damroadhog

Sal

Twin set up

using (2) e-flite power25BL motors rated at 32 continuous and burst of 44 amps

(2) CC45 esc with a Y harness to (2) lipo's in parallel, BEC disabled on both , using RX battery

Question

When using 2 motors, each have an amp draw rate, HOW do you select the lipo's
do I select a battery rated at one motor amp draw 32/44 amps and go up from there???
or do I treat this as one motor at 62/88 amps and go up from there ???

when you wire in parallel the mah are at x2 ( 2 6000mah batterys =12000mah
but do the continuous and burst amps also x2 when in parallel, I know the volts stay the same buit do the amps????

Thanks
Dave

Thanks
Dave

SmallElectrics

Hi Dave,

Yes, you can treat this as one motor at 62/88 amps .
And yes, the continuous and burst amps are 2x when in parallel....

Best of luck ,

Brad

damroadhog

Thanks Brad


Dave

salnsp

Of course the total draw of the motors will depend on what prop, how many cells, and what is the discharge rate of the battery but for example: Let's assume that we are using a 3-cell li-Poly battery. If each motor with designated prop draws 25 amps. Then you will need a battery that can handle 50 amps or more continuous. so two motors double the draw. You might also consider two batteries depending on how the batteries will fit best in the airplane.