|Feb 25, 2003, 11:54 PM|
Have I messed up my HE cells....?
I have a couple of 7 cell HE packs that I regularly use in 7-8 amp applications....probably about 30-40 cycles, initially broken in at 1/10C for three cycles.....
...I put one of the packs into a twin motored plane that drew approximately 14 amps (Motocalc)...it flew only briefly due to dumb thumbs and a reversed servo
...I put the pack into my Slowstick after the not so ugly (but stupid) crash and it stuttered badly at full throttle..thinking "oh great, now another dying motor", I put the SS down and put in a 600AE pack, no stutter....then put in the HE pack that hadn't been in the twin, no stutter...
....wondering what was up, I put the SS back down again and loaded up the HE pack that I had flown earlier, same stutter at full throttle, alright at part throttle, but can't seem to deliver the full amp draw...
I've asked others about the ability of the HE cells to deliver 15 amps and was told it was possible...but maybe not with cells that are slightly used?
|Feb 26, 2003, 02:04 AM|
Joined Jan 2002
Check your pack's wiring for crash damage, a weakened solder joint or broken wire might do that. Batteries that are just going soft won't stutter as much as just not provide any juice,unless they're so low that your ESC is cutting in and out.
So first i'd check the pack for wiring damage, then fire up the olde multimeter and see what your voltage at full load is.
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