The Bristol Lucifer was a British three-cylinder, air-cooled, radial engine for aircraft. Built in the UK in the 1920s by the Bristol Aeroplane Company, it produced 100 horsepower (75 kW).

Lucifer
Bristol Lucifer, installed in LFG V 44 D-669
Type	Piston aero engine
Manufacturer	Bristol Aeroplane Company
First run	1919
Major applications	Avro 504

The Lucifer was originally a Cosmos Engineering engine, Cosmos being taken over by Bristol in 1920.

Applications

• Albatros L 69
• Avro 504
• Boulton Paul P.10
• Bristol M.1D
• Bristol Primary Trainer
• Bryant 1927 monoplane (Dole Race entrant, christened Angel of Los Angeles)
• Handley Page Hamlet
• LFG V 44
• NVI F.K.29
• Parnall Peto
• Tupolev ANT-2
• Udet U 8

Specifications (Lucifer 1)

Data from Lumsden[1]

General characteristics

• Type: 3-cylinder air-cooled single-row radial engine
• Bore: 5.75 in (146 mm)
• Stroke: 6.25 in (159 mm)
• Displacement: 487 in³ (8.0 L)
• Diameter: 48 in (1,219 mm)
• Dry weight: 324 lb (147 kg)

Components

• Valvetrain: Four valves per cylinder, poppet valve
• Fuel type: Petrol
• Cooling system: Air-cooled

Performance

• Power output: 100 hp (75 kW)
• Compression ratio: 4.8:1
• Power-to-weight ratio: 0.3 hp/lb (0.5 kW/kg)

See also

Comparable engines

• Blackburne Thrush

Related lists

• List of aircraft engines

References

Wikimedia Commons has media related to Bristol Lucifer.

Notes

Bibliography

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