Golly Jim! Is Mark another 4 mph faster? Are there any pictures of Mark's VG set-up in the files yet? Great work, Mark!
Any join of surfaces greater than 45 degrees should be contoured (beer can fillet) for minimum drag. I have not seen (noticed) any that have such a fillet below the main wing on Qs.
Larry Severson Fountain Valley, CA 92708 (714) 968-9852 larry2@socal.rr.com