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 ...

Your propeller affects every aspect of your boat’s performance: acceleration, handling, ride, turning, fuel efficiency and top speed. The trick is finding the right prop for your boat, and the right ...

Presentation of the DNV GL certificate by Dr. Olaf Richter (right) in the presence of his inspector, Dieter Ekat (2nd from left) who supported the test series, to Piening boss Mathias Pein (2nd from ...

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 ...

Inland river pushboats operate in a harsh environment. Transiting our rivers, bays, lakes and inland waterways, these vessels push barges between hubs of commerce. Swift currents, trash and debris, ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

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 ...