RE: Vacuum Drying

From: Armas, Earl A. (PTSS-eaarmas) (eaarmas@ptss.com-DeleteThis)
Date: Tue Sep 15 1998 - 13:08:19 PDT


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From: "Armas, Earl A. (PTSS-eaarmas)" <eaarmas@ptss.com-DeleteThis>
To: "'wind_talk@opus.hpl.hp.com-DeleteThis'" <wind_talk@opus.hpl.hp.com-DeleteThis>
Subject: RE: Vacuum Drying
Date: Tue, 15 Sep 1998 13:08:19 -0700
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Im game too! The problem is that I tried to dry out my
board by turning it upside down (cracked on top where the
mast bast is) in the sun. This process immediately
delam-ed the entire bottom of my ASD Course-Slalom
board. So, I can fill up with water for you... ;-)

E

> ----------
> From: Brad James[SMTP:bjames@exponent.com-DeleteThis]
> Sent: Tuesday, September 15, 1998 12:13 PM
> To: Multiple recipients of list
> Subject: Vacuum Drying
>
> 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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