Reduction Drives for Aviation

We are experts in aviation mechanics. We manufacture and offer a big range of PSRU's transforming ordinary car and motorcycle engine into an aircraft engine. Our PSRU's are of the highest quality and used by aircraft homebuilders in Poland and other countries.
We offer also (car) engines adapted for aviation aims.

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Gear Reduction Drive (Propeller Speed Reduction Unit) for motor bike engine BMW 1100 - 1200


 The German BMW moto bike engine - 2 cylinders with capacity of 1100 and 1200 cm3, engine power 80 and 112 HP. Easy adaptable for homebuilt aircraft. 

 Our kit includes: 

  • flywheel
  • centrifugal clutch unit 
  • tortional vibration damping unit 
  • two worm cog gear - available reduction ratios: 1:2,55, 1:2,76, 1:3, 1:3,26

The kit is provided as assembled and ready for installation on the engine.

We give you a 2 years guarantee for standard using of our PSRU (except centrifugal
clutch - it must be replaced after about 400 hours of working)


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