>I don't remember any discussions about >using the 18% in any configuration other than as a root airfoil tapering >to a 15% at the tip.
Steve: Please correct me if I'm wrong but it is my understanding that the center section stub wings are a constant cord of 18% thickness and the outer wing panels are what taper from 18% at the root to 15% at the tip. Allen G. Wiesner KR-2SS/TD S/N 1118 65 Franklin Street Ansonia, CT 06401-1240 (203) 732-0508 flash...@usadatanet.net