Re: Insulation inside the sub

["Marsee Skidmore" <heyred@email.msn.com>]

Yes, another good reason not to have a viewport. Jon is correct that heating
and cooling is a vicious power sucker, and Thermoelectric, aka, Peltier (sp)
Module, aka, Mr. Coffee is even more so. Best to wipe your viewport with the
non-fur side of your bikini. :-o Joe

-----Original Message-----
From: Dick Morrisson <rmorrisson@unidial.com>
To: personal_submersibles@psubs.org <personal_submersibles@psubs.org>
Date: Tuesday, July 06, 1999 10:19 PM
Subject: Insulation inside the sub


>Insulation will help reduce condensation on the inside surfaces of the
hull,
>but the dome and/or view ports will still have condensation unless the air
>inside is dried to the dew point of the water temperature they are exposed
>to.  Is there a standard dehumidifier available and in general use for
small
>subs?  Can the air being circulated past the CO2 absorbers be run past a
hull
>surface at a slightly higher pressure to allow it to condense and dry it
out
>before scrubbing it?  Does the effectiveness of the scrubber vary with
>relative humidity?  Perhaps even a small refrigeration unit could cool the
>air being circulated to dry it then add the heat back in to bring it up to
>normal temperature before scrubbing.  These units are very efficient and
>reliable, some are even single chip electronic types.  Thoughts from the
>group?
>Dick Morrisson
>
>