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Aeronca E-107 / O-107



The Aeronca E-107 was one of the first low-cost reliable engines of the post-World War I era. A flat-twin aircraft engine designed by Ray Poole and Robert Galloway, the E-107 first ran in 1929.

The E-107A was a production engine designed to replace a Morehouse engine on the first prototype of the Aeronca C-2. The first five were produced without cooling fins on the crankcase. A Winfleld Model 5 carburetor was standard for the engine. The E-107 was replaced by the uprated E-113 engine based on the same design.

The major application for the E-107 was powering the Aeronca C-2.
Number built: 115


Standard production engine

The E-107A was produced for Aeronca by the Govro-Nelson Company of Detroit, Michigan.

Designation given to engines fitted to impressed aircraft


Type: 2-cyl. air-cooled horizontally opposed
Displacement: 107 cubic inches
Dry weight: 114 lb
Power output: 26hp



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