[PSUBS-MAILIST] amp draw

[James Frankland via Personal_Submersibles]

hmm, sounds interesting.  Can you send me a link?  They would have to be ok
in salt water though.  But could test them or maybe modify?

On 22 June 2016 at 13:26, hank pronk via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> James,
> Nice boat, I like the tender on back.   The cabin is a very nice feature.
> The solenoid system is simply air\water solenoid vents.  They amount
> directly to the MBT so there is no chance of an air trap in a line.  As
> Alan pointed out, there may be an issue with salt water.  I am sure there
> is a creative way to overcome that though.  You just screw them on and run
>  a couple of wires, it is that easy.
> Hank
>
>
> On Wednesday, June 22, 2016 5:54 AM, James Frankland via
> Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>
>
> Hank, can you elaborate on the solenoid system?  Sounds interesting.
>
> Check out my new boat to be used as submarine tender.  Im fed up with
> begging other people to help on dive days.
>
> Whilst its not the biggest boat for subbing, its convenient and also good
> for the odd day trip and fishing etc as well....
>
>
> ​
>
>
>
> On 22 June 2016 at 12:17, hank pronk via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
> Alan,
> I am not calling the guards Kort nozzles because a Kort nozzle is a
> precision made part intended to boost performance.  What I have is a random
> size heavy wall short piece of pipe around the prop with a layer of ss to
> extend the coverage.  I removed the ss layer so the prop is open just to
> see what happens.  The motor performance is good-the prop noise just needs
> to be investigated.  The new cartridge seals are a dream.
> I am welding on permanent MBT bottom vent extensions today.  When I
> installed the solenoid vents, I removed my temporary vent extensions
> thinking I did not need them.  Turns out the vent extensions are crucial.
> I ended up only putting two solenoids on the front of the rear tanks as
> well as a vent line to take care of that pesky little  air trap in front of
> the vertical thrusters.  The whole venting system works like a charm now.
> I have to say, I sure like the solenoid system-it would work nicely on a K
> sub also.
> Hank
>
>
> On Tuesday, June 21, 2016 8:49 PM, Alan James via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
>
> Hank,
> Good thinking, looking at the original wires.
> Were you basing calculations on a marine wire gauge chart? They are a lot
> more liberal.
> I believe the kort nozzles put more load on your motor, in case that has
> anything to do
> with performance.
> Alan
>
>
>
> ------------------------------
> *From:* hank pronk via Personal_Submersibles <
> personal_submersibles at psubs.org>
> *To:* Personal Submersibles General Discussion <
> personal_submersibles at psubs.org>
> *Sent:* Wednesday, June 22, 2016 10:47 AM
> *Subject:* [PSUBS-MAILIST] amp draw
>
> Hi Alan,
> I rearranged my electrical system to 48 volts and my motors are now
> running in the sweet spot for amperage 12.5 each.  That was my target- I am
> basing the required amp draw by the original wire size in the motor
> penetrator.
> Hank
>
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