5955 for the Rudder is a great choice. I am probbaly going to use the 5945 for the alierons and elevator, and the 5955 for the rudder. But I am going to try out these Cirrus servos just to see, you can't beat 39.99 for the servo, and the guy at Hobby People said if I dont like it I can return it so what do I have to loose? I konw Im going to love my plane, I can't wait. I wish Tom was close enough where I could just go pick it up. Some of these people that are having the problems may not know how to properly build a plane to begin with. I've looked at WH plane and talked to people who have them, and I know someone who knows Tom and said all of his plane are of high quality.