With the stab skins cured, the skin edges can be sanded flush to the cores.

The included drawing shows the location for the hinge cut lines for the 3/8" balsa caps. This location can also be obtained using the stab root rib as a guide. The end of the root rib can be marked and used as the cut line for the stab trailing edge. Please note: in picture #4 there are extra marks that are aligned with the spar tube holes. These marks are not relevant to the marks for the location of the TE cap.

Extend this line out to the tip. Be sure to stay square to the root edge. Measure the location of your line at the tip and make sure it turns out the same on the other stab. Another line marked 3/4" further back (toward elevator TE) and the stabs are ready to cut.