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Continental A50/A65

The Engine  Specifications
In 1938, Continental introduced the A50, an improved version of their ground-breaking A40 of 1931.  In early 1939, the A65 introduced refinements that allowed increased horsepower for the same displacement.

The military designation for the A65 was the O-170

4-cylinder, horizontally-opposed, air-cooled piston engine
Displacement: 171 cubic inches (2.8 liters)
Bore x stroke: 3.875 x 3.625 inches
 Models  Used by
A50: 50 hp (37 kW) @ 1,900 rpm
A65: 65 hp (48 kW) @ 2,300 rpm
O-170-3: 65 hp (48 kW) @ 2,300 rpm
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 Related Pages
more about Continental

page updated 23 August 2007



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Kenneth W Shanaberger 2000 - 2010