The BMW 117 was a piston
aircraft engine
An aircraft engine, often referred to as an aero engine, is the power component of an aircraft propulsion system. Most aircraft engines are either piston engines or gas turbines, although a few have been rocket powered and in recent years many ...
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)
See also
References
Bibliography
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BMW aircraft engines
1930s aircraft piston engines