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Margaret spectated jet boat Marathons which Pat competed in, but wanted to see more of the race, suggesting a smaller, more condensed track. Events were originally held in the same natural braided rivers that had inspired Sir William Hamilton to develop the jetboat , but when the sport was introduced to Australia in the mid-1980s, permanent ...
A jetboat is a boat propelled by a jet of water ejected from the back of the craft. Unlike a powerboat or motorboat that uses an external propeller in the water below or behind the boat, a jetboat draws the water from under the boat through an intake and into a pump-jet inside the boat, before expelling it through a nozzle at the stern.
The 470 (Four-Seventy) is a double-handed monohull planing dinghy with a centreboard, Bermuda rig, and centre sheeting.Equipped with a spinnaker, trapeze and a large sail-area-to-weight ratio, it is designed to plane easily, and good teamwork is necessary to sail it well.
The boat was reported to reach a speed of four mph moving upstream. [7] [8] [9] On December 21, 1833, Irish engineer John Howard Kyan received a UK patent for propelling ships by a jet of water ejected from the stern. [10] In April 1932, Italian engineer Secondo Campini demonstrated a pump-jet propelled boat in Venice, Italy. The boat achieved ...
The large fleet of similar boats coupled with the Mirror's stability and relative complexity (for a boat of this size) make it the ideal boat to learn racing skills. It is a recommended UK Olympic pathway boat and many top sailors learned their trade in Mirrors. Mirrors are raced competitively worldwide.
On a keelboat, "outrigger" refers to a variety of structures by which the running rigging (such as a sheet) may be attached outboard (outside the lateral limits) of the boat's hull. The Racing Rules of Sailing generally prohibit [3] such outriggers, though they are explicitly permitted on specific classes, such as the IMOCA Open 60 [4] used in ...
Aug. 27—The Thunder on the Snake Jet Boat race will be held this weekend for the first time in more than a year. The jet boat race between Hells Gate Marina and Bear Bar was called off last year ...
Sir Charles William Feilden Hamilton OBE (26 July 1899 – 30 March 1978) was a New Zealand engineer who developed the modern jetboat, and founded the water jet manufacturing company, CWF Hamilton Ltd. Hamilton never claimed to have invented the jet boat. He once said "I do not claim to have invented marine jet propulsion.