[PSUBS-MAILIST] Fw:

[T Novak via Personal_Submersibles]

Thanks, James.

Looks interesting.  Not sure if it's breathing gas appropriate.  Worth looking into further, though.

Tim

 

From: Personal_Submersibles [mailto:personal_submersibles-bounces at psubs.org] On Behalf Of James Frankland via Personal_Submersibles
Sent: Monday, June 13, 2016 4:25 AM
To: Personal Submersibles General Discussion <personal_submersibles at psubs.org>
Subject: Re: [PSUBS-MAILIST] Fw:

 

Google a compressor called "Shoebox".  Not sure if it could be adapted for subs as I seem to recall it needs a pressurised feed, but its really small and pumps to 300bar.

 

 

 

On 13 June 2016 at 06:34, T Novak via Personal_Submersibles <personal_submersibles at psubs.org <mailto:personal_submersibles at psubs.org> > wrote:

Alan,

8L/min/person at rest per DAN.   7.5L/min/person at rest per tech article "A Guide to Breathing Rates in Confined Environments".  These two are at 1atm.  The SportSub Training Manual states 80cfm for two persons and 120cfm for three, which is about 37.7L/min for two, which is close to Herve's quote.  Anyway, the design calls for two compressors each capable of providing sufficient airflow for two resident plus one visiting occupants.  The more the better unless the hiss cannot be easily muffled.

Brownies make intriguing hookahs, but they are meant to feed demand second stage regulators.  They could likely be modified to freeflow.  I would think that even vegetable oil has to be filtered out if not prevented entirely from the breathing gas.

Tim

 

From: Personal_Submersibles [mailto:personal_submersibles-bounces at psubs.org <mailto:personal_submersibles-bounces at psubs.org> ] On Behalf Of Alan James via Personal_Submersibles
Sent: Sunday, June 12, 2016 7:01 PM
To: Personal Submersibles General Discussion <personal_submersibles at psubs.org <mailto:personal_submersibles at psubs.org> >
Subject: Re: [PSUBS-MAILIST] Fw:

 

Tim,

is that 8 liters per minute per person?

I was told by Herve Jaubert that it was 20 liters for an ambient submarine,

would have thought a habitat would be similar.

You could Google Hookah's ( not to be confused with Hooker's) & see what

compressors / pumps they are using. I think dive compressors run on vegetable oil.

Cheers Alan

 


  _____  


From: hank pronk via Personal_Submersibles <personal_submersibles at psubs.org <mailto:personal_submersibles at psubs.org> >
To: Personal Submersibles General Discussion <personal_submersibles at psubs.org <mailto:personal_submersibles at psubs.org> > 
Sent: Monday, June 13, 2016 12:32 PM
Subject: Re: [PSUBS-MAILIST] Fw:

 

Tim,

I would think you need some sort of diaphragm pump.

Hank

 

 

On Sunday, June 12, 2016 1:32 PM, T Novak via Personal_Submersibles <personal_submersibles at psubs.org <mailto:personal_submersibles at psubs.org> > wrote:

 

Could this compressor be used for breathing air, or would the compressed air be contaminated with oil?  I am trying to source a low pressure high volume air source (8L/min/pax for the habitat at 21fsw.

Tim

 

From: Personal_Submersibles [mailto:personal_submersibles-bounces at psubs.org] On Behalf Of hank pronk via Personal_Submersibles
Sent: Sunday, June 12, 2016 11:51 AM
To: Personal Submersibles General Discussion <personal_submersibles at psubs.org <mailto:personal_submersibles at psubs.org> >
Subject: [PSUBS-MAILIST] Fw:

 

your right Cliff, my mistake it is a compressor.

Hank

 

On Sunday, June 12, 2016 12:49 PM, xxx xxxxx <mp13 at live.ca <mailto:mp13 at live.ca> > wrote:

 

VoltAirMaxxx 480C Pewter 200psi Air Compressor Air Bag Suspension Horn System

 

http://www.ebay.com/itm/VoltAirMaxxx-480C-Pewter-200psi-Air-Compressor-Air-Bag-Suspension-Horn-System-/371192779795?hash=item566cd05413:g:qsYAAOSwg3FUa38g <http://www.ebay.com/itm/VoltAirMaxxx-480C-Pewter-200psi-Air-Compressor-Air-Bag-Suspension-Horn-System-/371192779795?hash=item566cd05413:g:qsYAAOSwg3FUa38g&vxp=mtr> &vxp=mtr 

 

 

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