Actually turning the propeller with the flow of the river, you can check how the hydropower is generating from the following movie. Blue Freedom arrives at the editorial department like this. I was in ...

French electric marine drive specialist BlueNav is preparing to put a more natural spin in its lineup. The all-new Whale Design propeller features blades that follow the contours of a whale to improve ...

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 ...

It’s a rare occasion when a piece of engineering transcends its pure industrial function and becomes art. And it’s even rarer when that metamorphosis is the byproduct of a quest for better performance ...

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 ...

Hydrocomp’s newest release of PropCad incorporates 3 years of enhancements. Propellers are surprisingly complex devices, especially considering most are a solid piece of metal with no moving parts.