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What could it be??? |
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(#1)
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RC-Monster Carbon Fiber
Offline
Posts: 169
Join Date: Apr 2008
Location: New Hampshire
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What could it be??? -
08.06.2009, 08:27 PM
I had my X1 crt out driving today and she was running smooth as heck. It was doing just about double standing backflips on 4s!!! I went to take off and there was a chrunck ... it moved an inch and died... I brought it in thinking ESC... so I hooked up a new batt and the ESC is 100% fine... phewwww (it's got a mamba monster 2200kv combo in it) I took my volt meter to it and the batt is reading 0 volts??? I checked the meter on the other batt and got 16.4 volts, so the meter is good, I then cut off the deans thinking it was my newbish solder job and still 0 volts at the wires!!! What could it be???
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(#2)
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Guest
Posts: n/a
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08.06.2009, 08:44 PM
could have broken a solder joint inside the pack. No puffing or damage to the pack correct?
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(#3)
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Im not dark, Im over ripened! xD
Offline
Posts: 5,607
Join Date: Sep 2007
Location: Westampton NJ
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08.06.2009, 10:43 PM
check voltage across the balance connector.
R/c Monster Team Driver Jq the car, LST, Sportweks turmoil pro Unconventional Techniques, Superior Results |
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(#4)
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Soldermaster Extraordinaire
Offline
Posts: 4,529
Join Date: Apr 2007
Location: Plymouth, MA, USA
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08.06.2009, 10:50 PM
What packs are these? ..... MA?
 It does sound like a blown tab. 
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(#5)
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Im not dark, Im over ripened! xD
Offline
Posts: 5,607
Join Date: Sep 2007
Location: Westampton NJ
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08.06.2009, 10:52 PM
Quote:
R/c Monster Team Driver Jq the car, LST, Sportweks turmoil pro Unconventional Techniques, Superior Results |
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(#6)
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Soldermaster Extraordinaire
Offline
Posts: 4,529
Join Date: Apr 2007
Location: Plymouth, MA, USA
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08.06.2009, 10:54 PM
It's plausible..
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(#7)
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RC-Monster Carbon Fiber
Offline
Posts: 169
Join Date: Apr 2008
Location: New Hampshire
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08.07.2009, 06:35 AM
It's a zippy flightmax ..... I was figuring a blown tab inside
 No puffing or damage to the pack at all it's only the second or third time I've used this pack too..... voltage across the pack is cell 1 - 3.9v, cell 2 - 3.9v, cell 3 - 0.0v, cell 4 - 3.9v.... my other flightmaxx pack puffed it's 4th cell on my first run with it.... all the other cells where still registering 3.9v too...... ugghh looks like i got 2 from a bad batch. I have 4 other zippy batts and they are all fine and have been run a 12+ times each with no issues. I think I'll stick with buying 2s 's and run them in series so that if one cell goes bad I'm not out a full 4s lipo..... 
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(#8)
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Old Skool
Offline
Posts: 7,494
Join Date: Feb 2007
Location: Devon, England
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08.07.2009, 11:45 AM
If you feel brave, you could disasemble the damgaed lipos, and either reapir the broken tabs (if possible), or remove the dead cells and reconfigure them (4s > 3s and so on).
Linc can guide you as he has experience with these packs. |
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(#9)
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RC-Monster Carbon Fiber
Offline
Posts: 169
Join Date: Apr 2008
Location: New Hampshire
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08.07.2009, 06:58 PM
Cool... I might just give it a go Neil
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