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 ...

The X2 can maintain a sustained cruise speed of 200 knots at ... throughout the dive while maintaining a constant speed by using the pusher prop as a brake, adding negative pitch.

This feature made the 172XP more similar in some respects to larger Cessna models like the 182, which also used constant-speed propellers. The XP model could cruise at 131 knots (243 km/h ...