[PSUBS-MAILIST] CO2 Sorb

[Cliff Redus via Personal_Submersibles]

These numbers should work.

Cliff

On Tue, Aug 16, 2016 at 2:54 PM, via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> Thanks Cliff. I was also running the numbers on Pisces VI. We will have
> the following for 1 pilot and 3 observers for a 8 hour mission time and 5
> day emergency use
> *400 cuft O2 outside hull emergency use (five 80cuft tanks)
> *160-81 cuft O2 inside hull for up to 8hr mission use (two 80cuft bottles
> allowing for full discharge)
> *144 lbs sodasorb emergency use (three 48lb jugs)
> *12 lbs sodasorb for up to 8hr mission use (two scrubbers loaded)
>
> Thank you,
> Scott Waters
>
> >  -------Original Message-------
> >  From: Cliff Redus via Personal_Submersibles <
> personal_submersibles at psubs.org>
> >  To: Personal Submersibles General Discussion <
> personal_submersibles at psubs.org>
> >  Subject: Re: [PSUBS-MAILIST] CO2 Sorb
> >  Sent: Aug 16 '16 14:14
> >
> >  Scott, ABS  uses  a value of 0.115 lbm CO2  generated per hour per
> >  occupant.  Sotasorb HP specification says it can absorb 41% CO2 by
> >  weight.  This comes out to 3.56 Persons-hours per pound of SodaSorb HP
> >  which is close the number Alec posted.  ABS rules call for full life
> >  support for 72 hours plus normal duty time.  If you assume normal duty
> >  time is 8 hours, then the life support system would need to last for
> >  80 hours.  For one person this would give 22.5 lbs of SodaSorbHP and
> >  for two, 45 lbs for this duration.
> >
> >  Actual consumption rate is dependent on a lot of parameters, such as
> >  temperature, humidly, mass of occupants and design of scrubber to
> >  mention just a few.
> >
> >  Cliff
> >
> >  On Tue, Aug 16, 2016 at 11:02 AM, via Personal_Submersibles
> >  <personal_submersibles at psubs.org> wrote:
> >
> >  > Hey guys, Just doing a safety check. What is the rough amount of CO2
> >  > sorb that is needed per occupant per day (normally measured in
> >  > weight)? I have a 48lb jug in Trustworthy which I know is enough for
> >  > 2 people for 3 days. I am just planning on putting it in premeasured
> >  > sealed bags for better storage and was wondering about how much does
> >  > it actually take.
> >  >
> >  > Thank you,
> >  > Scott Waters
> >  > _______________________________________________
> >  > Personal_Submersibles mailing list
> >  > Personal_Submersibles at psubs.org
> >  > http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles
> >
> >  -------------------------
> >  _______________________________________________
> >  Personal_Submersibles mailing list
> >  Personal_Submersibles at psubs.org
> >  http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles
> >
> _______________________________________________
> Personal_Submersibles mailing list
> Personal_Submersibles at psubs.org
> http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.whoweb.com/pipermail/personal_submersibles/attachments/20160816/a1245634/attachment.html>