ed , some unanswered questions,first being the sherlock holmes that i am,i have to believe this is a smaller 3 channel plane or else you would have run into this problem with the ailerons,there are many different hinges out there,smaller planes and beginner builders should find the "ca" hinge to work the best,you simply make slots in the balsa with a razor blade or #11 blade and insert the hinge,with a smaller plane try to slot 3 hinges for each side of the elevator,once you have sloted both the stab and the elevator insert all hinges check to make sure they have a snug fit then bend the elevator down exposing the center of the hinge,put two drops of ca glue on them,they will act like a wick,after a couple of minutes tug on the elevator to make sure it took,it is best to do this after covering the model