27/02/2025
PRESS RELEASE / Yakima, WA & Piqua, OH / February 25, 2025
CubCrafters, a leader in backcountry aircraft innovation, and Hartzell Propeller, a global leader in advanced propeller design, proudly announce the development of an exciting all-new, lightweight constant-speed propeller engineered specifically for the Rotax 916-powered Carbon Cub UL. This revolutionary new three-blade composite propeller delivers unmatched performance while significantly reducing weight compared to previous designs.
The Kestrel propeller is a key advancement for the Carbon Cub UL, designed to be the lightest and most capable adventure aircraft in its class. Leveraging Hartzell’s expertise in high-performance composite propellers, the lightweight Kestrel propeller optimizes thrust, efficiency, and durability, enhancing the Carbon Cub UL’s already impressive takeoff, climb, and cruise characteristics.
"Our work with Hartzell represents a shared commitment to pushing the boundaries of performance, efficiency, and safety," said Patrick Horgan, President and CEO of CubCrafters. "The Kestrel propeller is a major breakthrough for the Carbon Cub UL, giving pilots superior performance and capability at a previously unheard-of weight."
Built using Hartzell’s latest composite manufacturing technology, the Kestrel propeller is lighter than any previous constant-speed propeller offered on the Carbon Cub while also offering increased strength and aerodynamic refinement. This innovative design maximizes the power of the Rotax 916 iS engine, delivering improved responsiveness and fuel efficiency for both backcountry and cross-country flying.
"Working with CubCrafters on this groundbreaking project was exciting," said JJ Frigge, President of Hartzell Propeller. "The Kestrel propeller represents the first in our next generation of lightweight, high-performance propellers. Tailored to the specific needs of the Carbon Cub UL and its demanding mission profile, this new propeller exceeded everyone’s expectations."
The Kestrel propeller has successfully completed rigorous testing and is now available for Carbon Cub UL customers. This project underscores both companies’ dedication to delivering cutting-edge aviation technology that enhances the pilot experience and aircraft capability.
Customers who have flown the new Kestrel propeller have been extremely impressed by its performance, particularly its remarkable smoothness and acceleration. Pilots have reported noticeable improvements in overall flight characteristics, making the Kestrel an outstanding addition to the Carbon Cub UL.
For more information, please visit: www.cubcrafters.com and www.hartzellprop.com
Propeller technical specifications:https://cubcrafters.com/c/wp-content/uploads/2025/02/CarbonCubUL_Kestrel-Propeller-Datasheet.pdf