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Jet Boats
General Jet Boat Discussions
Jet Jon project coming soon, need input
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<blockquote data-quote="PSG-1" data-source="post: 241138" data-attributes="member: 6937"><p>Ranchero is right, the transition from the hull to the intake duct needs to be as smooth as possible, to eliminate cavitation. Removing the center strake a few feet in front of the duct will help considerably. Also, you want to make sure that the bottom of your intake duct is flush with the hull, not recessed in any way.</p><p></p><p>In rough water, you're still going to get cavitation, no matter how smooth the transition may be. The use of a 'top-loader' intake grate will also help performance in rough water. The top loader uses an extra blade that curves sharply upwards, to feed water to the top radius of the inside of the pump. The only drawback is that is is very open, and susceptible to ingesting weeds and trash.</p></blockquote><p></p>
[QUOTE="PSG-1, post: 241138, member: 6937"] Ranchero is right, the transition from the hull to the intake duct needs to be as smooth as possible, to eliminate cavitation. Removing the center strake a few feet in front of the duct will help considerably. Also, you want to make sure that the bottom of your intake duct is flush with the hull, not recessed in any way. In rough water, you're still going to get cavitation, no matter how smooth the transition may be. The use of a 'top-loader' intake grate will also help performance in rough water. The top loader uses an extra blade that curves sharply upwards, to feed water to the top radius of the inside of the pump. The only drawback is that is is very open, and susceptible to ingesting weeds and trash. [/QUOTE]
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Jet Boats
General Jet Boat Discussions
Jet Jon project coming soon, need input
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