[PSUBS-MAILIST] Manual Scrubber

[James Frankland via Personal_Submersibles]

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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