RE: Showtime
That seems about the right size.( 1 1/2 " = ca.38mm) I was figuring ca. 35mm - 40mm. I assume the aileron servo arms are a little shorter than the rudder and Elev. arms.??? They have 2 different order #'s. Maybe 35mm arms for ail. & 40mm arms for EL. & Rud.???
Mike