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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]
| 7Z | |
|---|---|
| Type | Rotary engine |
| National origin | France |
| Manufacturer | Clerget-Blin |
| First run | 1911 |
| Major applications | Avro 504 |
| Number built | 347 (British production) |
Applications
- Avro 504
- Beardmore W.B.III
- Bristol S.S.A.
- Caudron G.4
- Mosca-Bystritsky MBbis
- Royal Aircraft Factory B.E.8a
- Royal Aircraft Factory S.E.2
- Royal Aircraft Factory S.E.4
- Sopwith Pup
- Weymann W-1
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
- Power output: 70.84 kW (95 hp) at 1,300 rpm (maximum power)
- Specific power: 0.1314 hp/cu in (5.98 kW/L)
- Compression ratio: 4.3:1
- Specific fuel consumption: 0.564 L/kW/hour(0.74 pt/hp/hour)
- Oil consumption: 0.0762 L/kW/hour (0.1 pt/hp/hour)
- Power-to-weight ratio: 0.67 kW/kg (0.406 hp/lb)
See also
Comparable engines
Related lists
References
Notes
- 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.
На других языках
- [en] Clerget 7Z
[it] Clerget 7Z
Il Clerget 7Z era un motore aeronautico rotativo a sette cilindri disposti su una singola stella, raffreddato ad aria, sviluppato dall'azienda francese Clerget-Blin negli anni dieci del XX secolo.Текст в блоке "Читать" взят с сайта "Википедия" и доступен по лицензии Creative Commons Attribution-ShareAlike; в отдельных случаях могут действовать дополнительные условия.
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