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Jet Boats
General Jet Boat Discussions
Yamaha 784cc into welded mod-v hull
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<blockquote data-quote="CedarRiverScooter" data-source="post: 446440" data-attributes="member: 15465"><p>Looks like great progress!</p><p></p><p>If your welds don't need to be waterproof, then making a bunch of short ones may be easier. I had the problem of heat getting head of me & I would burn a big hole after about 4 inches.</p><p></p><p>Regarding running the engine out of water, it behaves drastically different with no load, won't tell you much. I tested mine by tying boat to traiier extra well & running engine with trailer backed down ramp. Stirs up some mud but much safer than being out in the current.</p><p></p><p>I had problems with th 'pop-off' springs, made it run bad at midrange. There is a pressure test for pop off you might want to do.</p><p></p><p>Good luck.</p></blockquote><p></p>
[QUOTE="CedarRiverScooter, post: 446440, member: 15465"] Looks like great progress! If your welds don't need to be waterproof, then making a bunch of short ones may be easier. I had the problem of heat getting head of me & I would burn a big hole after about 4 inches. Regarding running the engine out of water, it behaves drastically different with no load, won't tell you much. I tested mine by tying boat to traiier extra well & running engine with trailer backed down ramp. Stirs up some mud but much safer than being out in the current. I had problems with th 'pop-off' springs, made it run bad at midrange. There is a pressure test for pop off you might want to do. Good luck. [/QUOTE]
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Jet Boats
General Jet Boat Discussions
Yamaha 784cc into welded mod-v hull
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