[PSUBS-MAILIST] Speed controllers

Tue Apr 19 22:24:31 EDT 2016

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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