Maybe not, but the Diehl wing skins are considerably longer that stock and are flown on most KR2 built after he created them and before the introduction of the new wing. Whether endorsed or not, they are proven.
See N64KR at http://KRBuilder.org - Then click on the pics? See you Oct. 4 and 5, 2013 - KR Gathering in Mt. Vernon, Il ? MVN Daniel R. Heath -?Lexington, SC -----Original Message----- RR does not go along with a longer wing