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Clerget 11Eb

 

The Clerget 11Eb was an 11-cylinder rotary aircraft engine of the World War I era designed by Pierre Clerget. Powering Sopwith types it was nominally rated at 200 horsepower (150 kW). First run in 1918, the unit cost was £1,663.

 

Applications:
Sopwith Bulldog
Sopwith Hippo
Sopwith Salamander

 

Specifications:

Clerget 11Eb
Type: 11-cylinder air-cooled rotary engine
Bore: 120 mm (4.72 in)
Stroke: 190 mm (7.48 in)
Displacement: 21.49 l (1,311.40 cu in)
Dry weight: 232 kg (511 lb)
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
Power output: 160.33 kW (215 hp) at 1,300 rpm (maximum power)
Specific power: 0.1639 hp/cu in (7.46 kW/l)
Compression ratio: 5.1:1
Specific fuel consumption: 0.518 l/kW/hour (0.68pt/hp/hour)
Oil consumption: 0.0838 l/kW/hour (0.11 pt/hp/hour)
Power-to-weight ratio: 0.694 kW/kg (0.421 hp/lb)

 

 


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