This engine was manufactured in 1913. It was the last six-cylinder engine manufactured by the Wright Company . The model designation was derived from the number of cylinders and the horsepower.
The engine incorporated a flexible (rubber band) drive on the flywheel which greatly reduced vibration and considerably extended the life of the chain drive that operated the propellers. The Wright 6-70 powered the Wright Model D aircraft in 1913.
Transferred from the Department of the Navy, Bureau of Aeronautics.
Date: circa 1913
Country of Origin: United States of America
Length 104.1 cm (41.0 in.), Width 38.1 cm (15.0 in.), Height 68.6 cm (27.0 in.)
Type: In-line, 6 cylinders, liquid-cooled
Power rating: 52 KW (70 hp) at 1,400 rpm
Displacement: 6.64 L (405 cu in)
Bore and Stroke: 11.113 cm (4.375 in) x 11.430 cm (4.500 in)
Weight (wet): 159 kg (350 lb) (5 lb/hp)
Condition: On stand.