I am awaiting my new DP and the recommendation is to put 2 servos on each aileron. One of the servos will be an 8411. I am uncertain about the 2nd servo. Am I correct in presuming that it should be just as fast as the 8411....18sec?? I have a Hitec 605 BB that is within .01 second faster than the 8411. Does this present any kind of synchronization problem for me?

Also, any opinions on whether this system should be a 4.8 volt system or a 6.0 volt?? Elevator and rudder will have 8411s also.