[PSUBS-MAILIST] speed controller

Wed Nov 2 05:01:10 EDT 2016

Alan,I would not be worried about retrieving the sub after launching if the system failed.  I would be worried about the system being integrated into the propulsion system causing the whole thing to go kaput complete with puff of smoke.  This would of coarse happen with two miles to go to get to shore.  I will have two separate sets of travel thrusters for that very scenario by spring.I saw a TV ad showing a guy launching his boat and parking the truck, then remotely retrieving the boat.  It was a Min Kota ad.  Pretty darn cool!Hank 

    On Tuesday, November 1, 2016 10:37 PM, Alan via Personal_Submersibles <personal_submersibles at psubs.org> wrote:

 Hank, just take a pair of speedos & hope it doesn't fail in winter!https://m.youtube.com/watch?v=y5ejwRj9t1QMinn kotta has this. I think they can automatically hold positionin a current. Just using it to pull the sub off the trailer may beof benefit. Also you can always keep a rope attached.Alan

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On 2/11/2016, at 3:51 pm, hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> wrote:

Alan,That would be very cool-push the sub off and park the truck-- retrieve the sub by radio control.  Only problem is, it is not simple.  The more electronics, the more potential for trouble.  I know I am a bit overboard on this issue, but I have a very reliable sub, not fancy, but very reliable.But it would be cool!Hank 

    On Tuesday, November 1, 2016 8:13 PM, Alan James via Personal_Submersibles <personal_submersibles at psubs.org> wrote:

 Cliff, Hank,I am excited about this little itemRCPWM2V PWM to Voltage Signal Converter

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RCPWM2V PWM to Voltage Signal Converter
 The RCPWM2V is a device that converts a standard hobby RC signal (1-2ms pulse) into a proportional analog voltag...  |  |

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It plugs in to a radio control receiver & outputs 0-5V.You would just need a RC transmitter & receiver (under $100-)& one of these units ($30- per thruster) to add remote control to your submarine thrusters. Very handy for trailer launching. You probably willhave to program in a few things on the RC transmitter but anykid you know that's in to RC could do it. I am trying to order a couple to try out but the firm is Californian & only export after emailconsultation & approval.Alan

      From: Cliff Redus via Personal_Submersibles <personal_submersibles at psubs.org>
 To: Personal Submersibles General Discussion <personal_submersibles at psubs.org> 
 Sent: Wednesday, November 2, 2016 12:27 PM
 Subject: Re: [PSUBS-MAILIST] speed controller

MINN KOTA FORTREX MAIN CONTROL BOARD PN# 2264054 24/36V , http://www.ebay.com/itm/MINN-KOTA-FORTREX-MAIN-CONTROL-BOARD-PN-2264054-24-36V-/371716842908?hash=item568c0ce59c:g:VxAAAOxyXDhSpea4&vxp=mtr
Easy to wire.  Two wires from battery connect via 1/4" spade connectors and 10 AWG wire.  Two wires to DC motor again connected with two 1/4" spade connectors.  IF you use the potentiometer that is on the board, that's it.  When the potentiometer is in the centralized potion, the motor is off.  Pot is non linear so lots of control at low speed.  If you want to control through a PLC, all you have to do is cut the leads from the pot and have the PLC send a 0-5vdc signal.  0v is full one way, 2.5V is off and 5vdc is full the opposite direction.  That is it.  Very easy to wire.
Cliff
On Tue, Nov 1, 2016 at 6:09 PM, hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> wrote:

Hi Cliff,One time you posted the part number for eBay for the speed controller you use.  Can you re-post that, and do I need to be an electrical engineer to hook it up ;-)  Thank you CliffHank
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