The Rotorway RW133 is a piston engine designed for use in

helicopter A helicopter is a type of rotorcraft in which lift and thrust are supplied by horizontally spinning rotors. This allows the helicopter to take off and land vertically, to hover, and to fly forward, backward and laterally. These attributes ...

s and

homebuilt aircraft Homebuilt aircraft, also known as amateur-built aircraft or kit planes, are constructed by persons for whom this is not a professional activity. These aircraft may be constructed from "scratch", from plans, or from assembly kits.Armstrong, Kenn ...

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 In an internal combustion engine, a turbocharger (often called a turbo) is a forced induction device that is powered by the flow of exhaust gases. It uses this energy to compress the intake gas, forcing more air into the engine in order to pro ...

option increasing power to . All components of the engine are

cast Cast may refer to: Music * Cast (band), an English alternative rock band * Cast (Mexican band), a progressive Mexican rock band * The Cast, a Scottish musical duo: Mairi Campbell and Dave Francis * ''Cast'', a 2012 album by Trespassers William ...

and manufactured at RotorWay Foundries, except the Mallory Ignition and Dell'Orto carburetor.

Specifications (variant)

References

{{RotorWay aircraft 1970s aircraft piston engines