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 Post subject: Re: Stress Repair How-To
PostPosted: Sat Sep 01, 2018 7:40 pm 
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Joined: Sat Nov 12, 2005 10:46 pm
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Location: Escondido
Nice straightening job! Regarding the adhesive, it is stiff enough to hold its shape. When you apply it, it will not sag to the bottom. Your priority gluing area is the lower half of the cam column and the immediate surrounding hull surface where the cam column attaches, so don't short these areas expecting the glue to fill in.

The clam shell is simply a convenient and quick method of applying the adhesive. It also looks relatively neat and probably adds additional strength. Also important is that it is a more efficient use of the product. When I did this the first time (no clamshell), it took 2 packets and more time putting it on freehand. What a mess!

When you load up your clam shell and wrap it around the cam columns, glue should squeeze out top and bottom (hopefully); it will not run or sag. I held the PVC in place for about 30 seconds, after which there was no tendency to separate. IMO, trying to apply glue inside the boat by feel with the clam shell already in place will will be impossible to accomplish since the material does not flow. Alternatively, fiddling with zip ties while the glue is setting up will weaken the bond. I think your best option is to apply the adhesive uniformly to the clam shell, install the clam shell around the cam column expeditiously, then leave it alone until it cures. 8)


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 Post subject: Re: Stress Repair How-To
PostPosted: Sat Sep 01, 2018 8:38 pm 
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Joined: Fri Jul 13, 2018 9:01 am
Posts: 73
Location: Near Austin, TX
Roadrunner wrote:
Nice straightening job! Regarding the adhesive, it is stiff enough to hold its shape. When you apply it, it will not sag to the bottom. Your priority gluing area is the lower half of the cam column and the immediate surrounding hull surface where the cam column attaches, so don't short these areas expecting the glue to fill in.

The clam shell is simply a convenient and quick method of applying the adhesive. It also looks relatively neat and probably adds additional strength. Also important is that it is a more efficient use of the product. When I did this the first time (no clamshell), it took 2 packets and more time putting it on freehand. What a mess!

When you load up your clam shell and wrap it around the cam columns, glue should squeeze out top and bottom (hopefully); it will not run or sag. I held the PVC in place for about 30 seconds, after which there was no tendency to separate. IMO, trying to apply glue inside the boat by feel with the clam shell already in place will will be impossible to accomplish since the material does not flow. Alternatively, fiddling with zip ties while the glue is setting up will weaken the bond. I think your best option is to apply the adhesive uniformly to the clam shell, install the clam shell around the cam column expeditiously, then leave it alone until it cures. 8)


Roger that, thank you sir! "...so don't short these areas expecting the glue to fill in." What exactly do you mean here? I "think" you mean don't just add adhesive to the upper portion thinking it will run downwards, just apply a uniform smear (1/8" level all over the open clam shell) so that when I push it around the column it will seal and push out the bottom and top. Correct?

I will have a go at this tomorrow or Monday. Right now my new un-opened tube is in our house at 73 degrees F and my working garage is about 85 degrees F. Not my ideal temps to work in but I do live in central Texas unfortunately.

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Roy Niswanger


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 Post subject: Re: Stress Repair How-To
PostPosted: Sat Sep 01, 2018 9:36 pm 
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Location: Escondido
Yes. 8)


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 Post subject: Re: Stress Repair How-To
PostPosted: Sun Sep 02, 2018 2:28 pm 
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Joined: Fri Jul 13, 2018 9:01 am
Posts: 73
Location: Near Austin, TX

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Roy Niswanger


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 Post subject: Re: Stress Repair How-To
PostPosted: Wed Sep 05, 2018 10:41 pm 
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Posts: 2902
Location: Escondido
Nice documentation! Hopefully the cam columns will be problem-free now for a long time. 8)


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