Re: Vacuum Drying

From: Rick Campbell (rjcam@home.com-DeleteThis)
Date: Tue Sep 15 1998 - 19:48:19 PDT


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Date: Tue, 15 Sep 1998 19:48:19 -0700
From: Rick Campbell <rjcam@home.com-DeleteThis>
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Subject: Re: Vacuum Drying
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I've got one. A Mike's Lab that had a small crack in the nose and let
in some water. It's not too bad, but the board is now nose heavy. I'm
in San Ramon.

Rick Campbell

Brad James wrote:
>
> Do you have an epoxy board that has taken on water???
> Want to get it dried???
>
> I'm working the kinks out of a vacuum drying system that seems to be working
> pretty well for boards with an ASD-type plug insert. I read about this
> process in a recent Wind Tracks where they interviewed a woman from Ventura
> who does this as part of her board repair business - she says that she can
> get a board completely dry. Basically, you suck out the "free" water in the
> board, and then the water that is trapped inside the closed cell foam comes
> out due to the lower boiling/evaporation temperatures at low pressures. I
> have a vacuum pump, and pump down to about 1/3 atmosphere to do all this.
>
> So far I've done a couple of boards, and you definitely get a lot of water
> out (even in boards that have been sun-dried for weeks).
>
> Anyway, a couple of questions.... (1) I'm looking for a few boards that have
> taken in a fair amount of water to shake down my system (for free), anybody
> interested??? I think I'm dialed in enough to not damage any board, although
> I won't take any responsibility during my initial "guiney pig" stage. (2) If
> I ever decide to charge people to dry their boards, what do you guys (and
> gals) think would be a reasonable price?
>
> Thanks,
>
> Brad



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