[PSUBS-MAILIST] (no subject)

[Alan via Personal_Submersibles]

Hank,
is that your family on the table?
Alan

> On 20/12/2018, at 11:15 AM, hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
> 
> Hi All,
> Here is a picture of my new air powered MBT vent valves.  I was inspired by Alec's valves.  The blue part is bolted to the outside of the MBT with the air cylinder inside the MBT .  When air pressure is applied the air cylinder pushes itself away from the blue vent disk.  Very simple to make and cheap.
> Hank
> 
> ----- Forwarded Message -----
> From: hank pronk <hanker_20032000 at yahoo.ca>
> To: hank pronk <hanker_20032000 at yahoo.ca>
> Sent: Wednesday, December 19, 2018, 3:10:08 PM MST
> Subject:
> 
> 
> 
> 
> 
> Sent from my iPhone
> <IMG_0250.jpg>
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