Waltzing Matilda
THE WALTZING MATILDA Wakefield, which placed second at the 1979 Taft World Championships, is a variant of a typical Australian design. Her longer tail moment, dihedral in the tailplane, and the ARA-D prop airfoil (as featured in the 1979 NFFS International Symposium Report) added up to a design that could hold its own against the best in the world. It is all due to the way the model is trimmed to fly, which I will now describe. The model originally had the center of gravity (CG) at 65%, but this was changed to 66% in the

