
1909 Produced a 35 hp motor-boat engine
1910 Adapted and fitted to an Avro aircraft
1911 The Green's Motor Patents Syndicate became Green Engine Co
1911 The Green Engine, made by Aster Engineering Co won the Alexander Award, a prize for a lightweight engine suitable for aviation.
1913 August: details of the 100-hp aero engine.
1919 Won the efficiency prize in the Aerial Derby
1920 Shown at the International Aero Exhibition at Olympia.
Gustavus and his son, Charles, were involved with the Regal-Green make, who fitted their water-cooled engine up to the war, keeping the ohv and 499cc capacity.
1921 The Green motorcycle appeared once more in the form of a 3.5hp water-cooled machine in its pre-war form. This was probably for stock clearance purposes.