// Workers AI · dad joke modeWhat did RAF 2 say to RAF 1? "You're number two to me.

For the wrestling event, see RAF 02.

RAF 2
Type	Piston radial aero engine
Manufacturer	Royal Aircraft Factory
First run	October 1913
Major applications	Royal Aircraft Factory B.E.8

The RAF 2 was a British air-cooled, nine-cylinder radial engine developed for aircraft use just prior to World War I; it was designed and built by the Royal Aircraft Factory.

Applications

• Royal Aircraft Factory B.E.8

Specifications (RAF 2)

Data from Lumsden

General characteristics

• Type: 9-cylinder, single-row, radial engine
• Bore: 3.94 in (100 mm)
• Stroke: 5.51 in (140 mm)
• Displacement: 604.6 cu in (9.9 L)

Components

• Valvetrain: Poppet valve
• Cooling system: Air-cooled
• Reduction gear: 0.563:1, geared epicyclic, right-hand tractor

Performance

• Power output: 120 hp (90 kW)
• Specific power: 0.2 hp/cu in (9.2 kW/L)

See also

Related lists

• List of aircraft engines

References

Bibliography

• 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.