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Boeing "FRESH-1" Water Trials

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Boeing Model 883, or FRESH-1 (for "foil research experimental supercavitating hydrofoil"), was part of the U.S Navy’s research into hydrofoils. Boeing designed FRESH-1 to investigate a phenomenon known as cavitation. At high speeds, a void or bubble called a "vapor cavity" can be formed, resulting in reduced efficiency and erratic operation. The foil system was designed to allow the boat to travel beyond speeds that produce cavitation.
In 1963, FRESH-1 achieved 84 knots (96 mph/155 kph), breaking a long-standing record set by Alexander Graham Bell in 1919.

Because of a crash during one of the tests, the Navy decided not to pursue testing of a 100-knot (115-mph/185-kph) foil system.

BI46884 (BIV16_FRESH-1_01)

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720px × 480px (~69 MB)

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Rights Managed

Duration:

3m15s

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