[PSUBS-MAILIST] Motor Controllers.

[keith tollett via Personal_Submersibles]

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 aboutthe 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
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.
   
 #yiv2973736671 #yiv2973736671 -- filtered {font-family:Calibri;panose-1:2 15 5 2 2 2 4 3 2 4;}#yiv2973736671 filtered {font-family:Tahoma;panose-1:2 11 6 4 3 5 4 4 2 4;}#yiv2973736671 p.yiv2973736671MsoNormal, #yiv2973736671 li.yiv2973736671MsoNormal, #yiv2973736671 div.yiv2973736671MsoNormal {margin:0cm;margin-bottom:.0001pt;font-size:11.0pt;}#yiv2973736671 a:link, #yiv2973736671 span.yiv2973736671MsoHyperlink {color:blue;text-decoration:underline;}#yiv2973736671 a:visited, #yiv2973736671 span.yiv2973736671MsoHyperlinkFollowed {color:purple;text-decoration:underline;}#yiv2973736671 p.yiv2973736671MsoAcetate, #yiv2973736671 li.yiv2973736671MsoAcetate, #yiv2973736671 div.yiv2973736671MsoAcetate {margin:0cm;margin-bottom:.0001pt;font-size:8.0pt;}#yiv2973736671 span.yiv2973736671EmailStyle17 {color:windowtext;}#yiv2973736671 span.yiv2973736671BalloonTextChar {}#yiv2973736671 .yiv2973736671MsoChpDefault {}#yiv2973736671 filtered {margin:72.0pt 72.0pt 72.0pt 72.0pt;}#yiv2973736671 div.yiv2973736671WordSection1 {}#yiv2973736671 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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