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The HeliCat 22 is a catamaran that looks like a helicopter but glides like a decadent boat. It’s able to cruise 0-30 mph in whitecap waves at 5 mpg.

See: Engineering Newswire: HeliCat looks like copter, drives like boat

It features two independent motor/fuel/electrical systems for redundancy.

The HeliCat 22 burns only 4-13 gph, getting 5 to 3.5 miles per gallon.

 

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