It must be treated when subjected to moisture. Our 70CM series propeller should not have to be serviced unless it receives a strike. Due to metal fatigue, both fixed pitch and constant speed propellers should be reconditioned every 2000 hours. Normally, it will be. Due to the physical characteristics of an aluminum propeller, we are better able to achieve the ideal blade shape and thickness than a wooden propeller manufacturer.
Tolerances can also be much tighter without fear of expansion and contraction.
This is the constant speed's strength. Due to the tremendous climb capabilities of the aircraft, this is where we compromise. When you purchase our fixed pitch aluminum propeller the price includes the extension and the mounting hardware. Wooden propellers are priced as a propeller only. We have pitched the propeller so that at altitude, you will max out at 2600 full throtle level.