Hartzell Propeller is launching the Kestrel, a lightweight carbon fiber constant speed prop and the first in its new Falcon composite propeller series, specifically designed for aircraft powered ...

Hartzell Propeller has unveiled a new lightweight carbon fiber constant speed prop specifically designed for Rotax 916 powered aircraft, it announced Tuesday. CubCrafters’ Carbon Cub UL is the ...

CubCrafters and Hartzell Propeller shared Tuesday news of the development of a new, lightweight constant-speed propeller, engineered specifically for the Rotax 916-powered Carbon Cub UL. The ...

Thus [Valkyrie Workshop] has come up with a simple but ingenious rig to evaluate a motor and propeller combo without ... automobile so it can be tested at speed.