Re: Acrylic viewing dome

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

Lithium Hydroxide absorbs CO2. If you can find out where to buy it, let us
know. Make-up O2 can be provided by metering valve, sensitive demand
regulator, or any of a number of Rube Goldberg set-ups of partial pressure
sensors and solenoid valves. :-o Joe
-----Original Message-----
From: Dave Everett <deverett@idx.com.au>
To: personal_submersibles@psubs.org <personal_submersibles@psubs.org>
Date: Thursday, March 12, 1998 8:14 PM
Subject: Re: Acrylic viewing dome


>At 07:36 PM 11-03-98 -0800, you wrote:
>>
>> Also to the people building dry subs, how do you regulate the fresh air
>>supply and internal pressure? I've spent many sleepless nights thinking
>>about it (it's better than counting sheep) and have come up with a way
>>to do it but I probably just re-invented the wheel.
>>
>This is an area I haven't given too much thought to yet. I was planning to
use
>a system like rebreathers, with a scrubber and a small oxygen cylinder,
>although I'm not sure how to vent excess Co2. I might have a better idea
>after I do my rebreather course later this month.
>
>Dave Everett.
>
>