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R-1535 TWIN WASP JR. ENGINE

R-1535 Twin Wasp Jr. Engine

The R-1535 Twin Wasp Jr. was Pratt & Whitney's
first two row production engine.

A smaller version of the R-1830 Twin Wasp, it produced up to
825 horsepower.

Airplanes Powered

  • Poetz Model 63-12
  • Boeing Model 247A
  • Breguet Model 695-AB2
  • Breguet Model 699-B2
  • Breguet Model 690-C
  • Bristol Bolingbroke
  • Canadian Car & Foundry
    Model 10
  • Curtiss Wright SBC-3
  • Douglas O-46A
  • Fokker G-1
  • Great Lakes BG-1
  • Grumman F2F
  • Grumman F3F-1
  • Grumman XSF-2
  • Miles Master III
  • Northrop A-17, 17A
  • Northrop BT-1
  • Vought V-142
  • Vought V-143
  • Vought SBU-1,2,3
  • Vought SB2U
  • Vought XSB3U