How will adding a UBEC compensate for a brownout, caused by RF interference? All that the UBEC will do is keep power supplied to the RX, if the ESC’s internal BEC can’t keep up with the power demand on the RX bus.
In my opinion, the recommendation to install a UBEC is poor advice. Instead, I’d suggest looking at the antenna placement, relative to the battery or the motor wires (which should not be a problem since the ESC and motor are well infront of the RX, unless something really weird was done). For example, if the antenna is running under or next to the battery, at certain angles, the battery mass will block the RF path from the TX to the RX antenna. Also, I’ve had a couple problems with Lemon receivers, momentarily dropping out, but his was due to motor wires running too close to the RX (on rear engined EDFs and twin engined EDFs). I don’t know which RX you're using. Anyway, I’d suggest that you look for a remedy, other than a UBEC, if you’re trying to solve a brownout problem.
BTW, I’m a huge fan of the Castle 10A UBECs. I fly them in all of my bigger, mega-servo’d warbirds.
In my opinion, the recommendation to install a UBEC is poor advice. Instead, I’d suggest looking at the antenna placement, relative to the battery or the motor wires (which should not be a problem since the ESC and motor are well infront of the RX, unless something really weird was done). For example, if the antenna is running under or next to the battery, at certain angles, the battery mass will block the RF path from the TX to the RX antenna. Also, I’ve had a couple problems with Lemon receivers, momentarily dropping out, but his was due to motor wires running too close to the RX (on rear engined EDFs and twin engined EDFs). I don’t know which RX you're using. Anyway, I’d suggest that you look for a remedy, other than a UBEC, if you’re trying to solve a brownout problem.
BTW, I’m a huge fan of the Castle 10A UBECs. I fly them in all of my bigger, mega-servo’d warbirds.
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