Murray Rotary 6 Engine

This 2-stroke cycle powerplant of 1912 is the earliest American supercharged aeronautical engine still in existence. A vane-type supercharger is located between the crankcase and the accessory section.

Gift of Miss Vera C. Murray.

Physical Description:
Type: Rotary, 6 cylinders, air-cooled, 2-stroke, supercharged
Power rating: 52 kW (70 hp) at 1,200 rpm
Displacement: 6.14 L (374.52 cu in.)
Bore and Stroke: 100 mm (3.94 in.) x 130 mm (5.12 in.)
Weight: 118 kg (260 lb)

Country of Origin
United States of America

Designer
Joseph J. Murray
Manufacturer
Murray-Willat Company

Date
1912

Location
National Air and Space Museum, Washington, DC
Exhibition
Early Flight

Type
PROPULSION-Reciprocating & Rotary

Materials
Metal
Dimensions
3-D: 78.7 × 73.7cm, 117.9kg (31 × 29 in., 260lb.)
Support: 147.3 × 95.3 × 49.5cm (58 in. × 37 1/2 in. × 19 1/2 in.)

This 2-stroke cycle powerplant of 1912 is the earliest American supercharged aeronautical engine still in existence. A vane-type supercharger is located between the crankcase and the accessory section.

Gift of Miss Vera C. Murray.

Physical Description:
Type: Rotary, 6 cylinders, air-cooled, 2-stroke, supercharged
Power rating: 52 kW (70 hp) at 1,200 rpm
Displacement: 6.14 L (374.52 cu in.)
Bore and Stroke: 100 mm (3.94 in.) x 130 mm (5.12 in.)
Weight: 118 kg (260 lb)

Country of Origin
United States of America

Designer
Joseph J. Murray
Manufacturer
Murray-Willat Company

Date
1912

Location
National Air and Space Museum, Washington, DC
Exhibition
Early Flight

Type
PROPULSION-Reciprocating & Rotary

Materials
Metal
Dimensions
3-D: 78.7 × 73.7cm, 117.9kg (31 × 29 in., 260lb.)
Support: 147.3 × 95.3 × 49.5cm (58 in. × 37 1/2 in. × 19 1/2 in.)

ID: A19640634000