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 203
Military version, 203 hp (151 kW).
Cirrus Bombardier 702
Civil version, 180 hp (134 kW).
Auster AOP.9
Cierva W.14 Skeeter IIIB
Miles Messenger
Data from Lumsden.
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)
Valvetrain: 1 inlet and 1 exhaust valve per cylinder
Fuel system: Fuel injected
Fuel type: 100 octane petrol
Cooling system: Air-cooled
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)
