[PSUBS-MAILIST] Nuytco visit
vbra676539 at aol.com
vbra676539 at aol.com
Thu Feb 6 08:10:50 EST 2014
In the North Sea, it was cold down there, but the air temps were often colder.
Vance
-----Original Message-----
From: JimToddPsub <JimToddPsub at aol.com>
To: personal_submersibles <personal_submersibles at psubs.org>
Sent: Thu, Feb 6, 2014 1:19 am
Subject: Re: [PSUBS-MAILIST] Nuytco visit
Come to think of it, it's already going to be cold before it ever goes into the water. The temp sitting on the barge isn't likely to be much different than it is at 1000 feet deep. Summertime is a different story. The only other things I can think of that would increase pressure would be a water leak, an internal air system leak, or the slight compression of the hull.
Jim
In a message dated 2/5/2014 11:32:03 P.M. Central Standard Time, vbra676539 at aol.com writes:
Let me think. Post testing results: Internal pressure--as set. Internal temperature after 3 hours in a Canadian lake in February. Hmm. Best estimate, cold, cold, fricking COLD!!!.
Vance
-----Original Message-----
From: JimToddPsub <JimToddPsub at aol.com>
To: personal_submersibles <personal_submersibles at psubs.org>
Sent: Wed, Feb 5, 2014 11:58 pm
Subject: Re: [PSUBS-MAILIST] Nuytco visit
Hey Hank,
Glad to hear you had an opportunity to drive to Vancouver and call on Dr. Phil. That's quite a drive, but a bit warmer there. Is Slocan Lake about six hours drive for you?
Do you have any plans for data logging during Gamma's tea bag test such as internal temp and presure?
Jim
In a message dated 2/5/2014 10:09:44 P.M. Central Standard Time, alanlindsayjames at yahoo.com writes:
Hi Hank,
It's Alan not Alec. I believe Alec did have some sort of system. He might
comment when he wakes up. I think I've heard of a second line being used to
open an air tank valve to blow the tanks. You would need a valve with a handle
on the air line.
You would't want to be on top of the sub when it hit the surface.
Another thought is that if you used the electronic system you could have an
electronic water sensor that additionally operated the system in case there was
a substantial leak.
Alan
From: hank pronk <hanker_20032000 at yahoo.ca>
To: Personal Submersibles General Discussion <personal_submersibles at psubs.org>
Sent: Thursday, February 6, 2014 4:45 PM
Subject: Re: [PSUBS-MAILIST] Nuytco visit
Alec,
Thank you, that is fantastic, exactly what I need. It is frightening spending so much time and money and letting it just sink away on a line. I will give you a call tomorrow after supper your time.
Hank
On Wednesday, February 5, 2014 8:34:00 PM, Alan James <alanlindsayjames at yahoo.com> wrote:
Hank,
I'm jealous of your visit to Nuytco, well done.
I have a few random ideas of what you could do for your back up system;
If you had solenoid valves on the air lines to your ballast tanks, then it would
be very easy to do. But that might cost you a few hundred & may be a problem
adding in retrospectively. A cheaper alternative may be buying 2 electric car door openers
http://www.ebay.com/itm/2-Heavy-Duty-Power-Door-Lock-Actuator-Motor-12-volt-For-Car-Door-Locks-Pair-/181311393943
& fit them so they can open the ballast valves slightly. If they aren't gutsy enough you could buy a couple of cheap linear actuators.Then buy a cheap electronic 12V DC timer. Like this one.
http://www.aliexpress.com/store/product/SINOTIMER-wholesale-Digital-Programmable-12V-DC-Timer-Switch-Control-Free-Shipping/108414_628368568.html
& wire it up. Make sure it's moisture proofed. Alternatively I don't see why you couldn't use a mains power timer if you have one.
I take no responsibility if Gamma is lost.
Regards Alan
From: hank pronk <hanker_20032000 at yahoo.ca>
To: Personal Submersibles General Discussion <personal_submersibles at psubs.org>
Sent: Thursday, February 6, 2014 3:06 PM
Subject: [PSUBS-MAILIST] Nuytco visit
While I wait for warmer weather to deep test my Gamma sub, I decided to drive out to Vancouver and visit Dr Nuytten and see all the wonderful subs. Dr Nuytten was kind enough to spend the better part of the morning showing me DW's and some mature subs as well. I had a great time listening to fascinating stories and seeing how the big boys do things.
Thank you Dr Nuytten.
I plan to haul my barge to Slocan lake where the water depth is 970 feet in a week or so. I will lower Gamma with a steel cable and retrieve it 1hr later. I would like a back up, some way for a timer to tell Gamma it is time to come home. Any ideas would help, I have never tried putting a backup together.
Hank
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