Bristol Cherub is a British two-cylinder, air-cooled, aircraft engine designed and built by the Bristol Aeroplane Company. Introduced in 1923 it was a popular engine for ultralight and small aircraft in the 1930s. [1 ]
Variants [ edit ]
Initial direct drive version introduced in 1923. Bore and stroke of 3.35 by 3.8 inches (85 mm × 97 mm) for a displacement of 67 cu in (1.095 L). 32 horsepower (24 kW) at 2,500 rpm.
[2 ] Cherub II
Geared down (2:1) version of the Cherub I.
An improved and slightly larger (1.228 L) direct drive version introduced in 1925.
Applications [ edit ]
Cherub-powered Short Satellite
Survivors [ edit ]
An airworthy Messerschmitt M17 replica is owned and operated by the
EADS Heritage Flight at Manching and is powered by an original Bristol Cherub III. [3 ]
Engines on display [ edit ]
A preserved Bristol Cherub is on static display at the
Shuttleworth Collection, Old Warden, Bedfordshire.
Specifications (Cherub III) [ edit ]
Data from Lumsden. [4 ]
Type: 2-cylinder air-cooled, horizontally opposed, left-hand tractor
Bore: 3.54 in (90 mm)
Stroke: 3.8 in (96.5 mm)
Displacement: 75 in³ (1.228 L)
Width: 25.6 in (650 mm)
Dry weight: 98 lb (39.5 kg)
Overhead valve Valvetrain:
Oil system: Dry sump
Cooling system: Air-cooled
See also [ edit ]
References [ edit ]
Bibliography [ edit ]
The Shuttleworth Collection. London: Wm. Carling & Co, 1969. ISBN 0-901319-01-5 Lumsden, Alec.
British Piston Engines and their Aircraft. Marlborough, Wiltshire: Airlife Publishing, 2003. ISBN 1-85310-294-6.
External links [ edit ]