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 ...

Gift Article 10 Remaining As a subscriber, you have 10 articles to gift each month. Gifting allows recipients to access the article for free. A Shelby Township-based boat propeller startup has put $32 ...

Erik Gronnvoll replaces one of the propellers on the wall of his Evergreen Propeller shop in Kingston. (Photo: MEEGAN M. REID) KINGSTON — Yachting season is around the corner, and soon flocks of ...

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 ...