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Originally Posted by IBJAMMIN
I dont think you really need a UBEC with 3s or under I stole the Mamba ESC from my 4s CRT coversion so it was already wired into the ESC but one advantage of the UBEC is it puts out 6v vers the ESC output of around 5v with the larger 1/8th scale conversions and high torque servo's sure the UBEC is needed over 2s with the crt.5 though you are only running a mini servo and ESC. :)
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FYI, I tested temps of the BEC in the MM on 2s, 3s, and 4s with a very conservative 250mA (0.25A) load, and it got VERY hot VERY quickly on 3s. I would recommend a UBEC on anything over 2s.
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