Re: [PSUBS-MAILIST] Removing water vapor

["Jens Laland" <laland@artematrix.org>]

Hi...

I wonder if anyone could share their experience with condensation in
relation to electrical systems inside small personal submarines.

My main concern is (periodic) failures due to moisture inside electronic
circuits, and how can we minimize those problems in home-built equipment?

I have discussed this with David, and he told me his view on "potting"
(something I will actually try out with a computer, ie. submerge it in oil).

However, I'm not quite sure what do with the various electro-mechanical
components such as rotary switches, etc.

What I do know (from studying various midget submarine operations during
World War 2) is that those guys considered the moisture/condensation to
be a major problem in relation to electric switch gears.

Having said this, I still think Frank is right when he says it's not a big
problem if your diving a K boat and staying down for an hour or less.
This is probably also more true in a milder climate than we normally have
here in Norway.

Best regards,
Jens Laland




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