Jacobs (Pratt & Whitney Wasp Jr.) R-985-AN5, Radial 9 Engine
Type: Reciprocating, 9 cylinders, radial, air cooled
Power rating: 336 kW (450 hp) at 2,300 rpm
Displacement: 16.1 L (985 cu in.)
Bore and Stroke: 132 mm (5.2 in.) x 132 mm (5.2 in.)
Weight: 310.3 kg (684 lb)
Created by
Dane Penland
Date Created
10/01/2014
Source
Smithsonian National Air and Space Museum, NASM Original Photography, NASM Acc. 2012-0026.
Keywords
Aviation; Engines; Piston; Propulsion; World War II
Rights and Restrictions
CC0 For more information, visit the Smithsonian’s Terms of Use.