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Pratt & Whitney R-1830-86 Twin Wasp


Gift of Pratt & Whitney Aircraft


Produced from 1932 until 1951, the remarkable Twin Wasp was one of the most widely used aircraft engines in aviation history. It is a two-row, 14-cylinder radial design which, in various models, ranged from 750 to 1,350 hp and powered fifty different transport, fighter, bomber and attack aircraft. Total production, including license built engines was an astounding 173,618. The model 1830-86 produced 1,100 hp with two-stage, two-speed supercharging.

This engine is located in the Military Hangar near the Lockheed F-104C display.

If you have any information, comments or recollections of the R-1830 Twin Wasp, please contact This e-mail address is being protected from spambots. You need JavaScript enabled to view it. .

Here are some significant aircraft that were powered by the Twin Wasp:

  • Consolidated PB2B and PBY Catalina
  • Consolidated B-24 Liberator
  • Curtiss Wright P-36 Mohawk
  • Douglas DC-3 and C-47
  • Douglas SBD Dauntless
  • Douglas TBD Devastator
  • Eastern FM-1 Wildcat
  • Grumman F4F-4 Wildcat
  • Short Sunderland V
  • Vickers Wellington IV