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HomeAircraftHelicopterHelicopter Main Discussion › Align 35A ESC. What happens if you ignore the LVC?
04-04-2009 12:09 AM  9 years agoPost 1

rrKey Veteran


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Here is what happened,
We had great weather for a change and in my haste to get airborne again I neglected to cycle the TX power and reset my timer.
I was doing big fast loops and lost track of time, the timer was not going to go off as it has already passed 0 and was now just counting up instead of down (JR X9303) The heli started to struggle with power but I blamed my control and went round for a few more goes. I guess with the FFF I didn't notice that the tail was kicking (LVC) by the time I landed I had flown for 9.5 mins, 80% is 5.5 min normally on this pack.

So, if you ignore/don't notice the ESC LVC what happens, Just fall out of the sky? kill the motor but keep power to the RX? total loss of RX control??


04-04-2009 12:22 AM  9 years agoPost 2


Socorro, NM - USA

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I think it really depends on the esc. I know the CC escs kill the motor but retain power to the bec. Once the voltage rises again, the esc will function again until it sees a low voltage again. I have not had an Align esc do anything but pulse me. Really I think at some point you should notice the lack of power and lower headspeed. That is what happened with my friend and his Logo500. He was flying about his 5th flight on it and forgot to charge the pack. He had already flown 6min on it and then put another 7 on that. About 6:30 I heard a headspeed change and so he landed. The voltage was at 3.5V per cell and pulled well over 90% out of the pack but the Align 75A never skipped a beat.

- Chris

Team New Mexico

04-04-2009 04:42 AM  9 years agoPost 3

rrElite Veteran

Portland Tx

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Mine spun on me. Started piroing like mad.

04-04-2009 05:07 PM  9 years agoPost 4

rrKey Veteran

Buckley WA

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If you are using Align batteries you will puff the pack or possibly catch fire in flight......other batteries are not so quick to puff. Was the pack hot after flight or was it swollen? I would not try that again.....never over discharge the batteries.

Fly Hard......Team Viagra

04-04-2009 05:27 PM  9 years agoPost 5

rrElite Veteran

Pasco,Washington Formerly: Captain Chaos

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In heli mode the Align 35X will only perform stage 1 LVC which is just pulse
If ignored there eventually won't be enough power to fly to the peril of the batts

In airplane mode it will pulse when the voltage reaches stage 1 then kill the motor when the voltage reaches stage 2 to protect the batts

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