The actuator is located outside the hub, above the engine reduction unit, and controls the blade adjustment by a hollow axis of the reduction unit and the propeller. The propeller is suitable for the following engine types: ROTAX 912 UL – 80 HP ROTAX 912 S – 100 HP Mar 02, 2014 · Hi Fellow Zenith flyers and builders, I'm in the process of fitting a new propeller to my CH701. I'm running a Rotax 914 turbo (115hp). I'm not keen on a constant speed propeller, so what propeller would be appropriate to get good results for my aircraft? If you have any experiences good, bad or otherwise, please let me know. Volkys
MT-Propeller has received an extended Type Certification for its MTV-34 propeller for engines up to 141 shp at a maximum propeller speed of 2,560 rpm. The lightweight three-blade propeller, with a diameter of up to 70.08″, was originally designed for Ultralights (UL) and Light Sport Aircraft (LSA) with the Rotax 912/914 series.