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kulangflow
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01.13.2009, 12:00 PM

Quote:
Originally Posted by sikeston34m View Post
A Reverse Polarity Situation?
After some checking, I figured out the guy I got it from had "upgraded" to Deans. He installed them reverse polarity on the ESC, AND on his batteries. So it worked for him. If you get something used, it pays to double check everything.
I had that exact same thing happen to me. Fried a good lipo and ESC because the previous owner installed his Deans backwards and I didn't double check it first. Shame on both of us!


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pb4ugo
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01.13.2009, 12:13 PM

Quote:
Originally Posted by kulangflow View Post
I had that exact same thing happen to me. Fried a good lipo and ESC because the previous owner installed his Deans backwards and I didn't double check it first. Shame on both of us!
I'm wondering (and asked him) if he didn't change connectors. I'm almost certain it was reversed. I sent them with Deans on them that were correct. The first pack was run without issues, then boom the second one causes all the trouble.
   
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sikeston34m
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01.13.2009, 06:53 PM

Quote:
Originally Posted by kulangflow View Post
I had that exact same thing happen to me. Fried a good lipo and ESC because the previous owner installed his Deans backwards and I didn't double check it first. Shame on both of us!
It does put on quite a show doesn't it?

The absolute Maximum Burst Capacity of Lipos must be way up there when you dead short them. LOL

What type of ESC fried on you?
   
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kulangflow
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01.13.2009, 07:16 PM

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Originally Posted by sikeston34m View Post
It does put on quite a show doesn't it? What type of ESC fried on you?
It was quite a show, but not quite as impressive as when I accidentally dead-shorted a 10s a123 pack!

I can't remember the name of the ESC. It's been a while. It was a brushed ESC, so I guess I really wasn't out much. I was much more annoyed by the lipo loss.


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rootar
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01.13.2009, 08:51 AM

this is kinda like me pulling a dumbass move when i first got started i was building my LS10 and i bought a 9L off of linc, first run its get so hot you could cook off of it and finally we figured out i put long motor screws in it all the way to the winding and was shorting it out, i was lucky to not puff my crapamps 3s and fry my mm, everyone learns SOMETHING the hardway i think it wasnt anything you did. atleast they were just cheap protek packs for his sake.

I do admire shaun's take on it and i would stand buy that whenever nessicary but i dont think this is one of those incidents, say if one of my quads i sold frame cracked in a typical area first time the person rides it im gonna go outta my way to get that fixed and make sure there is anything else wrong. In that kind of situation id definetly feel responsible (mostly because i give my bike HELL)
   
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kulangflow
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01.13.2009, 12:48 PM

Is he willing to send you pictures of the lipos and his set-up so we can inspect it for any obvious mis-wiring?


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TexasSP
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01.13.2009, 03:01 PM

I never accuse anyone without proof. Sounds to me like the guy screwed up and won't admit it. One charge without balancing should not be an issue anyway. I think you have done what you can and should now be free to cut all contact, wash your hands of this deal, and move forward.

You could email him a picture of Shaun and James in drag together to ease his pain though!!!!


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JERRY2KONE
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Kid??? - 01.13.2009, 07:20 PM

Quote:
Originally Posted by TexasSP View Post
I never accuse anyone without proof. Sounds to me like the guy screwed up and won't admit it. One charge without balancing should not be an issue anyway. I think you have done what you can and should now be free to cut all contact, wash your hands of this deal, and move forward.

You could email him a picture of Shaun and James in drag together to ease his pain though!!!!
If this is a young kid that you are talking about this could do irreperable damage to his mental state of mind. Just the thought of it gives me shivvers. Although you could probably go to the local bar and catch them there dressed just as you described.
   
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jayjay283
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01.13.2009, 07:56 PM

When I used to build steam cleaners, we had a metal cutting saw for cutting pipes, ran on 3 phase but didnt have a good switch. My buddy went to turn it on, not making sure not to hit the exposed wires, and I though him laying on the ground asleep was a joke till I saw urine all rinning down his leg. Dont mess with the big volts lol
   
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kulangflow
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01.13.2009, 08:01 PM

My brother was driving down the freeway when he noticed smoke coming out from the engine bay. The metal battery hold down had worked itself loose and dead-shorted the car battery. Oops.


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pb4ugo
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01.17.2009, 06:41 PM

Anybody know much about Protek Lipos? I see why he was talking about me switching the label now. It certainly wasn't me, and looks to be their method of labeling, but I'd be suspicious if I were him. If anybody has any info to that effect, I'd love it. Here are the pics I took followed by the one he just sent me:

   
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lincpimp
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01.17.2009, 08:24 PM



Well, the one that puffed appears to be a 3c discharge rated rx pack... Might explain why it puffed.
   
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pb4ugo
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01.17.2009, 08:46 PM

Quote:
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Well, the one that puffed appears to be a 3c discharge rated rx pack... Might explain why it puffed.
No, to clarify...
They are labeled 20c packs. The label that you see peeled up is the factory label that was pictured in the first pic. That's what I'm wondering, whether it's normal or not for manufacturers to label over a standard label like that. Besides, even a 3c pack wouldn't puff like that and blow a speed controller just by turning on the switch.
   
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lincpimp
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01.17.2009, 08:48 PM

Did he send you a pic of the plug... Wonder if he changed it out before use?
   
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JERRY2KONE
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Suspicious - 01.17.2009, 09:34 PM

That does look suspicious to me. Why would any manufacturer tape one label over another? It lookslike someone tried to hide the fact that those batteries were only 3C. Not that you tried to fool anyone, but that is pretty shady by any sense of integrity. I would be pretty pissed off if you sold those to me as well. Honestly Iwould never buy any LIpos that looked like that anyway. TURDS??? You kill me with your analogies JayJay. You seem to be a pretty smart guy JayJay, but you have a real Geto way of expressing yourself sometimes. Keep it up though, because you put me in stiches on a daily basis in here, and I am sure that is true for most of the guys on RCM.
   
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