HUMBERT AVIATION MOTO DU CIEL Rotax 912 gear ratio 2.27 |
HUMBERT AVIATION MOTO DU CIEL Rotax 912S gear ratio 2.43 |
EXCALIBUR-4
This 4-blade propeller with different angle between the blades is very quiet on my Moto Du Ciel which is a bit noisy. And it's pushing hard.
V.B. (2014-10-28)