Boat Maintenance

For our field trials, we used a twin engine catamaran and one prop with Velox (left), and one prop with Prop Gold (right).

Propeller Paints that Last

Prop antifouling research spins into new territory.

A cheap, effective antifouling paint for a propeller is as rare as a good pun. The coating must not only ward off all marine growth, it must present a smooth slick surface that can stand up to the constant water friction when the boat is under power. And in the case of a folding prop, the coating must also adhere in nooks and crannies and, in some cases, even withstand metal-to-metal contact. These demands are well beyond the reach of any run-of-the-mill marine coating. Thus, our search for—wait for it—a prop(er) paint.

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