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  2. Radial engine - Wikipedia

    en.wikipedia.org/wiki/Radial_engine

    Radial engine. The radial engine is a reciprocating type internal combustion engine configuration in which the cylinders "radiate" outward from a central crankcase like the spokes of a wheel. It resembles a stylized star when viewed from the front, and is called a "star engine" in some other languages. The radial configuration was commonly used ...

  3. Bristol Hercules - Wikipedia

    en.wikipedia.org/wiki/Bristol_Hercules

    Bristol Centaurus. The Bristol Hercules is a 14-cylinder two-row radial aircraft engine designed by Sir Roy Fedden and produced by the Bristol Engine Company starting in 1939. It was the most numerous of their single sleeve valve (Burt-McCollum, or Argyll, type) designs, powering many aircraft in the mid- World War II timeframe.

  4. Pratt & Whitney Wasp series - Wikipedia

    en.wikipedia.org/wiki/Pratt_&_Whitney_Wasp_series

    Pratt & Whitney. The Pratt & Whitney Wasp was the civilian name of a family of air-cooled radial piston engines developed in the 1920s, 1930s and 1940s. [1] The Pratt & Whitney Aircraft Company (P&W) was founded in 1925 by Frederick B. Rentschler, who had previously been the President of Wright Aeronautical. He brought with him some of Wright's ...

  5. Pratt & Whitney R-1830 Twin Wasp - Wikipedia

    en.wikipedia.org/wiki/Pratt_&_Whitney_R-1830_Twin...

    The Pratt & Whitney R-1830 Twin Wasp is an American air-cooled radial aircraft engine. It displaces 1,830 cu in (30.0 L) and its bore and stroke are both 5.5 in (140 mm). The design traces its history to 1929 experiments at Pratt & Whitney on twin-row designs. Production began in 1932 and it was widely used during the 1930s.

  6. Pratt & Whitney R-2800 Double Wasp - Wikipedia

    en.wikipedia.org/wiki/Pratt_&_Whitney_R-2800...

    1939-1960. Number built. More than 125,334. The Pratt & Whitney R-2800 Double Wasp is an American twin-row, 18-cylinder, air-cooled radial aircraft engine with a displacement of 2,800 cu in (46 L), and is part of the long-lived Wasp family of engines. The R-2800 saw widespread use in many important American aircraft during and after World War ...

  7. Pratt & Whitney R-4360 Wasp Major - Wikipedia

    en.wikipedia.org/wiki/Pratt_&_Whitney_R-4360_Wasp...

    Pratt & Whitney R-2180-E Twin Wasp E. The Pratt & Whitney R-4360 Wasp Major is an American 28-cylinder four-row radial piston aircraft engine designed and built during World War II. At 4,362.5 cu in (71.5 L), it is the largest-displacement aviation piston engine to be mass-produced in the United States, and at 4,300 hp (3,200 kW) the most ...

  8. Wright R-2600 Twin Cyclone - Wikipedia

    en.wikipedia.org/wiki/Wright_R-2600_Twin_Cyclone

    Douglas A-20 Havoc. Grumman TBF Avenger. Martin PBM Mariner. North American B-25 Mitchell. Number built. 85,374 [1] Developed from. Wright R-1820. The Wright R-2600 Cyclone 14 (also called Twin Cyclone) is an American radial engine developed by Curtiss-Wright and widely used in aircraft in the 1930s and 1940s.

  9. Wright R-1820 Cyclone - Wikipedia

    en.wikipedia.org/wiki/Wright_R-1820_Cyclone

    Wright R-2600. Wright R-3350. The Wright R-1820 Cyclone 9 is an American radial engine developed by Curtiss-Wright, widely used on aircraft in the 1930s through 1950s. It was produced under license in France as the Hispano-Suiza 9V or Hispano-Wright 9V, and in the Soviet Union as the Shvetsov M-25.