how to bypass LVC or use rx batt with esc - RC Groups
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Nov 13, 2001, 10:41 PM
Motors beat engines!

how to bypass LVC or use rx batt with esc

Wondering if theres a way to do either of these things easily.

Would love to bypass completely or reset voltage cutout to a lower voltage number on my kontronic 4001, or if thats not possible, to use a seperate rx batt. I'm not sure how to do that. All my planes always just plugged the esc connector into channel 3.

Any ideas anybody?
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Nov 13, 2001, 11:52 PM
Registered User
Hi Dean,

I don't like BEC's and only use them in small stuff where there is no choice. I've read a number of posts where planes are lost because the BEC burned up. Separate battery removes that fear completely.

To use a separate battery for the reciever and servos, simply remove the red (pos) lead from the plug from the esc to the throttle channel and tape it back. This leaves the signal and ground connections required to work the esc.

The rc system now needs a separate pack / switch just like a glo powered model.

As far as the cutoff voltage, I'm clueless.
But, on mine without the BEC or cutoff, when the battery dumps its all over. There is no more warning than when the esc kicks off. One second you are flying and 4 sec later its dead stick.

Mar 20, 2002, 09:46 AM
Registered User
oded mazor's Avatar
I'm reviving this thread...

I also want to use a seperate Rx battery pack with a kontronik "sun 4001" esc. I sent an e-mail to kontronik asking how to do it, their service is always excellent and here is the response I got :
"Put a seperate battery pack into the receiver and don't disconnect anything".

that's what I intend to do (I won't be cutting any wires...).

Dean, what did you end up doing ?