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Re: [PSUBS-MAILIST]

Thanks Alan, will give them a call.
 
Rick P.

From: Alan James
Sent: Friday, August 05, 2011 9:12 AM
Subject: Re: [PSUBS-MAILIST]

Hi Rick,
The volume doesn't come into play with regard to the amount of CO2
absorbant. It does come into play with regard to the size of the scrubber fan.
My CO2 absorbant is sofnolime from "Molecular products". If you email them
they have a program & will calculate for you how many times per hour the
air needs to cycle through the scrubber, based on your hull size, to maintain a
reasonable level of CO2.
I beleive a 80cm computer fan is sufficient (less than $10-). There is info on
building scrubbers on the Psub site.
My absorbant lasts about 9 hours per kilo.
Regards Alan
 
----- Original Message -----
From: Land N Sea
Sent: Saturday, August 06, 2011 6:06 AM
Subject: Re: [PSUBS-MAILIST]

The volume would come into play to factor how much soda sorb to have onboard correct?
 
Rick

Sent: Thursday, August 04, 2011 11:36 AM
Subject: RE: [PSUBS-MAILIST]

Correct, and the volume of the hull would not really affect the calculation.


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From: owner-personal_submersibles@psubs.org [mailto:owner-personal_submersibles@psubs.org] On Behalf Of ojaivalleybeefarm @dslextreme.com
Sent: Thursday, August 04, 2011 5:25 PM
To: personal_submersibles@psubs.org
Subject: Re: [PSUBS-MAILIST]

Isn't it about one liter per person per hour ?

On Thu, Aug 4, 2011 at 1:36 PM, Land N Sea <landnsea1@hawaiiantel.net> wrote:
I am building a K-350 and am trying to figure out how many cubic feet of 02 I will need to have on board to support 2 people for 72 hours. My hull ID is 36" and I am using a length of 7.5 feet long to include the end caps.
The conning tower is 23" ID X 18" to include the hatch. I came up with 57.32 cu ft. Is this correct and if so, can someone tell me how many cu ft of 02 I would need to carry based on the average aspiration rate of two people?
 
Thanks
 
Rick P.