[PSUBS-MAILIST] Speed controllers

Thu May 5 15:33:14 EDT 2016

Hi Cliff,

It appears the MK controller will do just what I need it to, but there is
one detail that has be a bit concerned. From what I see it appears the main
motor current is all going through a single spade connector. Close to 50
amps through one of those little guys is a lot, and the connectors
themselves don't take very fat cables. Have you had any issues with that?

Thanks,

Alec

On Tue, Apr 19, 2016 at 10:38 PM, via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

>
> http://m.ebay.com/itm/MINN-KOTA-TRAXXIS-TROLLING-MOTOR-MAIN-CONTROL-BOARD-PN-2184017-OR-2184027-/371336409933
>
> Standard part that can be ordered just about everywhere.  Shows up on eBay
> quite often.  MK part no.  is 2184017.
>
>
> Cliff Redus
>
> On Apr 19, 2016, at 9:24 PM, Alec Smyth via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
> Thanks Cliff. Is the controller a component you pulled from inside the MK
> trolling motor or is it a standalone product? I did a few searches and have
> not turned up anything standalone. I do have such a unit (really old) but
> it's for a way lower-powered motor than the 101s.
>
> Best,
>
> Alec
>
> On Tue, Apr 19, 2016 at 9:58 PM, via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
>> Alan/Alec, I use Minn Kota 36v controllers for each of my 4 thrusters.
>> They have worked great.  They are potted and rugged.  They have an internal
>> relay with a dead band around 2.5v signal voltage.  This means that
>> absolutely no current flows even if you left the motor controller powered
>> up while in the garage.
>>
>> My previous motor controller for my big traction motor was from Curtis.
>> This worked great but generated a high pitch noise that was irritating.
>>
>>
>> Cliff Redus
>>
>> On Apr 19, 2016, at 6:35 PM, Alan James via Personal_Submersibles <
>> personal_submersibles at psubs.org> wrote:
>>
>> What did Cliff use?
>> He has been through this process recently with a 101.
>> Alan
>>
>>
>> ------------------------------
>> *From:* Alec Smyth via Personal_Submersibles <
>> personal_submersibles at psubs.org>
>> *To:* Personal Submersibles General Discussion <
>> personal_submersibles at psubs.org>
>> *Sent:* Wednesday, April 20, 2016 11:12 AM
>> *Subject:* Re: [PSUBS-MAILIST] Speed controllers
>>
>> No, the one I was considering was not for brushless motors. It's the
>> Roboteq XDC2460, rated for 80A continuous duty per channel. But now I'm
>> looking at Kelly I really like what I'm seeing there too, and Curtis seems
>> to be similar. This will probably come down to a decision between a more
>> advanced  dual channel from Roboteq or a super simple single-channel
>> controllers from the likes of Curtis/Kelly. In general if the simpler one
>> can do the job, it's the one I would prefer even if it cost the same.
>>
>> Thanks guys for all the input!
>>
>> Alec
>>
>> On Tue, Apr 19, 2016 at 6:09 PM, Alan James via Personal_Submersibles <
>> personal_submersibles at psubs.org> wrote:
>>
>> Hi Alec,
>> that one says brushless?
>> On the Kelly faq page for selecting controllers it suggests.....
>> HOW TO CHOOSE A SUITABLE CONTROLLER FOR THE MOTOR?
>> Usually the performance will be optimized if the power of the controller
>> is 2.0-3.0 times of the motor's.
>>    I guess that means if you have a 2000W motor you get a controller
>> whose continual
>> amp rating X max voltage is at least 4000W.
>>    I have heard that it is better to aire on the safe side as some
>> manufacturers over rate
>> their controllers. Kelly have a reputation of being good & cheap, & their
>> ratings accurate,
>> however Hugh has had problems with them & I wired up mine yesterday & the
>> ON light
>> isn't working when powered up. I put power on it once without the
>> pre-ignition resister
>> so this may have stuffed it, but surely it wouldn't be so fickle!
>> Alan
>>
>>
>>
>>
>> ------------------------------
>> *From:* Alec Smyth via Personal_Submersibles <
>> personal_submersibles at psubs.org>
>> *To:* Personal Submersibles General Discussion <
>> personal_submersibles at psubs.org>
>> *Sent:* Wednesday, April 20, 2016 9:45 AM
>> *Subject:* [PSUBS-MAILIST] Speed controllers
>>
>> Hi all,
>>
>> I need to finalize my selection of speed controllers for Shackleton over
>> the next week or so, and at first blush am looking at this one from Roboteq:
>>
>>
>> http://www.roboteq.com/index.php/docman/motor-controllers-documents-and-files/documentation/datasheets/hbl23xx/59-hbl23xx-datasheet/file
>>
>> There will be two of them, each driving a pair of MK101 thrusters.
>> Roboteq offers a controller family that is a step down from this and still
>> handles the required amperage, and which is tempting because it's much less
>> expensive. However, the specs are too close for comfort (50A continuous
>> duty rating vs. MK101 requirement of 46A).
>>
>> Anyone have any suggestions for other cost-effective controllers to
>> consider?
>>
>>
>> Thanks,
>>
>> Alec
>>
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