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General Jet Boat Discussions
Another HP rating thread
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<blockquote data-quote="River Rider" data-source="post: 268132" data-attributes="member: 2087"><p>Just to chime in on the the idea of beefing up the transom. I am in the process of doing the same thing. The motor weight isn't the only problem with going big, but the tourque on the hull itself with that much horse power. I have been running my 70 horse on my allweld for a couple months now and haven't had any issues with hitting rocks, but I have had some welds crack. The gussets in the back that attaches the top of the transom to the top of the gunnels keep cracking. Talked to a marine welder and found that it must be from the stress of the motor when turning and manuvering. To remedy I will be raising the transom up and then attaching to the gunells again basically like the true jets sleds. That I am told will strengthen the hull as well as raise it to keep the splash over effect when letting off the motor at higher speeds. But of course this is my 2 cents, and I hope to have photos of that progress soon on my thread to show the progress.</p></blockquote><p></p>
[QUOTE="River Rider, post: 268132, member: 2087"] Just to chime in on the the idea of beefing up the transom. I am in the process of doing the same thing. The motor weight isn't the only problem with going big, but the tourque on the hull itself with that much horse power. I have been running my 70 horse on my allweld for a couple months now and haven't had any issues with hitting rocks, but I have had some welds crack. The gussets in the back that attaches the top of the transom to the top of the gunnels keep cracking. Talked to a marine welder and found that it must be from the stress of the motor when turning and manuvering. To remedy I will be raising the transom up and then attaching to the gunells again basically like the true jets sleds. That I am told will strengthen the hull as well as raise it to keep the splash over effect when letting off the motor at higher speeds. But of course this is my 2 cents, and I hope to have photos of that progress soon on my thread to show the progress. [/QUOTE]
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