Video: Chris Fairchild explains tunnel boat racing "Flying On Edge"

Illustration for article titled Video: Chris Fairchild explains tunnel boat racing Flying On Edge
Screenshot: Tunnel Boat Racing Flying On Edge - YouTube

Outboard tunnel boats are the fastest-turning race vehicles on earth. The sharp, 90-degree transfer where the tunnel sides meet the bottom of the sponsons helps the boat settle in the water as it enters a turn.

The submerged sponsons make the boat turn as if it were on rails. It is common for drivers to experience 4.5 to 5Gs as they enter a turn at 120 mph and come out at 90+ mph. Obviously, only experienced racers should consider this type of hull.

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