The BMW 117 was a piston aircraft engine developed by BMW in the 1930s. Development work stopped in 1937. The BMW 117 engine was initially known as the BMW XV.

Specifications (BMW 117)

General characteristics

• Type: V-12
• Bore: 155.6 mm (6.13 in)
• Stroke: 158 mm (6.22 in)
• Displacement: 36 L (2,196.85 cu in)
• Length: 1,809 mm (71.22 in)
• Width: 740 mm (29.1 in)
• Height: 985 mm (38.8 in)
• Dry weight: 525 kg (1,157 lb)

Components

• Supercharger: radial supercharger
• Fuel system: injection
• Cooling system: Liquid cooled

Performance

• Power output: 905 hp (675 kW) at 2320 rpm
• Compression ratio: 6.5:1