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Cracked Weld - Now what?
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swamp rat



Joined: 09 Aug 2010
Posts: 13

PostPosted: Mon Aug 23, 2010 9:23 am    Post subject: Cracked Weld - Now what? Reply with quote

I guess the rock i hit on the Tuchodi (first trip) did a little more damage than once thought. Had a nagging leak so I finally pulled the floor boards for a look. Found a cracked weld/small dent up near the front. I have a 17' Wolfmade with UHMW.

Whats the easy temporary fix?
Whats the long term fix?

I can post photos later if that would help

Thanks
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shorty



Joined: 30 Oct 2007
Posts: 27

PostPosted: Mon Aug 23, 2010 10:49 am    Post subject: Reply with quote

if its cracked and leaking theres not much of a "temporary" fix it will need to be rewelded and the dent will probably have to be pounded out. pics would always help tho
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Arthur
Outlaw Eagle Admin


Joined: 28 Oct 2006
Posts: 1654
Location: On the rocks

PostPosted: Mon Aug 23, 2010 5:51 pm    Post subject: Reply with quote

I actually found a aluminum putty at my local boat shop that you mix together and it sticks and hardens great. Might work and get you through till winter. You can drill and tap this shit! I'll look for the name when I get home. Everyone should have a tube in they're boat.
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Will R



Joined: 31 Jul 2005
Posts: 677
Location: NWT/Alberta

PostPosted: Mon Aug 23, 2010 9:19 pm    Post subject: Reply with quote

was it pepe or wilson...dang i cant remember but you might a2otr or is that the stuff you mentioned! they posted awhile ago about some sorta magic stuff that claims to be as strong if not stronger than a weld. its on this forum somewhere...
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Pepe



Joined: 26 Jun 2005
Posts: 147
Location: Red Deer, Alberta, Canada

PostPosted: Mon Aug 23, 2010 9:49 pm    Post subject: Wilson Reply with quote

Was Wilson the one. Check in all the Wilson's posts.
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Pepe
Sylvan Lake AB
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swamp rat



Joined: 09 Aug 2010
Posts: 13

PostPosted: Tue Aug 24, 2010 9:00 am    Post subject: Reply with quote

Appreciate the comments.

Here are a couple of pictures.
I'll let you know what i try and how it works out Question

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Rock Skipper



Joined: 03 Sep 2009
Posts: 78
Location: BEAUMONT

PostPosted: Tue Aug 24, 2010 12:18 pm    Post subject: alumiunum putty Reply with quote

Acklands sells an epoxy product by Devcon called Aluminium Putty which can be machined drilled and tapped. I've used the 5 minute plastic steel at work for years (mostly on aluminium) and it works okay. They also have an under water repair putty good for most metals also made by Devcon.
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ntjetboater



Joined: 15 Jun 2005
Posts: 401
Location: Land of many rivers

PostPosted: Tue Aug 24, 2010 4:09 pm    Post subject: Reply with quote

Thats a good crack, but a decent temp fix is to use JB weld or the one mentioned above..or even Sikaflex works great for a year. I would pressure wash it...get a good wire wheel in there and prep it good...use some acetone as a final cleaning and then after dry put your goop of choice..
here are some options
http://www.google.ca/images?hl=en&client=firefox-a&hs=hzM&rls=org.mozilla:en-US:official&q=Aluminum+putty&um=1&ie=UTF-8&source=univ&ei=TUJ0TMK8JYX0swOrx_CqCA&sa=X&oi=image_result_group&ct=title&resnum=4&ved=0CDUQsAQwAw&biw=1006&bih=624


Then in the winter...pound it out and fix it right.
good luck

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don wright



Joined: 15 Oct 2009
Posts: 111
Location: GP

PostPosted: Tue Aug 24, 2010 4:42 pm    Post subject: Reply with quote

im a self taught alum welder so mabe im wrong here but ive found for any cleaning of old alum im shitty places..especially contaminated cracks is easily brought bak to new weldable condition with a hydrachloric acid solution called "coil clean" which can be purchased at a hotsy dealer. i havnt had another cleaner work as good as this
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swamp rat



Joined: 09 Aug 2010
Posts: 13

PostPosted: Tue Aug 24, 2010 5:38 pm    Post subject: Reply with quote

Looks like i have a few temp. options to look over.. thanks
When the repair is done permanently(welded) - if needed?? I am assuming the UHMW will have to be removed in order to properly weld??
Not looking forward to that Sad
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On-Track



Joined: 15 Jul 2010
Posts: 79

PostPosted: Tue Aug 24, 2010 8:44 pm    Post subject: Reply with quote

Wow it sure looks like a poor welding job right from the start. I wonder what filler wire was used as the weldments are discolored. As for the repair just have to grind just about all the way through the cracked area. Power brush clean the veed area and reweld you shouldn't have to remove the UHMW doing that small of a job.
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WILSON



Joined: 17 Jun 2005
Posts: 352
Location: Mexico City

PostPosted: Wed Aug 25, 2010 7:33 am    Post subject: Reply with quote

You can always apply more welding.

Or you can use this:

http://www.durafix.com/

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Joed4040



Joined: 29 Jul 2010
Posts: 5

PostPosted: Wed Aug 25, 2010 6:54 pm    Post subject: Weld crack Reply with quote

I had a similar situation happen to my 17ft extreme. I got a guy to grind down from the top to the plastic and reweld the cracked area. No issues with removing UHMW.
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wrivrdawg



Joined: 09 Oct 2008
Posts: 39
Location: Ft. McMurray AB

PostPosted: Wed Aug 25, 2010 10:59 pm    Post subject: Reply with quote

Ran across another one you...all. Couldn't just paste the link Rolling Eyes
Try: www.AluminumRepair.com
Let us know what you decide to go with and how it turns out.
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grizzslayer



Joined: 22 May 2006
Posts: 16

PostPosted: Thu Aug 26, 2010 9:25 am    Post subject: Reply with quote

With the floorboards already out, you are 1/2 the way to fixing it permenantly. Why not pound the dent out and prep the cracked area. Then simply stop by a fabshop and get them to weld it up. Done
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