For some, the concept of how a constant-speed propeller maintains the desired rpm can be a difficult one to grasp. What the FAA’s Airplane Flying Handbook (FAA-H-8083-3B) has to say may help: “When an ...

Explore the history of Hamilton Standard's groundbreaking Hydromatic propeller, a revolutionary design that improved aircraft ...

Fixed-pitch propellers have a static blade angle, offering a compromise between climb and cruise performance and limiting the engine's ability to achieve full rated RPM at slow airspeeds.

After more than 500 flight hours with one propeller, it was time to install a new constant speed propeller and put it through a complete flight test. From takeoff to full performance checks, every ...

Hartzell Propeller announced its new Falcon composite propeller series, kicking off with the Kestrel, a lightweight, constant-speed propeller designed for aircraft powered by the Rotax 916 engine. The ...

Hartzell Propeller announced the launch of Kestrel, its lightweight carbon fiber constant-speed prop—the first entry in its new Falcon composite propeller series. The propellers are specifically ...

Germany’s MT-Propeller has received US supplemental type certification for its MTV-27, 5-blade, constant-speed prop on the Texas Turbines Cessna 208/B Supervan. Introduced in 2008, the aircraft is a ...

Curator Jeremy Kinney explores the contribution of Royal Air Force leader Desmond Cooke to the improvement of Supermarine Spitfires prior to the Battle of Britain. Jeremy Kinney 65 Squadron received ...

The famous British Supermarine Spitfire used various propellers during its early service. Rotol Airscrews, Ltd was formed in 1937 as a joint venture of Rolls-Royce and Bristol. The name, a combination ...

Composite propellers offer significant weight reduction (5-35 pounds lighter than aluminum), leading to increased useful load, reduced engine wear, and better performance, especially in aerobatics.

Hartzell Propeller has completed Supplemental Type Certificate testing to certify a three-blade propeller for the Piper Cherokee 235, on the path to FAA approval and STC issuance. The FAA Designated ...