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The Pitcairn-Brewer Model F engine was developed in Philadelphia, Pennsylvania, during 1927 and 1928. This engine was designed by Captain Robert W. A. Brewer and sponsored by Harold F. Pitcairn. The objective was an engine that was more reliable and lighter than existing engines, specifically, a replacement for the Curtiss OX-5 that could power Pitcairn Aircraft, Inc. and other aircraft as well. The Pitcairn-Brewer engine was tested by the U.S. Navy Aeronautical Engine Laboratory and was flight tested on a Pitcairn PA-4 Fleetwing II.
While the engine was successful technically, Pitcairn could not find a manufacturer willing to produce it. The Wright Whirlwind J-5 engine was being marketed at the same time, and the Pitcairn-Brewer engine could not compete with it. This is the last remaining engine of three built.
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
Circa 1927-1928
Country of Origin
United States of America
Type
PROPULSION-Reciprocating & Rotary
Manufacturer
Pitcairn-Brewer Physical Description
Type: Reciprocating, 9 cylinders, radial, air cooled
Power rating: 112 kW (150 hp) at 1,800 rpm
Displacement: 10.5 L (638 cu in.)
Bore and Stroke: 108 mm (4.25 in.) x 127 mm (5.00 in.)
Weight: 206 kg (455 lb)
Dimensions
Overall (On stand): 305.7kg (674lb.)
Approximate: 120.65 x 121.92 x 91.44cm (3ft 11 1/2in. x 4ft x 3ft)
Overall: 455lb. (206.4kg) Materials
Aluminum, Steel, Paint, Plastic, Wood Inventory Number
A19910032000
Credit Line
Gift of Gerald Saxton
Data Source
National Air and Space Museum
Restrictions & Rights
Open Access (CCO)
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