Blackburn Cirrus Bombardier
The Blackburn Cirrus Bombardier was a British four-cylinder inline aircraft engine, developed and built by the Blackburn Aircraft company in the mid-1950s. The engine featured fuel injection.
| Cirrus Bombardier | |
|---|---|
 | |
| Blackburn Bombardier 702 on display at the Rolls-Royce Heritage Trust, Derby | |
| Type | Air-cooled 4-cylinder inline piston engine |
| National origin | United Kingdom |
| Manufacturer | Blackburn Aircraft |
| First run | c.1954 |
Variants
- Cirrus Bombardier 203
- Military version, 203 hp (151 kW).
- Cirrus Bombardier 702
- Civil version, 180 hp (134 kW).
- Cirrus Bombardier 704
- Helicopter engine
Applications
- Auster AOP.9
- Cierva W.14 Skeeter IIIB
- Miles Messenger
Specifications (Cirrus Bombardier 203)
Data from Lumsden.[1]
General characteristics
- Type: Air-cooled, inline inverted four-cylinder
- Bore: 4.8 in (122 mm)
- Stroke: 5.5 in (140 mm)
- Displacement: 398 cu in (6.5 L)
- Length: 45.3 in (1,151 mm)
- Width: 19 in (483 mm)
- Height: 30.95 in (786 mm)
- Dry weight: 325 lb (147.4 kg)
Components
- Valvetrain: 1 inlet and 1 exhaust valve per cylinder
- Fuel system: Fuel injected
- Fuel type: 100 octane petrol
- Cooling system: Air-cooled
Performance
- Power output: 203 hp (151 kW) at 2,100 rpm
- Compression ratio: 7:1
- Power-to-weight ratio: 0.62 hp/lb (1 kW/kg)
See also
Related development
Comparable engines
- Alfa Romeo 110
- de Havilland Gipsy Major
- Hirth HM 504
- Menasco C4
Related lists
References
Notes
- Lumsden 2003, p.91.
Bibliography
- Oldengine.org
- Gunston, Bill (1986). World Encyclopedia of Aero Engines. Wellingborough: Patrick Stephens. p. 40.
- Lumsden, Alec. British Piston Engines and their Aircraft. Marlborough, Wiltshire: Airlife Publishing, 2003. ISBN 1-85310-294-6.
External links
- "Cirrus Bombardier" a 1948 Flight article
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