By using two propellers that rotate in opposite directions, a ship can use less energy to move forward. New knowledge means ...

A boat’s propeller is one of its most crucial components, yet it’s often overlooked until problems arise. Proper maintenance ...

The propeller system is the earliest thrust generator designed for fully powered aircraft flight. Though they have evolved quite a bit since their first operation by the Wright brothers in 1903, ...

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 ...