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General Jet Boat Discussions
4 stroke 60/40 on 1648 River Rhino with UHMW??
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<blockquote data-quote="rotus623" data-source="post: 427158" data-attributes="member: 15266"><p>Thanks for the in depth reply.</p><p></p><p>Yea those tunnels really up the drag and cut back on speed, that's for sure. That's the way they do it in the James though. I, personally,am happy sacrificing some speed/performance for the protection of a jet tunnel and UHMW plastic.(I am not getting snippy, just being honest) I split an .080 gauge hull right down the middle in april last year. I have also smacked the living tar out of my foot idling around and even drifting (last motor was not power trim.) Running new spots on the river can be a dangerous feat!! The ironic part is that you want to run it slowly to learn it, but can't because you are drafting too much water while at idle.</p><p></p><p>As far as impellers go, this one actually looks so clean I questioned if it was new!! I am going to inspect the liner clearance, as I suspect that the clearance may be too great. The guy who had the boat before me put in a new waterpump, and I doubt he tried moving the washers around. I will pull it in the next few days and get you a part number and take some pics. If you like what you see, I will take you up on your offer, and will gladly trade the old style for a new style. (The motor is an '07, so not sure when they changed the impellers over.)</p><p></p><p>Here is a video of a tunnel rhino running with a small tohatsu jet. I am pretty sure this looks very similar to how my hull looks while under way. https://www.youtube.com/watch?v=T1BKaexw7kc</p></blockquote><p></p>
[QUOTE="rotus623, post: 427158, member: 15266"] Thanks for the in depth reply. Yea those tunnels really up the drag and cut back on speed, that's for sure. That's the way they do it in the James though. I, personally,am happy sacrificing some speed/performance for the protection of a jet tunnel and UHMW plastic.(I am not getting snippy, just being honest) I split an .080 gauge hull right down the middle in april last year. I have also smacked the living tar out of my foot idling around and even drifting (last motor was not power trim.) Running new spots on the river can be a dangerous feat!! The ironic part is that you want to run it slowly to learn it, but can't because you are drafting too much water while at idle. As far as impellers go, this one actually looks so clean I questioned if it was new!! I am going to inspect the liner clearance, as I suspect that the clearance may be too great. The guy who had the boat before me put in a new waterpump, and I doubt he tried moving the washers around. I will pull it in the next few days and get you a part number and take some pics. If you like what you see, I will take you up on your offer, and will gladly trade the old style for a new style. (The motor is an '07, so not sure when they changed the impellers over.) Here is a video of a tunnel rhino running with a small tohatsu jet. I am pretty sure this looks very similar to how my hull looks while under way. https://www.youtube.com/watch?v=T1BKaexw7kc [/QUOTE]
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4 stroke 60/40 on 1648 River Rhino with UHMW??
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