Word: iceboat
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Dates: during 1960-1969
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Catching a Vacuum. An iceboat travels fastest across the wind-on what sailors call "a reach." Its speed results from the sail's efficiency as an airfoil -something like the wing on an airplane. Sailing directly downwind, an iceboat cannot exceed the wind's speed. On a reach, though, the wind produces a vacuum on the lee of the slightly slanting sail. This results in a strong forward force. As the sail pushes forward trying to eliminate the vacuum, an iceboat can attain fantastic speeds -up to five times the actual wind velocity. The ice sailor hauls...
...them: Pearson Corp.'s 17-ft. Tiger Cat ($1,795 without sails), which last year won the One-of-a-Kind Regatta against 39 other one-design small sailboats, and Catamaran Corp.'s 12-ft. Tiki ($995 without sails), which sleeps two, can be converted into an iceboat...
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