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| | Jet Drive - Boat Design Forums |
 | | Water enters the jet unit intake on the bottom of the boat, at boat speed, and is accelerated through the jet unit and discharged through the transom at a high velocity. |
 | | Jet drives are suitable for use on semi-planing and displacement hulls when the benefits of jets (low draft, avoidance of propeller repairs, excellent low speed maneuverability, low noise and vibration levels, safety for personnel and aquatic mammals in the water, low maintenance, simplicity, and durability) are important, or essential, in the operation of the vessel. |
 | | Jet drives designed for planing craft are generally not the best solution for displacement craft requiring the benefits of jet propulsion as large diameter impellers and high water volume, rather than high water velocity, are required. |
| www.boatdesign.net /forum/showthread.php?t=426 (2745 words) |
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