It might be time to elaborate on what Steve Eberhart eluded to earlier. After either tunnel tests or analysis (I forget which), Ashok decided there was something he didn't like about the characteristics of the AS5048 near stall...some sort of burble or separation, or something, which is when he declared it less than optimal for use from root to tip, but OK if the airfoil was trasitioned from 18% at the root to 15% at the tip, which is what I've posted at http://www.krnet.org/as504x/templates.html . Definition of "root" here is from the beginning of the outer wing (next to the stub wing) to the tip, which is usual for KRs...
Mark Langford, Huntsville, Alabama see KR2S project N56ML at http://home.hiwaay.net/~langford email to N56ML "at" hiwaay.net