jetmechord42
07-11-2014, 10:22 AM
I bought the plans for this glider from Ron Sands. His father drew the plans in 1978 .The air foil in the plans our out of date and the son recommend a Clark Y air foil .The EAA has some old 1930's books and list a Northrop glider ,which look almost the same as the1928 glider plan that Ron Sands sold me.The EAA 1930 book with the Nortthrop glider shows a U.S. 27 modified airfoil that gives higher lift at lower speeds. My question is their a better airfoil for this glider.