Following the departure of Frederick Rentschler and colleagues to form Pratt & Whitney, Charles Lawrance, who formerly headed his own company, became president of Wright Aeronautical, and reacted vigorously with a competitor to Pratt & Whitney’s Hornet. An enlarged and improved Wright Cyclone engine, known as the Model R-1750, made its formal appearance and passed a 50-hour service test during 1927, succeeding the Cyclone P-2, and certificated in January 1929. This model was relatively short lived, and was replaced by the more heavily produced R-1820 beginning in 1930.

Aircraft powered by R-1750, GR-1750, G1R-1750, and R-1750E engines included the: Keystone XLB-6, LB-6, LB-9, LB-10, LB-11, LB-11A, B-5A; Thomas-Morse XO-21A; Douglas O-29; General Avia C-14 and C-15.

Display Status

This object is not on display at the National Air and Space Museum. It is either on loan or in storage.

Object Details

Date

1929

Country of Origin

United States of America

Type

PROPULSION-Reciprocating & Rotary

Manufacturer

Wright Aeronautical

Physical Description

Type: Reciprocating, 9 cylinders, radial, air-cooled
Power rating: 391 kW (525 hp) at 1,900 rpm
Displacement: 30.5 L (1,750 cu in.)
Bore and Stroke: 171 mm (6.8 in.) x 152 mm (6.0 in.)
Weight: 345 kg (760 lb)

Dimensions

3-D: 88.9 × 139.7cm, 344.7kg (2 ft. 11 in. × 4 ft. 7 in., 760lb.)

Materials

HAZ MAT: Asbestos
Ferrous Alloy
Aluminum Alloy
Paint
Adhesive Tape
Rubber
Grease
Plastic
Silica Gel
Copper Alloy

Inventory Number

A19660457000

Credit Line

Found in the collection

Data Source

National Air and Space Museum

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