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Jon and V Boat Conversions & Modifications
My inadvertent rebuild project: 17ft Lowe Aluminum
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<blockquote data-quote="oakchas" data-source="post: 421246" data-attributes="member: 18746"><p>Just my thoughts on the cracks: </p><p></p><p>I think that's where I'd expect to find them.</p><p></p><p>I think that welding stiffeners between two cross members contributed to the cracking. </p><p></p><p>Rivets allow for movement, welds don't. </p><p></p><p>In an all welded boat, all the aluminium moves at the same time, in the same direction, it's kind of like one big sheet of aluminum origami in the shape of a boat.</p><p></p><p>In an all riveted boat, the different pieces can move in different directions, and have some "wiggle room".</p><p></p><p>I would guess that in welded boats, most stress cracks occur near welds. Just as your stress cracks occurred near the welds. And, in the pieces on opposite ends of the welded piece.</p><p></p><p>Doubt it was really "abuse."</p><p></p><p>I'm not a metallurgy wonk, by any stretch. But, that's what I think.</p><p></p><p>Sent from my VS987 using Tapatalk</p></blockquote><p></p>
[QUOTE="oakchas, post: 421246, member: 18746"] Just my thoughts on the cracks: I think that's where I'd expect to find them. I think that welding stiffeners between two cross members contributed to the cracking. Rivets allow for movement, welds don't. In an all welded boat, all the aluminium moves at the same time, in the same direction, it's kind of like one big sheet of aluminum origami in the shape of a boat. In an all riveted boat, the different pieces can move in different directions, and have some "wiggle room". I would guess that in welded boats, most stress cracks occur near welds. Just as your stress cracks occurred near the welds. And, in the pieces on opposite ends of the welded piece. Doubt it was really "abuse." I'm not a metallurgy wonk, by any stretch. But, that's what I think. Sent from my VS987 using Tapatalk [/QUOTE]
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Jon and V Boat Conversions & Modifications
My inadvertent rebuild project: 17ft Lowe Aluminum
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