[PSUBS-MAILIST] Sub hot water bottle.

[James Frankland via Personal_Submersibles]

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 the
>> set 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 of
>> tubing 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.
>>
>> Regards
>> James
>> ​
>>
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>
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