Empennage (Section 6): November 2005 Archives
You may just be able to make out two lines one blue indicating the rear of the front spar and the red line which is offset 1/4" per the drawing. The stiffeners have been marked out, cut to shape and deburred except for the leading edges. I've left these just to ensure that the lengths are adjusted perfectly against the red line. A 15 degree angle is also required.
