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I am Tosk

In article ,
says...

On Wed, 24 Mar 2010 20:20:45 -0700 (PDT), Frogwatch
wrote:

Say you want to drive the moisture out of gelcoat. I've used a heat
gun to do it and was surprised at how much water came out.
So, what would a high power microwave unit do? Water absorbs the
microwaves much better than the polyester so it would get hot and come
out. This would avoid the months of waiting for a hull to dry if you
are repairing blisters (a real scam as blisters are not a real
problem).

Some years ago I read, in one of the boating magazines, about a guy
that had invented an innovative method of drying a hull. He removed
the door from a micro-wave oven and bypassed the "door-open" safety
switch. Placed the oven face down on the deck and turned on the power.

I never read anything more about the method and have visions of him
heating the saturated deck core to the point that steam was generated
and the resultant upheaval.

Water when heated turns to steam and I can assure you that the steam
will come out :-)

Cheers,

Bruce

Won't vacuum boil out water vapor?

Scotty

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