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Jon and V Boat Conversions & Modifications
18' Smoker Craft Restoration
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<blockquote data-quote="dearl" data-source="post: 435013" data-attributes="member: 1760"><p>Wow, yep that's pretty ruff. O.k. speaking from experience here cause my Grumman was eat up with corrosion. You want to kill the corrosion, mechanical removal will get some of it, but not all. I used a stiff brass wire brush on a drill to get most of the surface corrosion off, then a mixture of 50/50 muriatic acid and water. work in small areas and work it In with a hand held stainless steel wire brush. After 3 - 5 minutes rinse really good with water. I'd stay away from a stainless cup brush on a drill or grinder, they will put large swirls In the aluminum, their pretty aggressive, and don't use carbon steel ones, the bristle break off and get between your stringers and rust, causing more corrosion later. Once the corrosion is gone you can fill the voids with JB weld and sand down flush. it works really well, adding a little acetone to the JB will thin it out and allow you to work it in real good. Once all the corrosion is gone, you can use Gluvit on the seams and rivets from the inside, but once it dries you may wont to put a good coat of primer on top of it, Gluvit is not UV resistant, and may break down before you get the decks and inside back together. Good Luck, looks like your off to a good start. Here's a link to what I started with and were she's at now.</p><p></p><p>https://www.forum.tinboats.net/viewtopic.php?f=21&t=40421</p></blockquote><p></p>
[QUOTE="dearl, post: 435013, member: 1760"] Wow, yep that's pretty ruff. O.k. speaking from experience here cause my Grumman was eat up with corrosion. You want to kill the corrosion, mechanical removal will get some of it, but not all. I used a stiff brass wire brush on a drill to get most of the surface corrosion off, then a mixture of 50/50 muriatic acid and water. work in small areas and work it In with a hand held stainless steel wire brush. After 3 - 5 minutes rinse really good with water. I'd stay away from a stainless cup brush on a drill or grinder, they will put large swirls In the aluminum, their pretty aggressive, and don't use carbon steel ones, the bristle break off and get between your stringers and rust, causing more corrosion later. Once the corrosion is gone you can fill the voids with JB weld and sand down flush. it works really well, adding a little acetone to the JB will thin it out and allow you to work it in real good. Once all the corrosion is gone, you can use Gluvit on the seams and rivets from the inside, but once it dries you may wont to put a good coat of primer on top of it, Gluvit is not UV resistant, and may break down before you get the decks and inside back together. Good Luck, looks like your off to a good start. Here's a link to what I started with and were she's at now. https://www.forum.tinboats.net/viewtopic.php?f=21&t=40421 [/QUOTE]
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Jon and V Boat Conversions & Modifications
18' Smoker Craft Restoration
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