Greg Sharrow studied to be in the music industry, but in an effort to make a quiet drone to use filming an orchestra, he realized the he need to eliminate the tips of the blades. He extended the ...

These strangely-shaped twisted-loop propellers look like a revolutionary (sorry) advance for the aviation and marine sectors. Radically quieter than traditional propellers in both air and water, ...

Paris-based FinX says it’ll launch its first product, the Fin5, later this year. The outboard engine composes of fish-fin inspired undulating membrane that replaces a propeller and is 100 per cent ...

Nautical disruptor Sharrow Marine has been hard at work fast-expanding its lineup of innovative twisted-loop propellers, releasing tweaked models for new applications while also ramping up overall ...

SlashGear has traditionally focused on advancements in terrestrial transportation like cars and motorcycles, but we've devoted plenty of space to discussion of marine engines as well. We've presented ...

Every motorboat owner has a tale of hitting a submerged obstacle or boat ramp and damaging a propeller. Typically metal, it must be removed and taken to a prop repair shop, then sandblasted, bent, ...

Abstract: Marine propellers are a critical element in the marine transportation propulsion system. The propeller performances are defined by their non-dimensional coefficient such as the thrust ...

Not everyone own boats. While it might start that way, the passion consumes everyone until they understand the ins and outs of their personal watercraft like the back of their hands. Eventually, most ...

3D Insider is ad supported and earns money from clicks, commissions from sales, and other ways. Plastic propellers are probably familiar to just about anyone who has tried flying a drone. Cheap and ...