On triple-log pontoons, the center tube tends to plow a trough in the water right in front of the motor. In contrast, the water flowing off a pair of pontoon logs creates a real froth at speed, as the inner wakes converge forward of the “transom” and can even be agitated by contact with underside of the deck. A V-hull boat can be designed to direct a flow of clean water to the propeller of an outboard or sterndrive, so the prop and outdrive can be located relatively high and trimmed even higher at speed, to reduce drag. So what, you might be wondering, makes an outboard motor “pontoon-able?” The main challenge is creating thrust in the very turbulent water that’s created directly behind the boat. ![]() ![]() Very aerated water flowing behind a pontoon requires maximal blade area and a deep propeller position.
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