>> in the blink of an eye, a piece of equipment fails or driver makes a mistake and your boat could be 50 feet in the air, upside down and backwards. >> at first glance, conservatively dressed dave billwalk might look more like a banker than a daredevil. but this champion driver has been racing hydroplanes for years and has been in some pretty dramatic crashes. >> you're traveling at over a football field per second. so if you aren't anticipating what's going to happen, you're likely to crash. >> they flip through the air as if they weigh nothing, but these boats are 30 feet long, 7,000 pounds, with 4,000 horsepower engines. >> a hydroplane is a celebration of success. everything about it is bigger and badder and more extensive