[PSUBS-MAILIST] question

[Rick Patton via Personal_Submersibles]

What was the date and location in Florida of the Convention? I will make
this one as I would like to put some faces with the names and help out
however I can.

Rick

On Mon, Sep 29, 2025 at 12:21 PM Rick Patton <satwelder at gmail.com> wrote:

> I am using the dial that came with the motor, I just removed it from what
> it was mounted on and fabricated my own small box to put it in. I am not
> sure which one of the three is the wiper leg? It had been working in the
> past the few times I tried it.  Jon, do you remember who we bought our
> motors from and I will see if they would just sell the potentiometer.
>
> Rick
>
>
>
>
> On Mon, Sep 29, 2025 at 11:13 AM Cliff Redus via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
>> Rick sounds like a bad potentiometer.  Minn Kota controllers often have a
>> potentiometer on the controller.  The two outer legs are ground and 5 Vdc
>> signal from the motor controller, the third leg is the wiper leg, which is
>> used to send a 0-5 vdc signal the motor controller.  0 vdc is full speed in
>> one direction, 5 vdc is full speed in the opposite direction and 2.5 vdc is
>> the neutral position with no rotation.  There is a dead band around the 2.5
>> vdc level.  Check the wiper leg of the potentiometer with a multimeter and
>> confirm it is giving a 0-5 vdc signal as you rotate the potentiometer.  If
>> not replace it.
>>
>> Best
>>
>> On Monday, September 29, 2025 at 01:56:49 PM CDT, Rick Patton via
>> Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>>
>>
>> I am going through all the systems before her first launch and noted that
>> my starboard Minn-Kota thruster when energised goes full power in one
>> direction only and then stops quickly when the rheostat is rotated all the
>> way in one direction.  Any ideas on how to troubleshoot something like that?
>> I also bought a bottle of sika flex primer for installing the conical
>> viewport in the hatch which is a metal to acrylic situation and used first
>> before bedding the surface with the sika flex goopy and use about a
>> tablespoon of the $85 bottle and don't need it anymore so if anyone would
>> like it, you can have it.
>>
>> Rick
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>
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