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T-88 and clamping pressure

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Joshua L

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Nov 4, 2018
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I'm starting construction on my truss ribs using T-88. I've never used epoxy before, so this is kind of new to me. I've made an unairworthy rib before using standard glue. I know stapling is commonly used with brads or clamps being alternatives to hold the gussets while the epoxy sets.

I would rather use clamps because I think aesthetically it looks nicer and doesn't risk damaging the wood as removing a staple does. So my question is how much pressure is really needed? Would a small piece of 2 x 4 apply sufficient pressure for the T-88? I was going to experiment with this, but I figure someone has probably already tried something similar.

The box says "apply only enough clamping pressure to close the joint" and I figured this would be about right, but I don't have any experience to fall back on so any input would be welcome, thanks!
 

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