Years after the space race, propeller design remained a sea-trial-and-error endeavor: haul, tweak the props, relaunch, sea-trial, repeat. Finally, the U.S. Navy paid ...

A new study shows that turbulence from boat propellers can and does kill large numbers of copepods -- tiny crustaceans that are an important part of marine food webs. A new study by researchers at the ...

PHILADELPHIA--(BUSINESS WIRE)--Sharrow Marine announced today plans to have a mass-produced, cast version of their award-winning propeller in production by the end of this year. The SHARROW PROPELLER™ ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A humpback whale has been left severely injured after being hit by a ...

When it’s time to buy a new propeller for your boat, diameter and pitch are the most important characteristics to research. To be able to select or upgrade to a new propeller, you must understand ...

A New Option for Catamaran Workboats In 2011, Teknicraft Design of New Zealand designed and engineered what is believed to be one of the first quad propeller propulsion systems for a catamaran hull in ...

DETROIT--(BUSINESS WIRE)--Sharrow Engineering and Sharrow Marine, the industry leader in high-performance propeller design, is proud to announce that CEO and Founder Greg Sharrow has joined the ...

This is an opinion column. A new propeller design will likely start popping up on boats in Alabama and across the nation in the next few months—provided that the manufacturer eventually gets the price ...

Airborne drones are already widely used for filming and are expected to help deliver packages without being affected by traffic jams, but the noise emitted by drones can be an obstacle to widespread ...