Originally Posted by simplechamp

Sometimes we need to rub our collective brain cells together to make that lightbulb turn on above our heads!

I am actually set to do the same thing myself. My Spektrum receivers can handle up to 9V, but I'm switching radios and the new receivers are only rated for 6V. Since I already have a Castle BEC and HV servo installed it's just a matter of sending the BEC wires to the servo instead of directly into the RX.

I am tempted to see what happens if I run 7.4V to the new receivers, but only because they are the cheap FlySky ones, and I won't feel bad if I burn one out for $8. Wouldn't risk it with an expensive name-brand receiver.