What a Drag Just how much does your leash affect your surfing?

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When it comes to surf equipment, the leash is usually an afterthought. To some it’s a tangled, bothersome kook-cord, to others it’s a lifesaver. Regardless of its pros and cons, the leash is 6 feet of cord trailing behind you, and it’s essentially dead weight. Dead weight produces drag, making the leash the only piece of surf equipment not designed to improve performance on a wave. But just how much does a leash affect your surfing?

According to Aaron Perry, a yacht design engineer for ORACLE Racing (winners of the 2010 America’s Cup), every surfer feels a different amount drag. “Drag goes up with the square of the speed, so the faster you go, the higher the drag,” says Perry. “But a really rough estimate of assuming 15 mph of board-speed and a 5mm cord dragging, with 3 feet of effective length, gives you roughly 5 pounds of drag, which compared to the overall drag when paddling or riding is a small amount.”

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three53fins
2 years ago

bigest issue is kooks not washing out of the line up. period.

sharkturd
2 years ago

Maybe yes, it's "the only piece of surf equipment not designed to improve performance", but it has done exactly that...and also has allowed for a faster rate of improvement as well. The learning curve would just be a gradual incline and hell-men chargers would have perfected breast strokes without it. Drag is a non issue! Leash annoyance? That is something else.

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