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 car engine VW 1600 - 2200


VW engines are used  in homebuilt aircraft very frequently. Many craftsmen produce PSRU's for VW engine. 

 Our kit includes:

  • tortional vibration damping unit 
  • two worm cog gear - available reduction ratios: 1:1,56 or 1:1,66

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



  • electric starter 
  • flywheel 



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