On Tue, 21 Dec 2004, Ken Gilmour wrote:
> We have two (not silica based though)... but they might not be
> doing their job properly so i need some test equipment to find out.
The silica ones are commonly used on yachts to keep the interiors
dry, typically consist of a plastic container in two halves, top half
holds the silica (or whatever hygroscopic stuff it is, i /think/ its
silica), the surface the silica sits on is pierced with lots of holes
so excess moisture can drain from the silica into the remainder of
the plastic container.
You have to change the hygroscopic material every now and then, but
other than that they're fairly failure proof.
Paul Jakma paul at clubi.iepaul at jakma.org Key ID: 64A2FF6A
Of course you can't flap your arms and fly to the moon. After a while you'd
run out of air to push against.
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