Re: [PSUBS-MAILIST] life support method?

["Sean T. Stevenson" <ststev@uniserve.com>]

- automated operation
- passive informational display
- ability to override everything manually, if necessary

I think we're all on the same page.

-Sean


On Sat, 05 Aug 2000 13:06:21 -0400, Chris Horne wrote:

>I should probably explain my idea a little better. I imagined the CO2 and barometric
>pressure sensors to only be for informational purposes- to give the operator a little
>more information that just O2 and not be used for O2 control.  I assumed the scrubber
>fan would always be on; it would be part of the air circulation within the sub. I also
>assumed that there would be either a) redundant O2 sensors, which would be averaged or
>both monitored for out of range errors or b) completely redundant systems.
>
>I agree- simpler is usually better- I just don't want to get caught up doing something
>and forget about the O2 addition (I don't know what I'd be doing- the only sub trips I
>ever take is in my sub in my head :). If designed correctly, an automatic O2
>compensator would be easy and efficient to operate, as well as robust. More of a
>system that simply requires less input from the operator, and gives stats on current
>conditions (O2, CO2, air pressure, temp, etc), and let the operator decide the best
>course of action.
>
>-chris
>
>"Sean T. Stevenson" wrote:
>
>> Although the ambient CO2 level is useful information, I don't think it
>> needs to be an integral part of the scrubbing system, simply due to the
>
>