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The Clerget 7Z was a seven-cylinder rotary 
aircraft engine
An aircraft engine, often referred to as an aero engine, is the power component of an aircraft propulsion system. Most aircraft engines are either piston engines or gas turbines, although a few have been rocket powered and in recent years many ...
of the World War I
World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...
era designed by Pierre Clerget. First appearing in 1911 it was nominally rated at 80 horsepower
Horsepower (hp) is a unit of measurement of power, or the rate at which work is done, usually in reference to the output of engines or motors. There are many different standards and types of horsepower. Two common definitions used today are the ...
(60 kW). 347 examples were jointly built in Britain by Gordon Watney
Gordon may refer to:
People
* Gordon (given name), a masculine given name, including list of persons and fictional characters
* Gordon (surname), the surname
* Gordon (slave), escaped to a Union Army camp during the U.S. Civil War
* Clan Gordon, ...
& Co Ltd of Weybridge
Weybridge () is a town in the Borough of Elmbridge in Surrey, England, around southwest of central London. The settlement is recorded as ''Waigebrugge'' and ''Weibrugge'' in the 7th century and the name derives from a crossing point of the ...
and Gwynnes Limited
Gwynnes Limited was a City of London England engineering business, iron founders and pump makers founded in 1849 to capitalise on the centrifugal pump inventedThe first practical centrifugal pump called the Massachusetts pump was built in the Un ...
of Hammersmith
Hammersmith is a district of West London, England, southwest of Charing Cross. It is the administrative centre of the London Borough of Hammersmith and Fulham, and identified in the London Plan as one of 35 major centres in Greater London.
...
.Lumsden 2003, p. 133.
Applications
*Avro 504
The Avro 504 was a First World War biplane aircraft made by the Avro aircraft company and under licence by others. Production during the war totalled 8,970 and continued for almost 20 years, making it the most-produced aircraft of any kind tha ...
*Beardmore W.B.III
The Beardmore WB.III was a British carrier-based fighter biplane of World War I. It was a development of the Sopwith Pup that William Beardmore and Company, Beardmore was then building under licence, but was specially adapted for shipboard use.
...
*Bristol S.S.A.
The Bristol S.S.A., (Single-Seat Armoured), was an armoured Scout (aircraft), scout built at Bristol in 1914 to fulfill a French government order.
Design and development
At the request of the French government, Henri Coanda designed a single-s ...
* Caudron G.4
*Mosca-Bystritsky MBbis
The Mosca-Bystritsky MBbis was a fighter aircraft developed and used by the Imperial Russian Air Service during the First World War.
Design and development
After being persuaded to move to Russia, the Italian aircraft designer Francesco E. Mosca ...
*Royal Aircraft Factory B.E.8
The Royal Aircraft Factory B.E.8 was a British two-seat single-engined general purpose biplane of the First World War, designed by John Kenworthy at the Royal Aircraft Factory in 1913.Hare 1990, p. 171. Small numbers were used by the Royal Fly ...
a
*Royal Aircraft Factory S.E.2
The Royal Aircraft Factory S.E.2 (Scout Experimental) was an early British single-seat scout aircraft. Designed and built at the Royal Aircraft Factory in 1912–13 as the B.S.1, the prototype was rebuilt several times before serving with the R ...
*Royal Aircraft Factory S.E.4
The Royal Aircraft Factory S.E.4 was a single-engined, single seat biplane designed and built at the Royal Aircraft Factory just prior to the start of the First World War. Intended to be as fast as possible, it recorded a speed of 135 mph ...
*Sopwith Pup
The Sopwith Pup is a British single-seater biplane fighter aircraft built by the Sopwith Aviation Company. It entered service with the Royal Naval Air Service and the Royal Flying Corps in the autumn of 1916. With pleasant flying characteristi ...
*Weymann W-1
The Weymann W-1 was a French single seat biplane fighter aircraft, built during World War I. It had a most unusual layout, with an engine buried in the fuselage driving a pusher configuration propeller behind a cruciform tail. It was not success ...
Specifications (Clerget 7Z)
See also
References
Notes
Bibliography
* * Gunston, Bill. ''World Encyclopaedia of Aero Engines''. Cambridge, England. Patrick Stephens Limited, 1989. * Lumsden, Alec. ''British Piston Engines and their Aircraft''. Marlborough, Wiltshire: Airlife Publishing, 2003. . {{Clerget aeroengines Air-cooled aircraft piston engines 1910s aircraft piston engines 7Z Rotary aircraft piston engines