constant speed propeller

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FP hub + FP blades


After an extensive campaign of flight tests on some of the fastest ultralight aircrafts ( Shark , Pioneer 300 , Freccia, FK 14 ) we are proud to present our two-blade propeller for speed over 300 Km/h


Hydraulic piston is made by using special solutions and materials in order to achieve the absolute hydraulic seal and the operation long-life.

Mechanical anti-reverse stop system.
Hub machined from aluminium alloy rod and blade shank in high strength steel.
Excellent performances over the entire flight envelope of the aircraft (take-off, climb, cruise and top speed). High flight comfort, high quality finishing, low moment of inertia.
Installation of the our propeller is reduced to a very simple operation sequency:
> Installation of brushes and slip ring on the engine gear box
> Tightening of the n. 6 bolts on the propeller/shaft flange
> Mounting of each blade in its numbered seat.

  • Propeller diameter: 1750 mm
  • Weight : 8,40 kg
  • Moment of inertia: 3.700 kg*cm2
  • Pitch range: from 10° to 40°, adjustable
  • Pitch change speed: 30 °/sec
  • Pitch control: by constant speed hydraulic governor
  • Applications: Aircraft powered by Rotax 912, 912S, 914, 915
  • Available versions: right rotation (CW)
constant speed propeller constant speed propeller constant speed propeller

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