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Started By
Message
re: Anyone ever stick welded aluminum? (Boat repair/patchwork)
Posted on 3/27/19 at 12:49 pm to TheDrunkenTigah
Posted on 3/27/19 at 12:49 pm to TheDrunkenTigah
Well, my dad has officially gone rogue. He couldn’t wait for the weekend.
5
Posted on 3/27/19 at 12:55 pm to finchmeister08
Couple things:
For that kind of patch you're gonna want to use marine 5200 as a sealant.
Two, I wouldn't feel comfortable with screws there that could vibrate loose. Use stainless nuts, bolts, and lock washers just long enough to get a good grip. With regular steel hardware you are gonna have corrosion issues in aluminum.
eta: it's probably a good thing you didn't try to weld that. You would have either burned through and been really pissed or it wouldn't have made a good bond and popped right off first time out. I wouldn't braze it either with an area that will flex, that's the one downfall of brazing is it can be brittle if not done just right. Sealant and fasteners are gonna be the best bet there.
For that kind of patch you're gonna want to use marine 5200 as a sealant.
Two, I wouldn't feel comfortable with screws there that could vibrate loose. Use stainless nuts, bolts, and lock washers just long enough to get a good grip. With regular steel hardware you are gonna have corrosion issues in aluminum.
eta: it's probably a good thing you didn't try to weld that. You would have either burned through and been really pissed or it wouldn't have made a good bond and popped right off first time out. I wouldn't braze it either with an area that will flex, that's the one downfall of brazing is it can be brittle if not done just right. Sealant and fasteners are gonna be the best bet there.
This post was edited on 3/27/19 at 12:58 pm
Posted on 3/27/19 at 1:55 pm to finchmeister08
The spacing of those screws is causing my ADD to flare.
Posted on 3/27/19 at 2:58 pm to finchmeister08
I like it
Posted on 3/27/19 at 3:13 pm to finchmeister08
quote:
He couldn’t wait for the weekend.
With all the badass epoxies they make these days and the fact it's on the side of the boat rather than the bottom, you'll have more water leaking into the boat from other places than from that patch. Good job pops.
Posted on 3/27/19 at 3:56 pm to finchmeister08
Oh my Gootness, betta wears a life preserva 
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