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Scuba Articles > BuoyancyBray
boat propulsion for PeaceKris
BuoyancyBray - 1/29/2007 12:00 AM
Today`s Aluminum Jet boats are a far cry from the early riveted aluminum fishing boats sold through Sears catalogs or the early jet boats from the 1960s and 70s. Here`s a quick overview of where the industry has come from and what represents the state-of-the-art today. First Generation. The water jet pump for boat propulsion was invented by New Zealander, Sir William Hamilton. In 1953 he constructed his first centrifugal pump driven by a bevel gear. He installed it in a 11.5 ft plywood boat with...