The Armstrong Siddeley Jaguar was an aero engine developed by Armstrong Siddeley. The jaguar was a petrol-fuelled aircooled 14-cylinder double radial engine design. The Armstrong-Siddeley automobiles (and later aircraft engines) were an English marque manufactured from 1919 (after the company was formed in 1917 by a merger between two Coventry_based companies, Armstrong-Whitworth and Siddeley-Deasy) to 1960. ... Gasoline, as it is known in North America, or petrol, in many Commonwealth countries (sometimes also called motor spirit) is a petroleum-derived liquid mixture consisting primarily of hydrocarbons, used as fuel in internal combustion engines. ...
The Jaguar III was first used in 1923, followed in 1924 by the Jaguar IV and 1926 by the Jaguar VI. This is a list of aviation-related events from 1923: Events January Air Union is created by the merger of Compagnie des Messageries Aériennes (CMA) with Grands Express Aériens (CGEA). ...
The 400 hp Jaguar was used by the Gloster Grebe. ... Developed from a two seat trainer, the Gloster Grouse, Glosters Grebe was the Royal Air Forces first post World War I fighter, entering service in 1923. ...
In 1928, ArmstrongSiddeley acquired the aircraft manufacturer A V Roe Co Ltd and was instrumental in the development and expansion of Self Changing Gears Ltd and High Duty Alloys.
John Siddeley, by now Sir John, had established good relationships with Tom Sopwith of Hawker Aircraft and the decision was made to merge the two companies and form the Hawker Siddeley Group although both constituent companies retained their names.
ArmstrongSiddeley started the Second World War with the manufacture of high powered air-cooled engines but, at the request of the Government, they embarked upon the development and production of axial flow gas turbines for aircraft.
The Jupiter competed with the ArmstrongSiddeleyJaguar through the 1920s, but Bristol put more effort into their design, and by 1929, the Jupiter was clearly superior.
In the 1930s they developed a new line of radials based on the sleeve valve principle, which would develop into some of the most powerful piston engines in the world, and could continue to be sold into the 1960s.
In 1956 the division was renamed Bristol Aero Engines, and then merged with ArmstrongSiddeley in 1958 to form Bristol Siddeley as a counterpart of the airframe-producing company mergers that formed BAC.
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