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| | [[image:Im19391207FL-BristolAeroEng.jpg |thumb| Dec 1939.]] |
| | [[image:Im19440630Aero-Bristol.jpg |thumb| June 1944]] |
| | [[image:Im19440810FL-BristolEng.jpg |thumb| August 1944.]] |
| | [[image:Im19441116FL-BristolSleeve.jpg |thumb| November 1944.]] |
| | [[image:Im19441116FL-BristolAero.jpg |thumb| November 1944.]] |
| The Bristol Engine Company manufactured aeroengines. | | The Bristol Engine Company manufactured aeroengines. |
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| == General ==
| | The company was originally a separate entity called [[Cosmos Engineering]] which had been formed from the pre-First World War automobile company, [[Brazil, Straker and Co]]. |
| The company was originally a separate entity called [[Cosmos Engineering]] which in turn formed from the pre-First World War automobile company, [[Brazil-Straker]]. | |
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| * In 1917 Cosmos was asked to investigate air-cooled radial engines, producing what would become the [[Bristol Engine Co: Mercury|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 Engine Co: Jupiter|Bristol Jupiter]] was clearly a winning design.
| | 1917 Cosmos was asked to investigate air-cooled radial engines, producing what would become the [[Bristol Engine Co: Mercury|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 Engine Co: Jupiter|Bristol Jupiter]] was clearly a winning design. |
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| * With the post-war rapid contraction of military orders Cosmos Engineering went bankrupt, and the Air Ministry let it be known that it would be a good idea if the [[Bristol Aeroplane Co]] purchased them.
| | With the post-war rapid contraction of military orders Cosmos Engineering went bankrupt, and the Air Ministry let it be known that it would be a good idea if the [[Bristol Aeroplane Co]] purchased them. |
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| * The Jupiter competed with the [[Armstrong Siddeley Engines: Jaguar|Armstrong Siddeley Jaguar]] through the 1920s, but Bristol put more effort into their design, and by 1929, the Jupiter was clearly superior.
| | The [[Bristol Engine Co: Jupiter|Jupiter]] engine competed with the [[Armstrong Siddeley Motors: Jaguar| Armstrong Siddeley Jaguar]] throughout the 1920s, but Bristol put more effort into their design, and by 1929, the Jupiter was clearly superior. |
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| * 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.
| | 1930s 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 continued to be sold into the 1960s. |
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| * In 1956 the division was renamed '''Bristol Aero Engines'''
| | Post-WWII Developed gas turbines, beginning with the [[Bristol Proteus|Proteus]] |
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| * 1958 It then merged with [[Armstrong Siddeley]] to form [[Bristol Siddeley]] as a counterpart of the airframe-producing company mergers that formed BAC.
| | 1948 The [[Bristol Theseus|Theseus]] turbo-prop was introduced |
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| * In 1966 Bristol Siddeley was purchased by [[Rolls-Royce]], leaving the latter as the only major aero-engine company in Britain.
| | 1950 The [[Rolls-Royce Engines: Olympus|Olympus]] two-spool turbojet was first tested. |
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| * Rolls-Royce continues to produce aircraft engines as Rolls-Royce plc. A number of Bristol Siddeley engines of Bristol heritage continued to be developed by Rolls-Royce; notably the Olympus turbojet and the Pegasus. The classical names favoured by Bristol indicated their heritage in a Rolls-Royce lineup named after British Rivers
| | 1956 The division was renamed [[Bristol Aero-Engines]] |
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| == List of Models ==
| | '''List of Models |
| {|class="toccolours plainlinks" align="center" border=1 width="100%" style="padding:0;"
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| |align="center" bgcolor=#7EC0EE colspan=4| '''Bristol Engine Company Engines'''
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| |- | | ''piston engines:'' |
| |align=left valign=top width=10% bgcolor=#F0F0F0| '''Name''' | | * [[Bristol Engine Co: Aquila|Aquila]] (1934-) |
| |align=left valign=top width=10% bgcolor=#F0F0F0| '''Dates produced''' | | * [[Bristol Engine Co: Centaurus|Centaurus]] (1942) |
| |align=left valign=top width=10% align=right bgcolor=#F0F0F0| '''Number Produced''' | | * [[Bristol Engine Co: Cherub|Cherub]] |
| |align=left valign=top width=65% bgcolor=#F0F0F0| '''Detail''' | | * [[Bristol Engine Co: Draco|Draco]] |
| | * [[Bristol Engine Co: Hercules|Hercules]] (1939-) |
| | * [[Bristol Engine Co: Hydra|Hydra]] |
| | * [[Bristol Engine Co: Jupiter|Jupiter]] (1918-30) |
| | * [[Bristol Engine Co: Lucifer|Lucifer]] (1920s) |
| | * [[Bristol Engine Co: Mercury|Mercury]] (1930-40s) |
| | * [[Bristol Engine Co: Pegasus|Pegasus]] (1930-40s) |
| | * [[Bristol Engine Co: Perseus|Perseus]] (1932) |
| | * [[Bristol Engine Co: Phoenix|Phoenix]] (1928-32) |
| | * [[Bristol Engine Co: Taurus|Taurus]] (1936- ) |
| | * [[Bristol Engine Co: Titan|Titan]] (1927) |
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| | ''turbine-based engines:'' |
| |bgcolor=#F0F0F0 valign=top| [[Bristol Engine Co - Engines: Aquila|Aquila]] | | *[[Bristol Theseus|Theseus]] turboprop with heat exchanger |
| |bgcolor=#F0F0F0 valign=top| 1934-
| | *[[Bristol Proteus|Proteus]] two-shaft turboprop |
| |bgcolor=#F0F0F0 valign=top align=right| - | | *[[Rolls-Royce Engines: Olympus|Olympus]] two-spool turbojet |
| |bgcolor=#F0F0F0 valign=top| The Aquila was a 9-cylinder one-row radial aircraft engine produced by the [[Bristol Engine Co]] starting in 1934. It saw little use, as its power range was already covered by existing designs. Its primary use was to supply mechanicals to a 14-cylinder version, the Taurus. . . . [[Bristol Engine Co - Engines: Aquila|More Information]]
| | *[[Bristol Orpheus|Orpheus]] single spool turbojet |
| | *[[Bristol Engine Co: Orion|Orion]] two-shaft turboprop |
| | *[[Rolls-Royce Engines: Pegasus|Pegasus]] two-spool vectored thrust turbofan |
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| | ''ramjet types:'' |
| |bgcolor=#F0F0F0 valign=top| [[Bristol Engine Co - Engines: Centaurus|Centaurus]]
| | *[[Bristol BRJ.801|BRJ.801]] |
| |bgcolor=#F0F0F0 valign=top| 1942
| | *[[Bristol Thor|Thor]] |
| |bgcolor=#F0F0F0 valign=top align=right| -
| | *[[Bristol Odin|Odin]] |
| |bgcolor=#F0F0F0 valign=top| The Centaurus was the final development of [[Bristol Engine Co]]'s series of sleeve valve radial aircraft engines, an 18-cylinder two-row design that eventually delivered over 3,000 hp (2.2 MW). . . . [[Bristol Engine Co - Engines: Centaurus|More Information]]
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| |bgcolor=#F0F0F0 valign=top| Cherub
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| |bgcolor=#F0F0F0 valign=top| -
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| |bgcolor=#F0F0F0 valign=top align=right| -
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| |bgcolor=#F0F0F0 valign=top| -
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| |bgcolor=#F0F0F0 valign=top| [[Bristol Engine Co - Engines: Draco|Draco]]
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| |bgcolor=#F0F0F0 valign=top| -
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| |bgcolor=#F0F0F0 valign=top align=right|
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| |bgcolor=#F0F0F0 valign=top| The Bristol Draco was an air-cooled 9-cylinder radial engine. It was essentially a version of their Jupiter engine converted to use a fuel injection system. . . . [[Bristol Engine Co - Engines: Draco|More Information]]
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| |bgcolor=#F0F0F0 valign=top| [[Bristol Engine Co - Engines: Hercules|Hercules]]
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| |bgcolor=#F0F0F0 valign=top| 1939-
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| |bgcolor=#F0F0F0 valign=top align=right| 57,400
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| |bgcolor=#F0F0F0 valign=top| The Bristol Hercules was a 14-cylinder two-row radial aircraft engine designed by Sir Roy Fedden and production started in 1939. It was the first of their sleeve valve designs to see widespread use, powering many aircraft in mid-World War II. . . . [[Bristol Engine Co - Engines: Hercules|More Information]]
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| |bgcolor=#F0F0F0 valign=top| [[Bristol Engine Co - Engines: Hydra|Hydra]]
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| |bgcolor=#F0F0F0 valign=top| -
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| |bgcolor=#F0F0F0 valign=top align=right| 2
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| |bgcolor=#F0F0F0 valign=top| The Hydra was an experimental 16-cylinder, twin row radial aircraft engine. It is a relatively rare example of a radial with an even number of cylinders. . . . [[Bristol Engine Co - Engines: Hydra|More Information]]
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| |bgcolor=#F0F0F0 valign=top| [[Bristol Engine Co - Engines: Jupiter|Jupiter]]
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| |bgcolor=#F0F0F0 valign=top| 1918-30
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| |bgcolor=#F0F0F0 valign=top align=right|
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| |bgcolor=#F0F0F0 valign=top| The Bristol Jupiter was a British 9-cylinder one-row piston radial engine built by [[Bristol Engine Co]]. Originally designed late in World War I, a lengthy series of upgrades and developments turned it into one of the finest engines of its era. It was widely used on many aircraft designs though the 1920s and 30s. . . . [[Bristol Engine Co - Engines: Jupiter|More Information]] | |
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| |bgcolor=#F0F0F0 valign=top| [[Bristol Engine Co - Engines: Lucifer|Lucifer]]
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| |bgcolor=#F0F0F0 valign=top| 1920s
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| |bgcolor=#F0F0F0 valign=top align=right|
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| |bgcolor=#F0F0F0 valign=top| The Bristol Lucifer was a three-cylinder, air-cooled, radial engine for aircraft built in the UK in the 1920s. It produced 100 hp (75 kW). . . . [[Bristol Engine Co - Engines: Lucifer|More Information]]
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| |bgcolor=#F0F0F0 valign=top| [[Bristol Engine Co - Engines: Mercury|Mercury]]
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| |bgcolor=#F0F0F0 valign=top| 1930-40s
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| |bgcolor=#F0F0F0 valign=top align=right| -
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| |bgcolor=#F0F0F0 valign=top| The Bristol Mercury was a 9-cylinder one-row piston radial engine used on British aircraft in the 1930s and 1940s. . . . [[Bristol Engine Co - Engines: Mercury|More Information]]
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| |bgcolor=#F0F0F0 valign=top| [[Bristol Engine Co - Engines: Pegasus|Pegasus]]
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| |bgcolor=#F0F0F0 valign=top| 1930-40s
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| |bgcolor=#F0F0F0 valign=top align=right|
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| |bgcolor=#F0F0F0 valign=top| The Bristol Pegasus was a 9-cylinder one-row air-cooled radial engine used in the 1930s and 1940s aircraft. Bristol chose to reuse the name many years later for the engine used in the [[Hawker Siddeley]] Harrier; that engine later became known as the [[Rolls-Royce Engines: Pegasus|Rolls-Royce Pegasus]]. . . . [[Bristol Engine Co - Engines: Pegasus|More Information]]
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| |bgcolor=#F0F0F0 valign=top| [[Bristol Engine Co - Engines: Perseus|Perseus]]
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| |bgcolor=#F0F0F0 valign=top| 1932
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| |bgcolor=#F0F0F0 valign=top align=right|
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| |bgcolor=#F0F0F0 valign=top| The Perseus was a nine cylinder one-row radial aircraft engine produced by the Bristol Engine Company starting in 1932. . . . [[Bristol Engine Co - Engines: Perseus|More Information]]
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| |bgcolor=#F0F0F0 valign=top| [[Bristol Engine Co - Engines: Phoenix|Phoenix]]
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| |bgcolor=#F0F0F0 valign=top| 1928-32
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| |bgcolor=#F0F0F0 valign=top align=right| Few
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| |bgcolor=#F0F0F0 valign=top| The Phoenix was a version Pegasus engine, adapted to run on the Diesel cycle. . . . [[Bristol Engine Co - Engines: Phoenix|More Information]]
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| |bgcolor=#F0F0F0 valign=top| [[Bristol Engine Co - Engines: Taurus|Taurus]]
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| |bgcolor=#F0F0F0 valign=top| 1936-
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| |bgcolor=#F0F0F0 valign=top align=right|
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| |bgcolor=#F0F0F0 valign=top| The Taurus was a 14-cylinder two-row radial aircraft engine. It was developed by adding cylinders to the existing Aquila design, creating a design that produced just over 1,000 horsepower (750 kW) with very low weight. . . . [[Bristol Engine Co - Engines: Taurus|Taurus]]
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| |bgcolor=#F0F0F0 valign=top| [[Bristol Engine Co - Engines: Titan|Titan]]
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| |bgcolor=#F0F0F0 valign=top| 1927
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| |bgcolor=#F0F0F0 valign=top align=right| -
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| |bgcolor=#F0F0F0 valign=top| The Bristol Titan was a five cylinder air cooled radial engine. It had the same size cylinders as the earlier Bristol Mercury engine, 5.75 in x 6.5 in and produced between 200-240hp. . . . [[Bristol Engine Co - Engines: Titan|More Information]]
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| |colspan=4 align=center bgcolor=#7EC0EE|'''Bristol Engine Company Engines'''
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| |}
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| ==See Also== | | ==See Also== |
| | <what-links-here/> |
| | ==Sources of Information== |
| | <references/> |
| | * [http://en.wikipedia.org/wiki/Bristol_Aeroplane_Company] Wikipedia |
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| ==Sources of Information==
| | [[Category: Town - Bristol]] |
| [http://en.wikipedia.org/wiki/Bristol_Aeroplane_Company] Wikipedia | | [[Category: Internal Combustion Engines]] |
| | [[Category: Gas Turbines]] |
| | [[Category: Aircraft Engines]] |
