Well, how about L/R wing panels joined at the centerline and with the dihedral built into the joint? In any case, Lynn Hyder's KR-1 1/2 has a solid one-piece wing; see: http://home.hiwaay.net/~langford/lhyder/
Allen G. Wiesner KR-2SS/TD S/N 1118 65 Franklin Street Ansonia, CT 06401-1240 (203) 732-0508 flash...@usadatanet.net