This Jupiter 41 SB is running fine not only because of its captain and trim control, but because of expert selection of propeller characteristics and rotation. Courtesy Jupiter Marine International ...

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 ...

Propellers affect more than speed and fuel economy. In fact, the more outboards there are hanging on the transom, the more propeller selection dictates a boat’s ride, minimum planing speed, and ...