Metal Rib Templates
IF YOU LEARNED about shaping ribs the way I did, haggling around the fuzzy, blue outlines of a 25-cent kit with a razor blade, you quickly realized that there had to be a better way. The razorblade-and-eyeball technique, when I used it back in 1930, produced some extremely odd airfoils. The spar notches always had to be "nibbled" a little to line up the spars. My first efforts at a better way of making ribs involved the use of templates made of stiff manila board. Later, I tried using flat-

