[PSUBS-MAILIST] Motor Controllers.

Tue Feb 17 06:04:09 EST 2015

jamesf at Guernseysubmarine.com

On 16 February 2015 at 19:31, Hugh Fulton via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> Hi James,
>
> I would really like to follow up on this.  What is your  email.
>
> Thks,  Hugh
>
>
>
> *From:* Personal_Submersibles [mailto:
> personal_submersibles-bounces at psubs.org] *On Behalf Of *James Frankland
> via Personal_Submersibles
> *Sent:* Tuesday, 17 February 2015 12:06 a.m.
>
> *To:* Personal Submersibles General Discussion
> *Subject:* Re: [PSUBS-MAILIST] Motor Controllers.
>
>
>
> Hi all.
>
> I have a contact for a guy who makes custom motor controllers.  He mainly
> makes them for electric bikes and RC stuff, but he can do pretty much
> anything you want.  Custom made to your spec and they are cheap.
>
>
>
> I have 3 of his controllers custom made to my spec for my electric bikes.
> 50vdc 150amp nominal discharge rate with 300 amp peak.  They have been
> really good.  Contact me off list if anyone is interested.  Of course they
> are not waterproof.
>
>
>
> Regards
>
> James
>
>
>
> On 13 February 2015 at 22:38, Hugh Fulton via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
> Thanks Keith,  Have sent off an enquiry to Curtis.
>
>
>
> Regards,  Hugh
>
> *From:* Personal_Submersibles [mailto:
> personal_submersibles-bounces at psubs.org] *On Behalf Of *keith tollett via
> Personal_Submersibles
> *Sent:* Saturday, 14 February 2015 7:21 a.m.
> *To:* Personal Submersibles General Discussion
> *Subject:* Re: [PSUBS-MAILIST] Motor Controllers.
>
>
>
> Have you given thought to using electric car controllers? Curtis makes
> them in voltages ranging from 24-170 volts and are made for large amperage
> draws.
>
>
>
> Keith
>
>
>
> On Friday, February 13, 2015 12:36 AM, Alan James via
> Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>
>
>
> On the electronic speed controller subject Hugh; I have been reading about
>
> the length of wires from the battery to the esc causing problems.
>
> too long battery wires will kill ESC over time: precautions, solutions &
> workarounds - RC Groups
> <http://www.rcgroups.com/forums/showthread.php?t=952523>
>
> The long run of wires in a submarine would be particularly bad.
>
> I would be interested in any solution you may come across.
>
> Most of the RC escs only go up to 59V.
>
> Castle creations sells motors up to 10,000 watts so should have escs that
> would
>
> cover your 72 volt requirement. Just can't see them advertised. You would
> need to enquire.
>
> I think they will taylor make components for you.
>
> http://www.castlecreations.com/index.html
>
> They have a reputation in the RC World of producing top of the line stuff.
>
> Alan
>
>
>
>
> ------------------------------
>
> *From:* Hugh Fulton via Personal_Submersibles <
> personal_submersibles at psubs.org>
> *To:* 'Personal Submersibles General Discussion' <
> personal_submersibles at psubs.org>
> *Sent:* Friday, February 13, 2015 7:22 PM
> *Subject:* [PSUBS-MAILIST] Motor Controllers.
>
>
>
> Hi All,
>
>
>
> I am having problems with Kelly controllers but need small footprint 2 kw
> 72 volt BLDC controllers.
>
> Any recommendations for reliable units?
>
> Hugh
>
>
>
>
>
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