Jetboats were originally designed by Sir William Hamilton. He developed a waterjet in 1954, for operation in the fast-flowing and shallow rivers of New Zealand, to overcome the problem of propellers striking rocks in such waters. So, a jetboat is a boat propelled by a jet of water ejected from the back of the craft. The jetboat draws the water from under the boat into a pump inside the boat, then expels it through a nozzle at the stern. Hamilton jet features – highly efficient design, strong, lightweight, cast aluminum housing, wide choice of stainless steel impellers for optimum engine matching, strength and cavitation resistance, standard left-hand rotation, integrated intake and mounting base for ease of installation, cathodic (Anode) protection, flush-mounted intake screen, power operated, split-duct reverse bucket for maximum operational control (except HJ212 model), standard clean-out port with optional extension collar… and more.
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