Since electric motors can vary their speed significantly and quickly, drones typically use fixed-pitch propellers, rather than heavier, more complex variable pitch propellers.

These vessels are a mix of both controllable and fixed pitch propeller systems that take power from either a high-efficiency electric motor or the main engine… 11 Aug 2014 ...

Click to open image viewer. CC0 Usage Conditions ApplyClick for more information. The Wright brothers designed and constructed the world's first practical fixed-pitch propeller and developed the ...

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 ...

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 ...

A group of New York doctors is making a last-minute attempt to sway voters in favor of Proposition 1, a ballot measure that would enshrine abortion rights in the state constitution. A letter ...