<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>Does anyone know much about the Deep Worker scrubbers?</div><div>The new ones aren't cylindrical, they are an oblong shape that fits the contour</div><div>of the subs hull either side of your legs. There are 2 of them with fans on the front. </div><div>I cant see how you would change out the absorbent during a dive as there would </div><div>not be much room when you are in there. Or do they hold the full amount in both of them.</div><div>If this is so, I presume they run one at a time, so is the redundant scrubber sealed</div><div>in any way prior to use?</div><div>Alan <br><br>Sent from my iPad</div><div><br>On 17/08/2016, at 10:12 am, Scott Waters via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br><br></div><blockquote type="cite"><div><meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<div>This is for Pisces VI. With rescue missions easily taking 2 to 3 days to assymble, I wanted the extra allowance. There is enough space in the cockpit to handle the extra sorb. On Trustworthy, it is a different story. Lol</div><div><br></div><div>Thank you,</div><div>Scott Waters</div><div><br></div><div><br></div><div><br></div><div id="composer_signature"><div style="font-size:85%;color:#575757">Sent from my U.S. Cellular® Smartphone</div></div><br><br>-------- Original message --------<br>From: Alec Smyth via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> <br>Date: 08/16/2016 5:03 PM (GMT-06:00) <br>To: Personal Submersibles General Discussion <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> <br>Subject: Re: [PSUBS-MAILIST] CO2 Sorb <br><br><div dir="ltr">I'm not sure how you're doing with your weight budget, but the Sodasorb weight really can become a space and weight issue when smaller boats go for compliance with the 72 hour rule. I know there's a competing product that's something like a pre-impregnated fabric instead of granules. Sorry, I can't recall the brand name. But it would be interesting to compare the weight and volume implications.<div><br></div><div><br></div><div>Thanks,<br><br>Alec</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Aug 16, 2016 at 3:54 PM, via Personal_Submersibles <span dir="ltr"><<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">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<br>
*400 cuft O2 outside hull emergency use (five 80cuft tanks)<br>
*160-81 cuft O2 inside hull for up to 8hr mission use (two 80cuft bottles allowing for full discharge)<br>
*144 lbs sodasorb emergency use (three 48lb jugs)<br>
*12 lbs sodasorb for up to 8hr mission use (two scrubbers loaded)<br>
<br>
Thank you,<br>
Scott Waters<br>
<span class=""><br>
> -------Original Message-------<br>
> From: Cliff Redus via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.<wbr>org</a>><br>
> To: Personal Submersibles General Discussion <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.<wbr>org</a>><br>
> Subject: Re: [PSUBS-MAILIST] CO2 Sorb<br>
</span><div><div class="h5">> Sent: Aug 16 '16 14:14<br>
><br>
> Scott, ABS uses a value of 0.115 lbm CO2 generated per hour per<br>
> occupant. Sotasorb HP specification says it can absorb 41% CO2 by<br>
> weight. This comes out to 3.56 Persons-hours per pound of SodaSorb HP<br>
> which is close the number Alec posted. ABS rules call for full life<br>
> support for 72 hours plus normal duty time. If you assume normal duty<br>
> time is 8 hours, then the life support system would need to last for<br>
> 80 hours. For one person this would give 22.5 lbs of SodaSorbHP and<br>
> for two, 45 lbs for this duration.<br>
><br>
> Actual consumption rate is dependent on a lot of parameters, such as<br>
> temperature, humidly, mass of occupants and design of scrubber to<br>
> mention just a few.<br>
><br>
> Cliff<br>
><br>
> On Tue, Aug 16, 2016 at 11:02 AM, via Personal_Submersibles<br>
> <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.<wbr>org</a>> wrote:<br>
><br>
> > Hey guys, Just doing a safety check. What is the rough amount of CO2<br>
> > sorb that is needed per occupant per day (normally measured in<br>
> > weight)? I have a 48lb jug in Trustworthy which I know is enough for<br>
> > 2 people for 3 days. I am just planning on putting it in premeasured<br>
> > sealed bags for better storage and was wondering about how much does<br>
> > it actually take.<br>
> ><br>
> > Thank you,<br>
> > Scott Waters<br>
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