Rudder/Elevator Pull Pull Systems
"ARF building " isn't that an oxy moron?
any way for pull-pull you need 2 control horns on the elevator or rudder one on the left and one directly oposite on the right (top/bottom), then you atatch a string from the right side of the servo horn to the right control horn, then from the left side of the servo to the left control horn. Hey presto a pull/pull set up