2.5 hrs
Fabbed 3/16" keys for temporary mounting of control surfaces. Cut up a piece of brass rod into 2" lengths, sharpened one end on the belt sander, and put a slightly acute bend in after heating with a torch.
Installed counterweights on elevators.
Mount elevators to horizontal stabilizer. After checking travel, clearance of the elevator horn to the HS, and relative position of each elevator, take them off, adjust the hinge eye bolts, and put them back on. Repeat about 4 times to get it just right.