RE: Super Cessna by Shulman Aviation
Next is the tail assembly. Shrink the covering around the tail area BEFORE cutting any covering. Once that is done, locate the 3 slots for the fin and removed the covering from those areas. Now put the fin on the fuse and traced an outline of it onto the fuselage. Using a hot knife (or soldering iron) trim the covering away so the fin can be attached to balsa. At this point, remove the covering from the sides of the tabs on the rudder where they go into the fuselage.
The stab cut-out is even easier. Find the stab slots on the sides of the fuse and use a sharp knife, or your hot knife and cut out the slot on each side, and around the back. Now open the 2 stab alignment pin holes in the bottom of the fuselage.
Once that is done align the stab (to be parallel with the wing, and square to the fuselage like the diagram) in the slot and mark it where the fuselage is. Using the hot knife, I removed the covering just INSIDE of the marks so that once it is back in the fuse, no balsa will be exposed. Test fit the alignment of the stab (pin in place with the 2 wood pins) with the wing and it check that it measures square to the fuselage again.
With everything aligned, use thin CA and glue the stab in place. Let it wick in from both sides on top and both sides on the bottom. Do each side and let it sit for 5 minutes making sure you don't have any runs.