[PSUBS-MAILIST] Sub hot water bottle.

[Alan James via Personal_Submersibles]

James,have attached a diagram of it, in case it helps.Alan


      From: James Frankland via Personal_Submersibles <personal_submersibles at psubs.org>
 To: Personal Submersibles General Discussion <personal_submersibles at psubs.org> 
 Sent: Wednesday, September 23, 2015 2:53 AM
 Subject: Re: [PSUBS-MAILIST] Sub hot water bottle.
   
Hi Alan,I was just looking at that regulator.  It has a max inlet pressure of 20 bar.   Unless im missing something isn't a normal scuba regulator a better option? James


On 22 September 2015 at 09:53, James Frankland <jamesf at guernseysubmarine.com> wrote:

Hi Alan, Interesting idea.  Looks good.  I might put that on my list of winter modifications. Agree, the water bottle looks a bit amateur, but I think it will be ok and i'll hide it out of the way.   James
On 21 September 2015 at 21:05, Alan James via Personal_Submersibles <personal_submersibles at psubs.org> wrote:

James,Cliff is using this regulator as a compensating device.http://ph.parker.com/us/en/stainless-steel-pressure-regulator-pr354-pr364-series-miniature
I intend to use it also. You attach it to your air line & dial in your required overpressure.It has a hole in the handle spindle that enables the regulator to keep theset pressure above ambient & also exhaust any over pressure as you ascend.The idea is to mount it with the handwheel facing down to avoid any water getting in the system,& additionally as a caution run a tube down off it.You can either fill your motor with oil; in which case any oil expansion can run up the length oftubing from the regulator to the motor, or just air compensate.Untried apart from one dive by Cliff.Looks more proffesional than a hot water bottle:)Cheers Alan

      From: James Frankland via Personal_Submersibles <personal_submersibles at psubs.org>
 To: Personal Submersibles General Discussion <personal_submersibles at psubs.org> 
 Sent: Tuesday, September 22, 2015 1:31 AM
 Subject: [PSUBS-MAILIST] Sub hot water bottle.
   
This is my new bladder for the aft motor.  The old one was relying on the fuel bulb to act as the bladder, but I had the should provide a much better bladder.
The small wheelbarrow inner tube was an alternative idea.   RegardsJames
​
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