Re: Insulation inside the sub

[Dick Morrisson <rmorrisson@unidial.com>]

I'd have to be a real contortionist to get that up to the viewport!

Marsee Skidmore wrote:

> 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
> >
> >