Have both wings completed on my sig se, and have started planning fuselage construction. Plan to use metal rods for rudder and elevator inside the supplied plastic tubes. Have seen a thread somewhere that you could cut 1/4 inch pieces of the inner nylon rod, slip them over the 2-56 metal rods, spaced about 3 or 4 inches apart to reduce play. Have any of you had any experience with this modification? [&:][&:][&:]