<div dir="ltr"><div>Hi all.</div><div>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. </div><div> </div><div>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.</div><div> </div><div>Regards</div><div>James</div></div><div class="gmail_extra"><br><div class="gmail_quote">On 13 February 2015 at 22:38, Hugh Fulton via Personal_Submersibles <span dir="ltr"><<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

<div lang="EN-US" vlink="purple" link="blue"><div><p class="MsoNormal"><span style="color:rgb(31,73,125);font-family:"Calibri","sans-serif";font-size:11pt">Thanks Keith,  Have sent off an enquiry to Curtis.<u></u><u></u></span></p><div><p class="MsoNormal"><span lang="EN-NZ" style="color:rgb(31,73,125);font-family:"Calibri","sans-serif";font-size:11pt"><u></u> <u></u></span></p></div><p class="MsoNormal"><span style="color:rgb(31,73,125);font-family:"Calibri","sans-serif";font-size:11pt">Regards,  Hugh<u></u><u></u></span></p><div><div style="border-width:1pt medium medium;border-style:solid none none;border-color:rgb(181,196,223) currentColor currentColor;padding:3pt 0cm 0cm"><p class="MsoNormal"><b><span style="font-family:"Tahoma","sans-serif";font-size:10pt">From:</span></b><span style="font-family:"Tahoma","sans-serif";font-size:10pt"> Personal_Submersibles [mailto:<a href="mailto:personal_submersibles-bounces@psubs.org" target="_blank">personal_submersibles-bounces@psubs.org</a>] <b>On Behalf Of </b>keith tollett via Personal_Submersibles<br><b>Sent:</b> Saturday, 14 February 2015 7:21 a.m.<span><br><b>To:</b> Personal Submersibles General Discussion<br></span><span><b>Subject:</b> Re: [PSUBS-MAILIST] Motor Controllers.<u></u><u></u></span></span></p></div></div><p class="MsoNormal"><u></u> <u></u></p><div><div><p class="MsoNormal" style="background:white"><span style="color:black;font-family:"Helvetica","sans-serif"">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.<u></u><u></u></span></p></div><div><div class="h5"><div><p class="MsoNormal" style="background:white"><span style="color:black;font-family:"Helvetica","sans-serif""><u></u> <u></u></span></p></div><div><p class="MsoNormal" style="background:white"><span style="color:black;font-family:"Helvetica","sans-serif"">Keith<u></u><u></u></span></p></div><div><p class="MsoNormal" style="background:white;margin-bottom:12pt"><span style="color:black;font-family:"Helvetica","sans-serif""><u></u> <u></u></span></p></div><div><div><div><div><p class="MsoNormal" style="background:white"><span style="color:black;font-family:"Arial","sans-serif";font-size:10pt">On Friday, February 13, 2015 12:36 AM, Alan James via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>> wrote:</span><span style="color:black;font-family:"Helvetica","sans-serif""><u></u><u></u></span></p></div><p class="MsoNormal" style="background:white;margin-bottom:12pt"><span style="color:black;font-family:"Helvetica","sans-serif""><u></u> <u></u></span></p><div><div><div><div><div><p class="MsoNormal" style="background:white"><span style="color:black;font-family:"Helvetica","sans-serif"">On the electronic speed controller subject Hugh; I have been reading about<u></u><u></u></span></p></div><div><p class="MsoNormal" style="background:white"><span style="color:black;font-family:"Helvetica","sans-serif"">the length of wires from the battery to the esc causing problems.<u></u><u></u></span></p></div><div><p class="MsoNormal" style="background:white"><span style="color:black;font-family:"Helvetica","sans-serif""><a href="http://www.rcgroups.com/forums/showthread.php?t=952523" target="_blank">too long battery wires will kill ESC over time: precautions, solutions & workarounds - RC Groups</a><br><br><u></u><u></u></span></p></div><div><p class="MsoNormal" style="background:white"><span style="color:black;font-family:"Helvetica","sans-serif"">The long run of wires in a submarine would be particularly bad.<u></u><u></u></span></p></div><div><p class="MsoNormal" style="background:white"><span style="color:black;font-family:"Helvetica","sans-serif"">I would be interested in any solution you may come across.<u></u><u></u></span></p></div><div><p class="MsoNormal" style="background:white"><span style="color:black;font-family:"Helvetica","sans-serif"">Most of the RC escs only go up to 59V. <u></u><u></u></span></p></div><div><p class="MsoNormal" style="background:white"><span style="color:black;font-family:"Helvetica","sans-serif"">Castle creations sells motors up to 10,000 watts so should have escs that would<u></u><u></u></span></p></div><div><p class="MsoNormal" style="background:white"><span style="color:black;font-family:"Helvetica","sans-serif"">cover your 72 volt requirement. Just can't see them advertised. You would need to enquire.<u></u><u></u></span></p></div><div><p class="MsoNormal" style="background:white"><span style="color:black;font-family:"Helvetica","sans-serif"">I think they will taylor make components for you.<u></u><u></u></span></p></div><div><p class="MsoNormal" style="background:white"><span style="color:black;font-family:"Helvetica","sans-serif""><a href="http://www.castlecreations.com/index.html" target="_blank">http://www.castlecreations.com/index.html</a><u></u><u></u></span></p></div><div><p class="MsoNormal" style="background:white"><span style="color:black;font-family:"Helvetica","sans-serif"">They have a reputation in the RC World of producing top of the line stuff.<u></u><u></u></span></p></div><div><p class="MsoNormal" style="background:white"><span style="color:black;font-family:"Helvetica","sans-serif"">Alan<u></u><u></u></span></p></div><div><p class="MsoNormal" style="background:white"><span style="color:black;font-family:"Helvetica","sans-serif""> <u></u><u></u></span></p></div><p class="MsoNormal" style="background:white"><span style="color:black;font-family:"Helvetica","sans-serif""><u></u> <u></u></span></p><div><div><div><div><div align="center" class="MsoNormal" style="background:white;text-align:center"><span style="color:black;font-family:"Helvetica","sans-serif""><hr width="100%" size="1" align="center"></span></div><p class="MsoNormal" style="background:white"><b><span style="color:black;font-family:"Arial","sans-serif";font-size:10pt">From:</span></b><span style="color:black;font-family:"Arial","sans-serif";font-size:10pt"> Hugh Fulton via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>><br><b>To:</b> 'Personal Submersibles General Discussion' <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>> <br><b>Sent:</b> Friday, February 13, 2015 7:22 PM<br><b>Subject:</b> [PSUBS-MAILIST] Motor Controllers.</span><span style="color:black;font-family:"Helvetica","sans-serif""><u></u><u></u></span></p></div><div><p class="MsoNormal" style="background:white"><span style="color:black;font-family:"Helvetica","sans-serif""><u></u> <u></u></span></p><div><div><div><div><p class="MsoNormal" style="background:white"><span lang="EN-NZ" style="color:black;font-family:"Helvetica","sans-serif"">Hi All,</span><span style="color:black;font-family:"Helvetica","sans-serif""><u></u><u></u></span></p></div><div><p class="MsoNormal" style="background:white"><span lang="EN-NZ" style="color:black;font-family:"Helvetica","sans-serif""> </span><span style="color:black;font-family:"Helvetica","sans-serif""><u></u><u></u></span></p></div><div><p class="MsoNormal" style="background:white"><span lang="EN-NZ" style="color:black;font-family:"Helvetica","sans-serif"">I am having problems with Kelly controllers but need small footprint 2 kw 72 volt BLDC controllers.</span><span style="color:black;font-family:"Helvetica","sans-serif""><u></u><u></u></span></p></div><div><p class="MsoNormal" style="background:white"><span lang="EN-NZ" style="color:black;font-family:"Helvetica","sans-serif"">Any recommendations for reliable units?</span><span style="color:black;font-family:"Helvetica","sans-serif""><u></u><u></u></span></p></div><div><p class="MsoNormal" style="background:white"><span lang="EN-NZ" style="color:black;font-family:"Helvetica","sans-serif"">Hugh</span><span style="color:black;font-family:"Helvetica","sans-serif""><u></u><u></u></span></p></div><div><p class="MsoNormal" style="background:white"><span lang="EN-NZ" style="color:black;font-family:"Helvetica","sans-serif""> </span><span style="color:black;font-family:"Helvetica","sans-serif""><u></u><u></u></span></p></div></div><p class="MsoNormal" style="background:white"><span style="color:black;font-family:"Helvetica","sans-serif""><br><br>__________ Information from ESET NOD32 Antivirus, version of virus signature database 11169 (20150213) __________<br><br>The message was checked by ESET NOD32 Antivirus.<br><br><a href="http://www.eset.com/" target="_blank">http://www.eset.com</a><u></u><u></u></span></p></div></div><p class="MsoNormal" style="background:white;margin-bottom:12pt"><span style="color:black;font-family:"Helvetica","sans-serif""><br>_______________________________________________<br>Personal_Submersibles mailing list<br><a href="mailto:Personal_Submersibles@psubs.org" target="_blank">Personal_Submersibles@psubs.org</a><br><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br><br><u></u><u></u></span></p></div></div></div></div></div></div></div><p class="MsoNormal" style="background:white"><span style="color:black;font-family:"Helvetica","sans-serif""><u></u> <u></u></span></p><div><p class="MsoNormal" style="background:white"><span style="color:black;font-family:"Helvetica","sans-serif"">_______________________________________________<br>Personal_Submersibles mailing list<br><a href="mailto:Personal_Submersibles@psubs.org" target="_blank">Personal_Submersibles@psubs.org</a><br><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><u></u><u></u></span></p></div><p class="MsoNormal" style="background:white;margin-bottom:12pt"><span style="color:black;font-family:"Helvetica","sans-serif""><u></u> <u></u></span></p></div></d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