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<blockquote data-quote="reedjj" data-source="post: 201764" data-attributes="member: 4585"><p>It still seems like it would flex, bend, or break in the middle if not supported by something. I used foam in between the ribs on my flatbottom with thin ply on top and its fine but its supported by the ribs every 14 inches or so. If it was spanning a 4' gap like on your V bottom it migh just snap the foam board in between and bend the ply.</p><p></p><p>What if you ran a 2x2 right down the middle of the hull lengthwise to help support the ply/foam/ply deck you are going to build. </p><p></p><p>An even better question???? what if you sandwiched the foam between 2 layers of thin aluminum with a length of square aluminum tubing ran through the center and along the two sides for rigidity and added strength? After gluing it all together run a couple screws or rivets through the aluminum skin into the square tubing and then Vacum seal it. Super strong, super light and it would never rot or corrode.</p></blockquote><p></p>
[QUOTE="reedjj, post: 201764, member: 4585"] It still seems like it would flex, bend, or break in the middle if not supported by something. I used foam in between the ribs on my flatbottom with thin ply on top and its fine but its supported by the ribs every 14 inches or so. If it was spanning a 4' gap like on your V bottom it migh just snap the foam board in between and bend the ply. What if you ran a 2x2 right down the middle of the hull lengthwise to help support the ply/foam/ply deck you are going to build. An even better question???? what if you sandwiched the foam between 2 layers of thin aluminum with a length of square aluminum tubing ran through the center and along the two sides for rigidity and added strength? After gluing it all together run a couple screws or rivets through the aluminum skin into the square tubing and then Vacum seal it. Super strong, super light and it would never rot or corrode. [/QUOTE]
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