Why hasnt waterjet propulsion been used on more pleasure boats?

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Why hasnt waterjet propulsion been used on more pleasure boats?

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Often fear of the unknown by some boat builders resulting in higher prices for the jet option to cover their first time costs. These high prices probably discouraged potential buyers. Forward-thinking boat builders who offer waterjet propulsion comment that simpler installation of jets offsets the slightly higher component cost. 8. Will the jet pick up seaweed? They can, however, the risk is lower than for an underwater propeller. Keep the power low when at low boat speed over areas of seaweed. The risk is very low at cruise speed. Small and floating sea grass will go through the jet without concern. 9. How will I know if the intake is blocked with seaweed or other debris? The engine rpm will increase for the effected jet and boat speed will drop slightly. This indicates the jet is not pumping as much water due to a partial blockage of the intake. 10. How is seaweed or other debris cleared from the jet intake? There are several methods with the first being to Backflush the jets. Backfl

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