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HomeAircraftHelicopterMain Discussion › Forced Auto-rotation from 1s cell dying in flight!
05-08-2018 04:37 PM  3 months agoPost 1
InvertedDude

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USA

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Flying my Trex 600ESP on 5000mah 6s packs. Probably over 200 flights. Zooming around and all of a sudden blades slow down and forced me to auto-rotate. Good save but hard bounce at the bottom.

Check voltage.....6s is between 22.2 to 25.2v. I checked voltage and it shows less than 20v....hooked up to charger and charger says it is 5s instead of 6s. I lost a cell, how does something like that happen?

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05-08-2018 04:52 PM  3 months agoPost 2
utahbob

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St. George Utah

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How many cycles on the pack?..my record is 128 cycles before the battery goes limp.

I do a great decending funnel!

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05-08-2018 05:19 PM  3 months agoPost 3
InvertedDude

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USA

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utahbob
Pack had about 75 flights as far as I know....my other ones have over 100 flights and still strong.

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05-08-2018 09:50 PM  3 months agoPost 4
HeliAdict

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Texas

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Everything has an expiration date.

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05-08-2018 09:52 PM  3 months agoPost 5
InvertedDude

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HeliAdict
Everything has an expiration date.
I laughed hard, good one man! I am glad the Trex 600esp didn't agree with the expiration date!

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05-08-2018 10:28 PM  3 months agoPost 6
utahbob

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St. George Utah

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Just curious..what brand of battery was it?..I had a "brown out"of a Gensace 3700 pack in my Logo 480 on Saturday..I put 75 flights on that pack and I got them used when I bought the heli a couple yrs. Ago..I figure they have at least a hundred runs on them.. (I got two of'em with the heli..they both went bad in the last couple weeks)..anyway I think if I get 100 flights on a pack..its a good deal..I only fly on the weekends..so most of the time they're sittn around.

I do a great decending funnel!

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05-08-2018 10:30 PM  3 months agoPost 7
InvertedDude

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USA

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05-08-2018 11:54 PM  3 months agoPost 8
Heli Fanatix

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Fountain Valley, CA

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Yes, everything has a expiration. Bad news is you can only find it after a crash

BTW

Trex 550 is already hard in 6S let alone a Trex 600 on 6S.

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05-09-2018 03:07 AM  3 months agoPost 9
utahbob

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St. George Utah

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your mileage may vary
So many factors involved in how these batteries hold up over time..It would be cool if somebody who is way above getting revenue from this hobby would scientifically evaluate the brands and different c ratings to give us some help..somebody like Tareq A-jedi master! Even though they are expensive and safety/problematic..they are waay better than flying 12cell sub-c nicad packs!

I do a great decending funnel!

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HomeAircraftHelicopterMain Discussion › Forced Auto-rotation from 1s cell dying in flight!
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