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Encyclopedia > Bristol Engine Company

The Bristol Aeroplane Company (formerly British and Colonial Aeroplane Company) began building primitive Bristol Boxkites in a former tram shed and became famous for the production of the war-time Blenhein and Beaufighter, the Brabazon airliner prototypes, the Britannia and Freighter and the Belvedere and Sycamore helicopters. A stainless steel test aeroplane, the model T188, was also constructed in their factory next to Filton aerodrome to the north of Bristol city centre. In 1959 Bristol was forced to merge with English Electric, Hunting and Vickers-Armstrongs to form the British Aircraft Corporation (BAC), later to become part of British Aerospace - now BAE SYSTEMS.

UK Ministry of Defence Bristol Britannia makes a visit to the maker's factory at Filton (Bristol, England) in 1983. As a civil airliner it had flown for BOAC, British Eagle and Air Spain.
The Bristol Type 192 Belvedere twin_blade helicopter. The Belvedere was a twin rotor helicopter designed to meet a requirement by the Royal Air Force for a general purpose land_based helicopter. Twenty six were built.

The Bristol Engine Company was originally a separate entity, Cosmos Engineering, in turn formed from the pre_WW1 automobile company, Brazil-Straker. In 1917 Cosmos was asked to investigate air-cooled radial engines, producing the Bristol Mercury, a 14 cylinder two_row (helical) radial, which they launched in 1918. This engine saw little use, but a smaller and simpler 9 cylinder version known as the Bristol Jupiter was clearly a winning design. In the post_war rapid downsizing of military orders the company went bankrupt, and the Air Ministry let it be known that it would be a good idea if Bristol purchased them. The Jupiter competed with the Armstrong Siddeley Jaguar 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 1950s. In 1956 the division was renamed Bristol Aero Engines, and then merged with Armstrong Siddeley in 1958 to form Bristol Siddeley as a part of the airframe mergers that formed BAC. In 1966 Bristol Siddeley merged with Rolls-Royce, leaving only one major aero-engine company in England, Rolls-Royce.

In 1946, with the surplus capacity after WW2, the company started an offshoot, Bristol Cars, using pre-war BMW designs as the basis for a new car, the Bristol 400. The car company became independent in 1960, around the same time as the consolidation the British aircraft industry, but is still based at the Filton site.


Bristol Aeroplanes

Bristol Aeroplane designs include:

WWI types:

inter-war and WWII types:

post-war types:


Bristol Engines

Bristol Engine designs include:

original series:

sleeve-valve series:

turbine-based types:

Bristol Missiles

Bristol Engine designs include:

External links

  • The Bristol Aeroplane Company (http://www.bristol-aeroplane.com/) (the founder's family's website)
  • Bristol Aircraft and Engines (http://www.1903to2003.gov/essay/Aerospace/Bristol/Aero50.htm)
  • Bristol Aircraft Engines (http://www.stobbe.dk/industrial-products/technical-literature/combustion-engines/bristol/Bristol-aircraft.htm)

List of Aircraft | Aircraft Manufacturers | Aircraft Engines | Aircraft Engine Manufacturers

Airlines | Air Forces | Aircraft Weapons | Missiles | Timeline of aviation

  Results from FactBites:
Bristol Aero Collection (1338 words)
Bristol started building aero engines on the Filton site around 1920, but the line can be traced back to the Brazil-Staker motorcar manufacturer, who built Rolls-Royce engines under licence during World War I. The company was taken over by Cosmos Engineering, who built the Mercury and the Jupiter radial engines.
The Bristol Pegasus is a 9 Cylinder Poppet-valve radial air-cooled engine.
A scaled-down version of the engine, the Bristol Siddeley Gyron Junior, was used on the Bristol 188 stainless steel research aircraft, which was designed to investigate the effect of supersonic speeds on airframe structure.
Bristol Taurus - Wikipedia, the free encyclopedia (392 words)
Bristol had originally intended to use the Aquila and Perseus as two of its major designs in the 1930s, but the rapid increase in size and speed of aircraft in the 1930s demanded much larger engines than either of these.
Unlike the earlier engines, where the sleeve valve was a new and untried design, the Taurus was fairly well understood and was delivered running at almost the same power it ended with, at 1,015 hp (760 kW).
The first Taurus engines were delivered just before World War II opened, and found some use primarily in Bristol's own Beaufort torpedo bomber.
  More results at FactBites »



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