Riveted the counterbalance assembly to the right Elevator. Riveted the bottom of the spar to the right Elevator. Riveted the end spars to the right Elevator. Cut wedge for trialing edge of right Elevator. Drilled holes into wedge and bottom of elevator skin. Deburred holes and dimpled both trailing edges. Drilled angles for support for trailing edge. Need to countersink wedge, then ready to glue up trailing edge.