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Originally Posted by BrianG
If it IS a cap, I'm puzzled as to why it smoked. Caps are either used to "store" DC or pass AC (depending on frequency). Neither application really lends itself to blowing unless you exceed the working voltage of the cap.
Is it possible that there was a metal shaving laying alongside the device shorting across both solder pads, and when you plugged in the ESC, that shaving acted like a fuse and incinerated? This would create a decent spark and deposit the vaporized remains of the shaving on whatever was close by making it look like the device is blown.
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look at the second picture I posted (
http://a4dtm.com/lsp/1fry.jpg). it got hot enough to actually ball up the solder..
There is/was no metal shavings big enough to to short out anything. after the case was cleaned after milling, and after I put the controller in, I blew it out w/ canned air. I tested the controller, and it worked fine. took it to the track, and ran it for a few minutes w/ out any problems. set the truck down.. my heat came up, and i plugged it in, and sparks. I really don't know what could have caused it. other than the second battery making contact on and off. which I'm not sure how often that happened.. the solder joint was broken, and electrical tape was holding the wire to the Deans plug.. being wired in parallel, the voltage wouldn't have jumped up by much, if any. but still possible? i don't know. :025:
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Originally Posted by AAngel
A4, it sounds like you've got it covered.
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Time will tell lol