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Boat House
welding along keel or chine
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<blockquote data-quote="PSG-1" data-source="post: 280428" data-attributes="member: 6937"><p>That's basically what the factory does when they build johnboats. The hull is made out of 2 seperate pieces for the starboard and port sides, and the 2 pieces are joined in the center, with a center strake, which is welded all the way down each side.</p><p></p><p>However, this is also the first place that corrosion will attack a johnboat, as the heat from welding changes the properties of the aluminum, making it more susceptible to corrosion (kinda like where ever you weld or heat a piece of steel, that is the first place it's going to rust)</p><p></p><p>But I have repaired a few johnboats with the center strake completely gone (including my own 16 foot Dura Craft) by using a piece of 3/16" aluminum angle, the length of the boat, placed over the damaged strake, and welded using a spoolgun and ER5356 .030" aluminum wire.</p></blockquote><p></p>
[QUOTE="PSG-1, post: 280428, member: 6937"] That's basically what the factory does when they build johnboats. The hull is made out of 2 seperate pieces for the starboard and port sides, and the 2 pieces are joined in the center, with a center strake, which is welded all the way down each side. However, this is also the first place that corrosion will attack a johnboat, as the heat from welding changes the properties of the aluminum, making it more susceptible to corrosion (kinda like where ever you weld or heat a piece of steel, that is the first place it's going to rust) But I have repaired a few johnboats with the center strake completely gone (including my own 16 foot Dura Craft) by using a piece of 3/16" aluminum angle, the length of the boat, placed over the damaged strake, and welded using a spoolgun and ER5356 .030" aluminum wire. [/QUOTE]
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welding along keel or chine
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