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04-13-2011, 09:58 PM
| #1 |
| Rock Stacker Join Date: Mar 2011 Location: Manitowoc
Posts: 88
|  fx-r esc
plz help new to brushed motor do i need to use a capacitor on the fx-r with a bec or can i get away not using a capacitor
Last edited by thor_woody; 04-13-2011 at 10:36 PM. Reason: no one helping |
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04-14-2011, 12:53 AM
| #2 |
| Rock Crawler Join Date: May 2009 Location: Queensland, Australia
Posts: 610
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Yes you need the cap no mater what. It is in the instructions that come with the ESC. It's part of the design for the ESC and is required. Don't take this the wrong way but if you had done a 30sec search in this very forum you would have found this: how important is the capacitor for the fxr? |
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04-14-2011, 04:44 AM
| #3 |
| Quarry Creeper Join Date: Nov 2008 Location: Natick
Posts: 199
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X2 on CAP's !!! You must run them or risk letting the magic blue smoke out of the box! That would be an expensive mistake. |
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04-14-2011, 09:15 AM
| #4 |
| Rock Stacker Join Date: Mar 2011 Location: Manitowoc
Posts: 88
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Well i had a guy from a hobby store wire it up and he never put it on and he put heat shrink on the wires so were could i even hook it up or so i have to cut it and redo the wiring
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04-14-2011, 09:24 AM
| #5 |
| Rock Stacker Join Date: Mar 2011 Location: Manitowoc
Posts: 88
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their is a still a little post left that i could put the cap onto but i did know if it still would work
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04-14-2011, 10:14 AM
| #6 |
| RCC Addict Join Date: May 2008 Location: Chicago/Bloomington
Posts: 1,505
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Take off that heat shrink. The solder posts do double duty as heat sinks for the FETs.
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04-14-2011, 10:25 AM
| #7 |
| Rock Stacker Join Date: Mar 2011 Location: Manitowoc
Posts: 88
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So i dont need the heat sink at all and should i just resolder so i can put the cap on because i really dont understand what u meant
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04-14-2011, 05:01 PM
| #8 |
| Rock Crawler Join Date: May 2009 Location: Queensland, Australia
Posts: 610
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What Arecee is saying is that the solders posts on the FX-R ARE heat-sinks. (which was slightly off topic hence confused you) So cut off the heat shrink and solder it on...if you run it without a cap you will end up needing a new esc. |
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04-14-2011, 05:36 PM
| #9 |
| Rock Stacker Join Date: Mar 2011 Location: Manitowoc
Posts: 88
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So does the cap have to touch the wires or can it just touch the posts
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04-14-2011, 06:11 PM
| #10 | |
| Rock Stacker Join Date: Nov 2010 Location: Jasper
Posts: 57
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04-14-2011, 06:13 PM
| #11 |
| Quarry Creeper Join Date: May 2010 Location: albuquerque
Posts: 266
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the top of the posts on the fxr there is a groove, put the cap wires into the grooves (there is a pos and neg side of the cap), heat the solder until the cap wires go into the grooves on the posts, put your wires back on  |
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04-14-2011, 06:16 PM
| #12 |
| Quarry Creeper Join Date: May 2010 Location: albuquerque
Posts: 266
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sorry r34sklnnsn, i was replying at the same time you were, you just beat me |
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04-14-2011, 11:08 PM
| #13 |
| Rock Stacker Join Date: Mar 2011 Location: Manitowoc
Posts: 88
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alright thanks guys for the help this is my first time ever using a brushed motor
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Linear Mode
