This unique counter rotating propeller gearbox
is designed to fit for Rotax 503 and Rotax 582 engines, not for
912 or any other brands engine.
The COAX-P eliminates the torque effect, creates much less noise
(low frequency noise), and improves the thrust for about 15-20%
more, compared to various single propeller types.
for Hangglider Trikes and Paraplanes - Powered Parachutes
eliminates torque effect
considerably more power
gear reduction ratio i=3,7
special propellers for HG-Trike or Paraplane - Powered
weight: 17kg (Rotax E-box 11,2kg)
total length of gearbox incl. second propeller: 20cm more than