[PSUBS-MAILIST] Manual Scrubber

[James Frankland via Personal_Submersibles]

Hi Jon

did you get my email about the manual scrubber?  I sent it to your jon at psubs
address?
Thanks
James

On Fri, 25 Jun 2021 at 12:44, Steve McQueen via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> James, can you send me an email outside the discussion @ psub101 at gmail.com?
> I thought I had your direct email but can't seem to find it.
> Thanks,
> Steve
>
> On Tue, Jun 22, 2021 at 9:43 AM James Frankland via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
>> Hi Jon,
>>
>> I'll send you all the details of where everthing came from and how i put
>> it together.  Will have to do this later.
>>
>> REgards
>> James
>>
>> On Tue, 22 Jun 2021 at 12:57, Jon Wallace via Personal_Submersibles <
>> personal_submersibles at psubs.org> wrote:
>>
>>> I agree with Steve, would be a nice addition to the Community Project
>>> page.  Seems pretty intuitive in terms of putting it together but can you
>>> send me a list of where you sourced the parts?  Part numbers if you have
>>> them?
>>>
>>> Jon
>>>
>>> On Sunday, June 20, 2021, 04:09:01 PM EDT, Steve McQueen via
>>> Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>>>
>>>
>>> James, good info. Maybe this is a good project to document and put on
>>> the Psub site?
>>> Steve
>>>
>>> On Sun, Jun 20, 2021, 2:34 PM James Frankland via Personal_Submersibles <
>>> personal_submersibles at psubs.org> wrote:
>>>
>>> Hi all.
>>> Ive been experimenting with various manual "breath through" scrubbers
>>> for use in an emergency, and i have finally come up with a solution that
>>> works for me.
>>>
>>> Ive been testing an anesthesia scrubber cartridge.  This has turned out
>>> really well.
>>>
>>> Previously I made breathing tubes and masks that utilized the main
>>> scrubber, but the trouble is that they were all too difficult to breath
>>> through.  I made one with a battery electric fan to assist in breathing and
>>> even one with a CPR bulb in line to assist.  Nothing really worked, but
>>> this new one is really good.
>>>
>>> Its a cartridge for an anesthesia machine and has spherical balls on CO2
>>> absorbent which makes it easy to breath through.  I used various different
>>> masks until i got one that was easy enough to adapt to the hose and
>>> comfortable.
>>>
>>> I only did half an hour as it was so hot, but I got cabin CO2 from
>>> 5000ppm to 600ppm I think.  The main scrubber was on, but obviously the
>>> manual one was taking the most of it.
>>>
>>> Anyway, I feel much more confident I can control CO2 in an emergency now.
>>>
>>> If anyone is interested, i can send more details of the parts used and
>>> modifications, which were super simple.
>>>
>>> Pic attached and a video of me using it.  Skip to 7:35 for the manual
>>> scrubber test.
>>>
>>> Regards
>>> James
>>>
>>> https://www.youtube.com/watch?v=yyHlPgrN57Q
>>>
>>>
>>> [image: 20210619_170803.jpg]
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