Originally Posted by Bmr4life
I'll stop my RS soon. I do have a question though. How do I choose the voltage of the cap? Does it matter what voltage I'm sending to the esc? I run anywhere from 4s to 6s with this system.
The voltage the ESC sends to the RX is always ~6v regardless of the batteries you are using, since that is inbuilt BEC output voltage, independent of everything else.
A 12v cap will be perfect- 2000-4000uF rated for 105°C.