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 203Military version, 203 hp (151 kW).
Cirrus Bombardier 702Civil version, 180 hp (134 kW).
Auster AOP.9Cierva W.14 Skeeter IIIBMiles MessengerData from Lumsden.
Type: Air-cooled, inline inverted four-cylinderBore: 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)Valvetrain: 1 inlet and 1 exhaust valve per cylinderFuel system: Fuel injectedFuel type: 100 octane petrolCooling system: Air-cooledPower output: 203 hp (151 kW) at 2,100 rpmCompression ratio: 7:1Power-to-weight ratio: 0.62 hp/lb (1 kW/kg) 