BMW 132
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The BMW 132 was a nine-cylinder radial aircraft engine produced by BMW starting in 1933. The 132 was an improved version of the Pratt & Whitney Hornet engine. The 132 found widespread use in the transport role, remaining the primary powerplant of the Junkers Ju 52 for much of its life.
[edit] Specifications (BMW 132N)
General characteristics
- Type: 9-cylinder supercharged air-cooled radial engine
- Bore: 155.5 mm (6.1 in)
- Stroke: 162 mm (6.4 in)
- Displacement: 27.7 L (1,690 in³)
- Length: 1,256 mm (49.4 in)
- Diameter: 1,372 mm (54.0 in)
- Dry weight: 525 kg (1,157 lb)
Components
- Supercharger: Single-speed with direct fuel injection
- Cooling system: Air-cooled
Performance
- Power output:
- 645 kW (865 hp) at sea level
- 716 kW (960 hp) at 3,000 m (9,850 ft) at 2,450 rpm
- Specific power: 25.8 kW/L (0.57 hp/in³)
- Compression ratio: 6.93:1
- Specific fuel consumption: 0.33 kg/(kW·h) (0.54 lb/(hp·h))
- Power-to-weight ratio: 1.36 kW/kg (0.83 hp/lb)
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