[PSUBS-MAILIST] (no subject)

[Rick Patton via Personal_Submersibles]

Hank,
How can you support the negative weight of the sub and also activate the
valve for the hp Co2 with the same 1/4" line?
Rick

On Thu, Jul 2, 2020 at 10:10 AM hank pronk via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> Yes the air source is a hp CO2 tank at 2000 psi
>
> Sent from my iPhone
>
> On Jul 2, 2020, at 2:08 PM, hank pronk <hanker_20032000 at yahoo.ca> wrote:
>
> Rick. I lower the sub on a 1/4 inch poly yellow rope. That same line
> activates the ball valve to send air to the MBT.  No regulators needed. I
> just send air at 2000 psi to the MBT
> Hank
>
> Sent from my iPhone
>
> On Jul 2, 2020, at 11:54 AM, Rick Patton via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
> 
> Hank, is the air source a scuba tank on the outside of the sub with an
> valve to the second stage port of the first stage so you would get 150 psi
> over bottom? and is the 1/4" line that floats and unspools freely for just
> the valve to the air source if you need it? and do you have a larger line
> that you are lowering and raising the sub with?
> Rick
>
> On Thu, Jul 2, 2020 at 7:32 AM hank pronk via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
>> Rick, my system uses an air supply to raise the sub.  I just vent all the
>> air with hose extensions to one location incase the waves are big.  Then I
>> lower the sub maybe 10 to 20 lbs negative on a small nylon rope (1\4 inch)
>>  The rope is on a floating spool, so it just feeds out as the sub sinks.
>> Okay Alec, as it submerges.    After one hr on the bottom, I pull on the
>> rope, witch is connected to a spring loaded ball valve that releases air
>> into the MBT's.  The rope can only pull the valve to full open, and then it
>> hits a stopper.  If something is wrong, the rope can pull the sub up to the
>> surface.
>> Hank
>>
>> On Thursday, July 2, 2020, 11:09:37 AM MDT, Rick Patton via
>> Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>>
>>
>> Hank
>> When you pressure tested it in the lake, did you just make it
>> slightly negative and lower it by hand?  did you have drop weights set up
>> or a lift bag you could fill it she started taking on water and was too
>> heavy to pull her back up by hand?
>> Rick
>>
>> On Thu, Jul 2, 2020 at 2:01 AM hank pronk via Personal_Submersibles <
>> personal_submersibles at psubs.org> wrote:
>>
>> Hi Rick,
>> I built this sub originally in 2013 and put it in storage when I bought
>> Gamma.  It was in the testing stage and had some stability issues.  I
>> stripped parts off it to use in other projects.  When we decided to self
>> isolate, I needed a project to help pass time, so I pulled it out from
>> under the tarp and made a big modification to it, to solve the stability
>> problem.  I pressure tested it a couple weeks ago to 450 feet  at a local
>> lake.  I intend to pressure test it again, but to 600 feet.  It is turning
>> out to be a very easy and cheap sub to build.  In fact, I am confident I
>> could build a new one in one month, it is that simple.   Also, I am
>> confident it can be built for under 10K.
>> Hank
>>
>> On Wednesday, July 1, 2020, 11:55:52 AM MDT, Rick Patton via
>> Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>>
>>
>> Has this one been in the water or depth tested yet? What is it's working
>> depth? Hard to keep track as you have so many projects going on!
>> Rick
>>
>> On Wed, Jul 1, 2020 at 6:29 AM T Novak via Personal_Submersibles <
>> personal_submersibles at psubs.org> wrote:
>>
>> Looks good, Hank.  Looking forward to seeing it under water.
>>
>>
>>
>> Tim
>>
>>
>>
>> *From:* Personal_Submersibles [mailto:
>> personal_submersibles-bounces at psubs.org] *On Behalf Of *hank pronk via
>> Personal_Submersibles
>> *Sent:* Wednesday, July 1, 2020 5:03 AM
>> *To:* Personal Submersibles General Discussion <
>> personal_submersibles at psubs.org>
>> *Subject:* [PSUBS-MAILIST] (no subject)
>>
>>
>>
>>
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