Though it fails to fit into any traditional man-made watercraft category, the Seabreacher X is remarkably comfortable in the water, turning quicker than anything made by man and happily skipping across the tops of the waves at 50 mph. This is not surprising given that it's based on a shape refined over 420 million years at the top of the ocean food chain – the shark. Give it more horsepower than Valentino Rossi's MotoGP bike, make it so light that it has the power-to-weight ratio of a Bugatti Veyron and you get the Seabreacher X. Its semi-pressurized hull enables it to tickle your adrenalin glands both above and below the waves, and it rates as the most outrageous boy's toy I have ever sampled.
Read the full article: Video: Flight testing the Seabreacher X – the 300 horsepower bionic shark