
Lycoming XR-7755
1940s American piston aircraft engine

1940s American piston aircraft engine
The Lycoming XR-7755 was the largest piston aircraft engine ever built in the United States, with 36 cylinders totaling about 7,750 in3 (127 L) of displacement and a power output of 5,000 horsepower (3,700 kilowatts). It was originally intended to be used in the "European bomber" that eventually emerged as the Convair B-36. Only two examples were built before the project was terminated in 1946.
Read on Wikipedia · Image Sanjay Acharya, CC BY-SA 4.0
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