I think I know the answer but I will ask if anyone has an idea. I have a 7 ch Orange receiver/gyro to put in a model that has 2 elevator servos. On Futaba, ch8 is the 2nd elevator channel. I don't have an 8th and I cannot fathom how you drive 2 servos. Tried a 'Y' lead, just means elevators go in different directions. I guess I will have to have a separate gyro unit running through a Futaba 8ch receiver. Maybe you have a better solution, I hope so!
Simon O