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Best way to fix cracks in aluminum boat without welding
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<blockquote data-quote="jaclark91" data-source="post: 477408" data-attributes="member: 27164"><p>I picked up a 1436 polar kraft flatbottom boat with a gas tank and a 20hp mariner tiller motor on craigslist the other day for $300. I mainly wanted the motor so I just consider it like getting the boat for free. The boat is old, should be pre 1972 since it doesn't have a HIN on the transom, and it is pretty beat up. There are like 5-6 cracks in the bottom and I'm sure it has a bunch of leaky rivets. I have a trailer that extends to fit boats up to like 18ft so I'm watching to find a good deal on a bigger aluminum boat but in the mean time I want to use this one.</p><p></p><p>My question is what's the best way to go about fixing this one without putting too much money into it? I was thinking I would get some of those aluminum brazing rods and drilling out the ends of the cracks and brazing them from the inside of the boat, and then getting some diamond plate aluminum and making a patch to rivet to the bottom with some 5200 to seal it.</p><p></p><p>Anyone got any better ideas than this? Would JB weld or marine tex or alumbond or something work better to patch the cracks from the inside than the brazing rods?</p></blockquote><p></p>
[QUOTE="jaclark91, post: 477408, member: 27164"] I picked up a 1436 polar kraft flatbottom boat with a gas tank and a 20hp mariner tiller motor on craigslist the other day for $300. I mainly wanted the motor so I just consider it like getting the boat for free. The boat is old, should be pre 1972 since it doesn't have a HIN on the transom, and it is pretty beat up. There are like 5-6 cracks in the bottom and I'm sure it has a bunch of leaky rivets. I have a trailer that extends to fit boats up to like 18ft so I'm watching to find a good deal on a bigger aluminum boat but in the mean time I want to use this one. My question is what's the best way to go about fixing this one without putting too much money into it? I was thinking I would get some of those aluminum brazing rods and drilling out the ends of the cracks and brazing them from the inside of the boat, and then getting some diamond plate aluminum and making a patch to rivet to the bottom with some 5200 to seal it. Anyone got any better ideas than this? Would JB weld or marine tex or alumbond or something work better to patch the cracks from the inside than the brazing rods? [/QUOTE]
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Best way to fix cracks in aluminum boat without welding
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