Pratt & Whitney R-1830-S3C3-G

Pratt & Whitney R-1830-S3C3-G Twin Wasp
Pratt & Whitney R-1830-S3C3-G Twin Wasp

Cylinder arrangement: radial fourteen cylinder
Cooling: air
Cylinder bore: 140 mm
Stroke: 140 mm
Displacement: 30.0 l (dm3)
Compression ratio: 6.7 : 1
Timing: OHV (1 intake and 1 exhaust valve for each cylinder head)
Fuel: 100 octane
Carburettor: Stromberg
Supercharging: mechanical compressor
Length: 1 549 mm
Engine diameter: 1 219 mm
Weight: 665 kg
1 100 hp at 2 700 rpm at start
950 hp at 2,700 rpm at h= 4,360 m - maximum power
700 hp at 2,200 rpm - continuous power

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