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2.4 mhz low voltage problems

Old 08-28-2012, 05:41 AM
Thread Starter
Join Date: Aug 2007
Posts: 374
Default 2.4 mhz low voltage problems

Please check this thread link concerning 2.4 voltage problem.
I have an EMAX BUDGET 50 AMP. My motor is drawing 36 amps at full throttle. I use 3cell 2200 mah 30c batteries.
There seems to be some warning of using linear esc/bec on more than 2 cell batteries. Any thoughts on this subject and or setup?

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Old 08-28-2012, 03:09 PM
Watch this........:-(
Wisc-BK's Avatar
Join Date: Sep 2008
Location: Ripon Wisconsin
Posts: 114

According this EMAX manual, a 50amp EMAX ESC can handle 2-3 LIPO cell batteries.


One does need to worry how many amps your total number of servos are
drawing verses the number of amps the BEC in the ESC can safely provide.
I always try to buy ESC's that have a 3 amp BEC unless I am only going
to be using 2 servos in the plane the ESC is intended for.
Wisc-BK is offline  
Old 08-28-2012, 03:34 PM
Watch this........:-(
Wisc-BK's Avatar
Join Date: Sep 2008
Location: Ripon Wisconsin
Posts: 114

OK......... after reading the article you referenced in your post, should have
read it all the way through the first time, I can only provide the following
information, take it or leave it.

I ONLY use 2.4GHZ on all my models, Spectrum Tx to be specific, and I have a mixture of Spectrum brand Rx's and the "Orange box" from HK,
and UMX BNFs from different manufactures. Also ESCs from EMAX,
PowerUp, Turnigy etc. etc. All my park fliers use 3 cell LIPOs and for
some odd reason use 2200mah and/or 1300mah size.

I have NEVER had any problems with low voltage or brown out or whatever.

I just MAKE SURE my low voltage cutoff setting on all the ESC's are around 3.8 volts or above for the systems where I can set the LVC,
AND I also set the timer on my Tx for at least a minute below where
the ESC starts to lower the voltage because the system is nearing LVC,
this timer setting was done by timing the flights for a while and then
setting the Tx. Also as mentioned in the previous post, I make sure my
ESCs have a BEC that is at least 3 amps, unless I am buying a kit where
all the electronics come with it.

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