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  • Packard V-1650 Merlin

    The V-1650 liquid-cooled engine was the U.S. version of the famous British Rolls-Royce Merlin engine, which powered the Spitfire and Hurricane fighters during the Battle of Britain in 1940. In September 1940 the Packard Co. agreed to build the Merlin engine for both the American and the British

  • Wright R-3350-23 Duplex-Cyclone

    The Wright R-3350 Duplex-Cyclone was one of the most powerful radial aircraft engines produced by the United States. Based on the earlier Wright Cyclone engines, the R-3350 first ran in May 1937, and its first major military use was to power the Boeing B-29.Air-cooled with eighteen cylinders

  • Pratt & Whitney R-2800

    This type of engine was used in the Republic P-47, rated at 2,000 hp for take-off. Many contractors built engines under license during World War II. This engine was built by Ford Motor Co., Dearborn, Mich., in 1943.Click here to return to the World War II Gallery.

  • Wright R-2600-13

    (Excerpted from North American Aviation Field Service Manual for B-25C and D)The Wright Cyclone, Model C14B, carries the Army Air Forces designation R-2600-13. The "R" stands for radial type of engine, "2600" stands for the number of cubic inches piston displacement, and the "13" is the model

  • Wright R-2600 Cyclone 14

    The R-2600 series engine was introduced in 1939, initially rated at 1,500 hp. With improvements, it later reached a rating of 1,800 hp. In military use, it was used on Army Air Forces A-20s and B-25s as well as some Navy torpedo and patrol bombers. It also gained fame powering the well-known Boeing

  • Pratt & Whitney R-985

    The R-985 air-cooled engine was first used by the Army Air Corps in 1932. At that time, it was rated at 300 horsepower. Over the next ten years, further refinements were made, and during World War II some variants produced up to 450 horsepower. The R-985 powered thousands of military aircraft of

  • Junkers Jumo 004 Turbojet

    The Jumo 004 powered the world's first operational jet fighter, the Messerschmitt Me 262. The engine's development began in 1937, but large-scale production did not begin until late 1944. By the time Germany surrendered in May 1945, more than 5,000 engines had been produced.The Jumo 004 was first

  • Walter HWK 509B-1 Rocket

    This liquid-fueled rocket engine is an advanced version of the engine that powered the German Me 163B Komet. It is equipped with an extra combustion chamber to extend the aircraft's range and endurance. The main engine and auxiliary chamber were used together for takeoff and climb. To conserve fuel,

  • Walter HWK 509A Rocket

    The HWK 509A rocket engine was developed was developed to power the German Me 163 Komet fighter-interceptor, one of the most unique distinctive aircraft of World War II. The motor used two fuels -- hydrazine hydrate in methanol, plus concentrated hydrogen peroxide -- that ignited violently when

  • Yokosuka MXY7-K1 Ohka

    Late in World War II, the Dai-ichi Kaigun Koku Gijitsusho (1st Naval Air Technical Arsenal) at Yokosuka, Japan, designed the MXY7-K1 to teach less experienced pilots to fly the Model 11 "Ohka" (Cherry Blossom) kamikaze suicide rocket bomb. The Ohka was carried to the target under a G4M "Betty"