Low Voltage cutoff?  
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All Forums >> Electric Aircraft Universe >> Brushed/Brushless motors, speed controls, gear drives >> Low Voltage cutoff?
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Low Voltage cutoff? - 7/14/2008 8:01:05 PM   
Tony Gag Jr.



Posts: 605
Joined: 1/21/2002
From: Terryville, CT, USA
Status: offline 		I have a question about the low voltage cutoff on an ESC. I am using a E-flite 40 amp pro switch mode ESC and a 3-cell Li-Po battery pack. It says the low voltage cutoff for a 3-cell is 9Volts. Does this mean when the batteries get down to 9volts the ESC stops supplying power to motor and is only supplying power to the receiver and servos? I ask this because I want to make the switch from 72mhz to 2.4ghz and I know the 2.4ghz stuff has had some problems when the voltage drops to low. I think the 2.4ghz(Spektrum/JR) needs at least 3.5volts to operate.

Thanks,
Tony
       Post #: 1

RE: Low Voltage cutoff? - 7/14/2008 8:12:23 PM   
Walt Thyng


 

Posts: 749
Joined: 7/27/2002
From: St. Charles, IL, USA
Status: offline 		the short answer to your question is "Yes." Spectrum (and I think JR) have upgrade their recievers to avoid this problem and you can buy a plug in capacitor for older 2.4 systems. Or you can use a separate rx battery
WT

_____________________________

WT in Illinois

(in reply to Tony Gag Jr.)
       Post #: 2

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All Forums >> Electric Aircraft Universe >> Brushed/Brushless motors, speed controls, gear drives >> Low Voltage cutoff?
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