Clerget 7Z
      
The Clerget 7Z was a seven-cylinder rotary aircraft engine of the World War I era designed by Pierre Clerget. First appearing in 1911 it was nominally rated at 80 horsepower (60 kW). 347 examples were jointly built in Britain by Gordon Watney & Co Ltd of Weybridge and Gwynnes Limited of Hammersmith.[1]
Applications
Specifications (Clerget 7Z)
Data from Lumsden and Gunston.[1][2][3]
General characteristics
- Type: Seven-cylinder air-cooled rotary engine
 
- Bore: 120 mm (4.72 in)
 
- Stroke: 150 mm (5.91 in)
 
- Displacement: 11.88 l (724.96 cu in)
 
- Diameter: 914 mm (35.98 in)
 
- Dry weight: 106 kg (234 lb)
 
Components
- Valvetrain: 1 each overhead inlet and exhaust valves operated by pushrods and rockers
 
- Fuel system: Bloctube carburettor
 
- Fuel type: Gasoline with Castor oil lubricant
 
- Oil system: Castor oil mixed with fuel
 
- Cooling system: Air-cooled
 
Performance
See also
- Comparable engines
 
- Related lists
 
References
Notes
- 1 2  Lumsden 2003, p. 133.
 - ↑  Gunston 1989, p, 41.
 - ↑  Grey, C.G. (1969). Jane's All the World's Aircraft 1919 (Facsimile ed.). David & Charles (Publishing) Limited. pp. 1b to 145b. ISBN 978-0-7153-4647-1. 
 
 
Bibliography
- Grey, C.G. (1969). Jane's All the World's Aircraft 1919 (Facsimile ed.). David & Charles (Publishing) Limited. pp. 1b to 145b. ISBN 978-0-7153-4647-1. 
 
-  Gunston, Bill. World Encyclopaedia of Aero Engines. Cambridge, England. Patrick Stephens Limited, 1989. ISBN 1-85260-163-9
 
-  Lumsden, Alec. British Piston Engines and their Aircraft. Marlborough, Wiltshire: Airlife Publishing, 2003. ISBN 1-85310-294-6.
 
 
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