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 a propeller in the water below or behind the boat, a jetboat draws the water from under the boat into a pump inside the boat, then expels it through a nozzle at the stern. Jetboats were originally designed by Sir William Hamilton (who developed a waterjet in 1954) for operation in the fast-flowing and shallow rivers of New Zealand, specifically to overcome the problem of propellers striking rocks in such waters

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Photo credit: © ART Collection / Alamy / Afripics
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Keywords: boat, bridge, cavel, edith, hamilton, ication, jet, otago, photograph, queenstown, queenstownjet, red, ride, river, shotover, sightseeing, splash, thrilling, zealand