The fastest human powered vehicle on water was 18.5 knots/21.3 mph/34km/h , set by Mark Drela in 1991 using a hydrofoil Decavitator. Some think it took undue advantage of a Dupont Prize rule allowing for 3mph tail wind. bbc.com/future/article/20…
USS Pegasus (PHM-1), lead ship of a class of U.S. Navy hydrofoils, was originally intended to be named Delphinus, but during development and discussion it was feared it could be nicknamed 'dull-penis', so the name was dropped. en.wikipedia.org/wiki/USS…
Today I learned of the Human-powered hydrofoil, a small hydrofoil watercraft propelled entirely by the muscle power of its operator that can reach speeds of up to 34 km/h (21 mph; 18 kn), easily exceeding the world records set by competitive rowing which stand at about 20 km/h (12 mph; 11 kn) en.wikipedia.org/wiki/Hum…
In addition to patenting the first practical telephone, Alexander Graham Bell developed a hydrofoil motorboat that broke the world marine speed record. en.wikipedia.org/wiki/HD-…
A hydrofoil sailboat set a world speed record by sailing at 53 knots--in only a 30 knot wind. en.wikipedia.org/w/index.…
There is a hydrodynamic equivalent to the sound barrier, and a guy with no college education smashed it with a sail boat. wired.com/2013/01/ff-paul…

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