Harman Patil (Editor)

RotorWay RW133

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The Rotorway RW133 is a piston engine designed for use in helicopters and homebuilt aircraft.


Design and development

The RW-133 was developed in 1979 as an all-new piston engine for amateur-built aircraft, including a new crankcase oil system. The helicopter version features a dry sump oil system and a turbocharger option increasing power to 160 hp (119 kW). All components of the engine are cast and manufactured at RotorWay Foundries, except the Mallory Ignition and Dell'Orto carburetor.

General characteristics

  • Type: Four-cylinder air-cooled horizontally opposed piston engine
  • Bore: 4 in (102 mm)
  • Dry weight: 160 lb (73 kg) with propeller
  • Components

  • Fuel system: Updraft carburetor with manual mixture control
  • Fuel type: 80/87 avgas minimum
  • Cooling system: Water-cooled
  • Performance

  • Power output: 100 hp (75 kW) @2700rpm
  • References

    RotorWay RW133 Wikipedia

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