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Bristol Titan

British five-cylinder radial engine

Field	Value
name	Titan
image	BristolTitan.JPG
caption	The Bristol Titan
engine_type	Piston aero engine
manufacturer	Bristol Aeroplane Company
designer	Roy Fedden
first_run	c.1928
major_applications	Avro 504N
Bristol Primary Trainer
developed_into	Bristol Neptune

Bristol Primary Trainer

The Bristol Titan was a British five-cylinder air-cooled radial engine, designed and built by the Bristol Aeroplane Company in the late 1920s. It had the same size cylinders as the earlier Bristol Mercury engine of 5.75 x (displacing 844 cuin) and produced between 200 -. Later versions of the Bristol Titan also used a Farman-style reduction gear produced by Gnome-Rhône.

Design and development

The engine was designed as a five-cylinder radial, to use as many parts of the Bristol Jupiter as possible. Cylinders, pistons, articulated connecting rods, crankshaft and other minor parts were interchangeable with the Jupiter.

The major significance of the Titan was that it was licensed to Gnome-Rhône and became the pattern for the Gnome-Rhône 5B and 5K. In 1927, Gnome-Rhône was looking for ways out of its licence agreement with Bristol for the Jupiter engine of 1920 and began to produce the Gnome-Rhône 5B and 5K without royalties.

Gnome-Rhône was not satisfied with producing Bristol designs under licence, and started a major design effort based around the mechanics of the Titan engine. The results were introduced in 1927 as the K-series, spanning the 260 hp Gnome-Rhône 5K Titan, the seven-cylinder 370 hp Gnome-Rhône 7K Titan Major, and the nine-cylinder 550 hp Gnome-Rhône 9K Mistral. As a result, Gnome-Rhône ended royalty payments to Bristol, and the Gnome-Rhône 5K were built in much greater numbers than the original Bristol Titan. By 1930 they had delivered 6,000 Jupiters, Mistrals and Titans, making them the largest engine company in France.

Variants

;Titan I:(1928) - 205 hp ;Titan IIF :Modified valve gear. ;Titan II (Special): ;Titan IV:(1928) - 205 hp, 0.5:1 reduction gear from Bristol Jupiter. ;Gnome et Rhône 5B: ;Gnome et Rhône 5Ba: ;Gnome et Rhône 5Bc: ;Gnome et Rhône 5K Titan:Licence-built Titan II, 230 hp ;Gnome et Rhône 7K Titan Major Main article: Gnome-Rhône 7K

:Enlarged seven-cylinder Titan with many detail improvements, produced by Gnome-Rhône without licence.

Applications

Avro 504N
Bristol Primary Trainer
Bristol Type 110A

Specifications (Titan I)

and start a new, fully formatted line with -- |power/weight=0.42 hp/lb (0.7 kW/kg)

References

Notes

Bibliography

Lumsden, Alec. British Piston Engines and their Aircraft. Marlborough, Wiltshire: Airlife Publishing, 2003. .

References

[http://www.flightglobal.com/pdfarchive/view/1928/1928%20-%200630.html Flight International 5 July 1928]
Lumsden 2003, p.102.

Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

aircraft-air-cooled-radial-piston-engines bristol-aircraft-engines 1920s-aircraft-piston-engines

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