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 ...

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 ...

Supplier MT-Propeller's 20,000th constant speed unit was installed as part of the company's Whisper Prop system. Southwest Specialty Foods recently added BLR winglet and Whisper Props to its ...

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 ...

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 ...

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 ...

Click to open image viewer. Rotol introduced the R130 propeller for the Vickers Viscount airliner in 1954. The R130’s electrically-actuated hub mechanism and square-tipped aluminum alloy blades were a ...

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 ...