Bristol Cherub

From Wikipedia, the free encyclopedia

The Bristol Cherub was 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.

[edit] Variants

Cherub I

Initial version introduced in 1923.

Cherub II

Cherub III

An improved and slightly larger version introduced in 1925.

[edit] Specifications (Cherub II)

General characteristics

• Type: 2-cylinder air-cooled, horizontally opposed, left-hand tractor
• Bore: 3.54 in (90 mm)
• Stroke: 3.7 in (96.5 mm)
• Displacement: 74.9 in³ (1.228 L)
• Dry weight: 98 lb (39.5 kg)

Components

• Oil system: Dry sump
• Cooling system: Air-cooled

Performance

• Power output: 32 hp (24 kW)
• Fuel consumption: 2.5 imp. gallons per hour
• Power-to-weight ratio: 1 hp/2.9 lb

[edit] Applications

• Avia BH-2
• Bristol Brownie
• Bristol Type 91
• Hawker Cygnet
• Messerschmitt M17
• Mignet Pou-du-Ciel
• Parnall Pixie
• Short Satellite
• Supermarine Sparrow
• Westland-Hill Pterodactyl

[edit] See also

• List of aircraft engines

[edit] References

• Guttery, T.E. The Shuttleworth Collection. London: Wm. Carling & Co, 1969. SBN 901319-01-5

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