See a mistake? Contact us. A reader recently wrote to request an article on propellers: Why are “constant-speed” props called what they are, how can a fixed-pitch prop “lug” the engine and how does ...

Aircraft propellers are broadly divided into fixed-pitch, which offer a performance compromise between climb and cruise, and variable-pitch types, which can adjust blade angle. Variable-pitch ...

The two-blade, 80-inch diameter next-generation advanced structural composite Hartzell Trailblazer swept-tip prop can now replace Hartzell’s aluminum constant-speed propeller which comes standard on ...

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 ...

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 ...

McCauley's C1106 105-inch, five-blade, constant-speed propeller features a composite construction. Wind tunnel testing of McCauley Propeller Systems' C1106 Denali propeller was conducted at Ruag's ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This is one of the propellers ...

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 ...