The multi-award-winning Sharrow Propeller family is growing. The new Sharrow CX incorporates the company's toroidal design into a contra-rotating propeller set. The sculptural new prop doubles up on looped blades with the promise of bringing Sharrow's efficiency-boosting, noise-cutting benefits to the already efficient world of contra-rotating outboards and sterndrives from top names like Volvo and Mercury. New Atlas' Loz Blain did an excellent job diving into the newly energized world of toroid...