[PSUBS-MAILIST] Gamma test apparatus

[Alan via Personal_Submersibles]

Sounds interesting Hank, 
does the motor turn off from the timer or do you have to do that manually.
You could add a water sensor to the system so it would raise the sub if there 
was a significant leak. 
Alan

Sent from my iPad

> On 6/07/2016, at 11:58 am, hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
> 
> Today I built a frankenstein looking  auto surfacing device.  I have a simple mechanical timer rigged with electrical contacts.  I have an electric gear head motor connected to the timer.  The motor has a cam mechanism that actuates a HP air valve that supplies air to the MBT's .  If this system fails, I still have my 5\16 "string" connected to raise the sub.
> Hank
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