Jetboat
Videos
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 dra
Jetboating on the Waitoto River in the West Coast region of New Zealand
A rider on a Yamaha Waverunner XL in a high-speed turn
Jetboat on the Rogue River by Grants Pass, Oregon
A jetboat on Shotover Canyon in New Zealand, the country for which jetboats were originally invented
Pump-jet
Videos
A pump-jet, hydrojet, or water jet is a marine system that produces a jet of water for propulsion. The mechanical arrangement may be a ducted propeller, a centrifugal pump, or a mixed flow pump which
Jetboat
…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 modern jetboat was developed by New Zealand engineer Sir William Hamilton in…
A view of pump-jets operating
Two of four KaMeWa waterjets on the high-speed ferry Discovery