[PSUBS-MAILIST] amp draw

[James Frankland via Personal_Submersibles]

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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