Hartzell Launches Composite Prop for Rotax 916 Engines

CubCrafters' Carbon Cub UL is the first aircraft featuring the new lightweight carbon fiber propeller.

Kimberly Johnson

Tuesday, February 25, 2025 at 12:17 PM ET

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Kimberly Johnson

CubCrafters’ Carbon Cub UL is the first aircraft to feature the Kestral prop. [Courtesy: Hartzell Propeller]

Key Takeaways:

Hartzell Propeller has unveiled the new Kestrel prop, a lightweight carbon fiber constant speed propeller designed specifically for Rotax 916 powered aircraft.
Weighing 19.6 pounds, the Kestrel is the lightest constant speed propeller available for Rotax 916 engines, offering a 10-pound weight reduction and high-performance aerodynamics.
The Kestrel is the first prop in Hartzell's new Falcon composite series for Rotax engines and will debut on CubCrafters’ Carbon Cub UL aircraft.

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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 first aircraft to feature the Kestrel prop which, according to the company, is expected to be a popular upgrade from fixed or ground-adjustable propellers.