servo centering

I power on my servos and they go to, what I assume is, the center position. But, when the radio connects to the receiver, the servos change position. I am not sure which is the actual centered position. I don't have one of the servo tools that let you run through the whole range of motion, but...

Hi FT community, For my third build I've chosen the FT Versa Wing speed build kit. My question is on Servo placement. In the build video it looks like Josh places the servo's so the arms are facing back toward the elevons. Maybe I'm not centering my servos properly but when I do this, the servo...