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Jon and V Boat Conversions & Modifications
To Rivet or To Screw: Marine vinyl / plywood floor
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<blockquote data-quote="Bob9863" data-source="post: 445954" data-attributes="member: 23176"><p>I'd go with the rivets, if you can reach behind the rib and add an aluminum washer to increase the hold then even better.</p><p>I don't like mixing metals with aluminum causes Galvanic Corrosion, that can chew the metal away or fuse it together together inba bad way, particularly in salt or brackish environments.</p><p>I was working on a jet boat once that we had to fasten some seats to, it was aluminum with a sealed hull so I gad to drill blind holes without puncturing the air pocket in the hull.</p><p>To solve that problem I tapped and epoxy the holes and put in stainless helicoils, that allowed me to use stainless bolts to mount the removable seats without fear of screws and aluminum fusing or eating away at each other.</p><p>Thats probly nit an option here as the rib won't have enough meat to helicoil.</p><p>But IMO the best way is to make aluminum tabs up to fix to the deck and then line them up with the ribs, that will be strong and let you rivet the deck in solid with no guess work as to where to center the holes for the rivets.</p></blockquote><p></p>
[QUOTE="Bob9863, post: 445954, member: 23176"] I'd go with the rivets, if you can reach behind the rib and add an aluminum washer to increase the hold then even better. I don't like mixing metals with aluminum causes Galvanic Corrosion, that can chew the metal away or fuse it together together inba bad way, particularly in salt or brackish environments. I was working on a jet boat once that we had to fasten some seats to, it was aluminum with a sealed hull so I gad to drill blind holes without puncturing the air pocket in the hull. To solve that problem I tapped and epoxy the holes and put in stainless helicoils, that allowed me to use stainless bolts to mount the removable seats without fear of screws and aluminum fusing or eating away at each other. Thats probly nit an option here as the rib won't have enough meat to helicoil. But IMO the best way is to make aluminum tabs up to fix to the deck and then line them up with the ribs, that will be strong and let you rivet the deck in solid with no guess work as to where to center the holes for the rivets. [/QUOTE]
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Jon and V Boat Conversions & Modifications
To Rivet or To Screw: Marine vinyl / plywood floor
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