That lack of friction, combined with extraordinary sideways grip, means an iceboat can sail six times the speed of the wind.
FORBES: Magazine Article
2.
Jack Frost, a historic Hudson River iceboat dating back to the 1800s, still makes an appearance occasionally when the river's bays freeze enough to support her weight.
FORBES: Shiver Me Timbers
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More than just a frisson of fear shivered through the crew of Deuce when this hulking, 1930s-vintage iceboat found itself caught by a sudden gust of wind on a Wisconsin lake a few years ago.