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nw30
Joined: 21 Dec 2008 Posts: 6485 Location: The eye of the universe, Cen. Cal. coast
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Posted: Tue Jul 17, 2018 12:20 pm Post subject: |
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LUCARO wrote: | dllee wrote: | Nw30, what do you think GLASS is?
And when you rout, you widen the cavity by at least 3/16", which is enough reinforcement AROUND the box. |
I think NW30 was referring to my strategy of just pouring epoxy into the existing damaged box. |
True that, some people get sensitive over silly things. Also what Kevinkan said is dead on accurate. |
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LUCARO
Joined: 07 Dec 1997 Posts: 663
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Posted: Wed Jul 18, 2018 11:37 am Post subject: |
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I have divinycell and a router and the marine foam (if it has not gone bad).
So I think I will give it a go.
U2U2U2 wrote: | The support around the box from the factory, is probably not sides and bottom.The PVC will have a layer of cell ON top diviny , core cell , many others do the same function, to strengthen the support around it. It comes in sheets of various thickness, 1/4 + would do. Epoxy the cell on the 4 sides, use clamps or vise till cured.
Remove the old box, you could cut with a box knife or drill holes and cut between the holes with a saw, the obvious is a router, but not necessary, you could even chisel it out, I would drill a lot of holes.
The cassette gets inserted , wrapped in glass , minimal, carbon layer desired, also. Carbon first.
The harder part is to tie the cassette into the top layer of the board, overlap glass .
Sanding , much. Assure the new box is positioned straight.
You may need to remove more PVC inside the cavity if it DOES have water damage, in this case I remove, and replace with pour foam 8lb, then cut back out to fit the box.
A option would be , remove box, with opening larger than needed by about 3/8, fill entire area with pour foam, remove pour foam enough to insert cassette with carbon/glass . This worked many many times for me.
Pour foam is watertight and very light.
Using these expectsome weight gain, epoxy is heavy.
If this box is a slot box, I would replace with a US BOX, cheaper as strong or more so, offers some fin adjustment, install procedures the same. |
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dllee
Joined: 03 Jul 2009 Posts: 5329 Location: East Bay
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Posted: Wed Jul 18, 2018 11:51 am Post subject: |
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Microballoons + epoxy makes a strong light filler. Any light wood strips make the reinforcement. |
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