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 ...

Mercury Racing has expanded the pitch range of its popular Revolution 4 XP propeller line, investing in a new base casting that will be used to produce this high‑performance prop in a 15‑inch diameter ...

During my 30-plus-year history with this magazine, reader queries about propellers have remained constant and unrelenting. Questions that once came in letters and phone calls now arrive digitally, but ...

There’s something to be said for simplicity when teaching people to fly or merely checking out in a new aircraft. Simplicity was Cirrus’ motivation behind this month’s feature, the combined throttle ...

Wärtsilä introduced the FPP Opti Design, a new fixed pitch propeller (FPP) design concept. According to Wärtsilä, the new design offers fuel savings of up to 4 percent and highly reliable full scale ...

At the SMM exhibition and conference in Hamburg, Germany, Wärtsilä is introducing its latest development of large Controllable Pitch (CP) Propellers, based on the previously known E-hub type. The new ...

A Thunder Bay innovator has landed a deal with a U.S. defence contractor that could take his small aviation firm soaring to new heights. Andrew Kondor, president of Aerovate, has sold two units of his ...

Click to open image viewer. The Wright brothers designed and constructed the world's first practical fixed-pitch propeller and developed the aerodynamic theory to calculate its performance during the ...