38. Use the same method as the aileron to mount your elevator
control horns.
39. Make sure all the allen bolts come through the back
plane of the control horn. You can cut the bolts flush with a
cut off wheel.
40.Stab Tube Installation:
The next step is to drill and tap the tail tube.
Insert the tail tube into one side of the stab and
then locate the predrilled hole in the stab. You
will need to drill the tube to accept a 6/32 tap.