$txt['youtube'] = 'YouTube'; $txt['youtube_invalid'] = '#Invalid YouTube Link#'; Another Crack Job

Author Topic: Another Crack Job  (Read 4600 times)

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Offline Painlesstom

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Re: Another Crack Job
« Reply #15 on: February 15, 2018, 03:52:59 PM »
Including mine I think 6, maybe 7. Too many boats have been through here to remember exactly anymore. lol
Tom

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Offline Painlesstom

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Re: Another Crack Job
« Reply #16 on: February 16, 2018, 07:40:41 PM »
Part 2 - Aluminum Stiffening plate

<a href="http://www.youtube.com/watch?v=eh9FP96PaWQ" target="_blank">http://www.youtube.com/watch?v=eh9FP96PaWQ</a>
Tom

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Offline bizler

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Re: Another Crack Job
« Reply #17 on: February 17, 2018, 12:46:46 PM »
Very neat fix, or preventative measure.  Is the wire mesh reinforcement necessary if there is no evidence of cracking and no welding prior? What thickness aluminum do you use and what sealant/adheasive?  The video is well done and very informative.   \./8

Offline CC-Coder

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Re: Another Crack Job
« Reply #18 on: February 17, 2018, 02:56:31 PM »
I think Tom sent me the link for the mesh screen from McMaster that I used between the cockpit and engine compartments, still working great.
🤦🏼‍♂️ Chuck 🤷🏻‍♂️

Offline Painlesstom

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Re: Another Crack Job
« Reply #19 on: February 17, 2018, 10:09:24 PM »
Thanks. Glad the video is helpful. I use the mesh to reinforce a repaired crack. I haven't used it to reinforce an uncracked area yet. I prefer to know where it will happen first.

Aluminum is 1/16" 6061, I start with a 12x12 sheet.
https://www.mcmaster.com/#89015k37/=1bm7yjh

This is what I'm using now, a little thicker and holds heat better for best initial penetration.
https://www.mcmaster.com/#85385t41/=1bm7ucq

Sealant is Loctite PL S-30
https://www.lowes.com/pd/LOCTITE-PL-10-oz-Black-Paintable-Caulk/3562722
Tom

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Offline bizler

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Re: Another Crack Job
« Reply #20 on: February 18, 2018, 01:48:45 PM »
Thanks,  Tom.  I appreciate the work you have done to develop these fixes. The videos are especially informative. \./8

Offline Painlesstom

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Re: Another Crack Job
« Reply #21 on: February 21, 2018, 01:37:30 PM »
Thanks, Bill.  ;D

Here's part 3, wrapping things up. I let the foam cure for 24 hours before trimming, coat it with polyurethane and let that cure for 12 hours, then paint.

<a href="http://www.youtube.com/watch?v=Lmn2kQg4RCY" target="_blank">http://www.youtube.com/watch?v=Lmn2kQg4RCY</a>
Tom

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Offline Hillbilly

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Re: Another Crack Job
« Reply #22 on: February 22, 2018, 08:34:30 AM »
Beautiful work, Tom.  This may be the most valuable video series yet for "new" old boats.  Total save on this boat!  Thank you

Offline CC-Coder

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Re: Another Crack Job
« Reply #23 on: February 22, 2018, 09:52:52 AM »
Nice to see how you did my 2010ís, no more leaks is a good thing. Lol
🤦🏼‍♂️ Chuck 🤷🏻‍♂️

Offline Painlesstom

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Re: Another Crack Job
« Reply #24 on: February 22, 2018, 10:27:29 AM »
Thanks guys, it's nice to be able to help people salvage their investment in these.  :)

Here are some shots of the top crack, from the flotation tank pressure. I forgot to take a picture of the actual crack before welding...  :-[
Tom

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Offline CC-Coder

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Re: Another Crack Job
« Reply #25 on: February 22, 2018, 02:36:57 PM »
Yep. Same exact place on both of mine. Your screen fix and mine are working great. An easy fix too, even for this novice. Nice overall job both inside and out, I'm sure the owner will get years of enjoyment out of his purchase.
🤦🏼‍♂️ Chuck 🤷🏻‍♂️

Offline Painlesstom

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Re: Another Crack Job
« Reply #26 on: March 27, 2018, 02:26:57 PM »
Here's another one I recovered from a crack addiction. lol

<a href="http://www.youtube.com/watch?v=VQhpUh68e2U" target="_blank">http://www.youtube.com/watch?v=VQhpUh68e2U</a>
Tom

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Offline muddyh2os

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Re: Another Crack Job
« Reply #27 on: January 30, 2019, 12:51:52 PM »
Tom, How far back did you go with the support under the pump area?
All the way or just up front by the coupling?
Thanks, muddy

Offline Painlesstom

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Re: Another Crack Job
« Reply #28 on: January 30, 2019, 04:09:17 PM »
Not sure what you mean by up front by the coupling. There isn't anything to support until you go back under where the pump clamps to the hull. That area you can only use a piece so big or it won't fit, and then you have to use two pieces that size inserting them into that area one from each side, then stack them so their combined thickness provides the needed support. Then I skin the inside of the hull area that I can reach with polyurethane, and fill the rest of the void under the pump with expanding foam to further solidify the back of the hull.
Tom

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Offline muddyh2os

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Re: Another Crack Job
« Reply #29 on: January 30, 2019, 06:06:38 PM »
That's what I meant, under the pump area where it claps.  \./8
Thanks, I've watched your video a couple of times, I'm sure I'll be watching it again when I'm closer to doing it.
It was -11 deg. here today so probably not going out to the garage.
Thanks again.  muddy