RE: Blue Bird Servo's
They are the 620 MG High Torq I was going to us them in a new Hanger 9 extra 260 45cc gas engine I never started the engine and the servo's where going nuts we are using a new Hitec reciever we tried a JR770 and they all did the same thing I thought that a 5 cell pack was too much but we tried a 4.8 pack and no change we even bought a new switch