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 ...

Shopping for the right water ski boat propeller can turn into a technical nightmare. Fortunately, with the right guidance, it doesn’t have to be! We asked two experts, Eric Johnson from OJ Props and ...

Boats are propelled forward by various power sources, such as human power, wind power, and internal combustion engines. Nowadays, even electric boats are coming onto the scene. Propulsion for ...

Consider, if you will, the humble motorboat propeller. It is small - usually 3 to 20 pounds with a 9 1/2- to 16-inch diameter - and has a simple job. Its task is to keep its head underwater and turn, ...

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 ...

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 ...

OSF HealthCare’s Bethany Huelskoetter shares boat safety tips on propellers, falls, fish hooks, and emergencies for swimmers ...

Scientists at two universities are using artificial intelligence to map boat damage in the bay. They’ve already uncovered thousands of propeller scars. Environment and Climate Reporter The Tampa Bay ...