Union Aero

Union Aero aircraft engine at the New England Air Museum


Type:   6-cylinder, inline, liquid-cooled, piston
Displacement:   691 cu. in.
Weight:   485 lbs.
Power Output:   120 hp @ 1,350 rpm
Year:   1920
NEAM Id:   49
Location:   Military Hangar

This engine is a six-cylinder, inline, liquid-cooled engine which produced 120 hp at 1,350 rpm and was manufactured by the Union Gas engine Company of Oakland, CA. It was adopted by the U.S. Navy to power its “D” class airships. This particular engine was one of two that powered the Navy's D-6 (S/N A5972) which was built by Goodyear in 1920. D-6 was 198 feet long and had a top speed of 56 mph. It was unfortunately destroyed by fire in 1921.

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