Next comes the leading edge, trailing edge and wing tips.

I did not want a blunt leading edge and first thought about using 1/4" bass wood. However, with the 48* wing sweep the hard wood did not have much mating surface on the ribs. After some testing I decided on mid weight balsa as it let me use firm pressure for the surfaces to fit well and the sheeting made it surprisingly strong. While it will take mild abuse I would not fly it into a tree and expect no damage.

Tilting the end ribs up I was able to see a perfect alignment before installing the trailing edge and then gluing everything including the end rib screw joint. I also install 1/4" tri stock on the trailing edge for the elevon to pivot on.

Wing tips are out of 3/8" x 2" balsa and cut as shown on plans after putting a 20* bevel on one edge with a small table saw. I marked the center on the edges and started sanding. An electric sander would have been nice.

The second picture shows the laser cut vertical fin support with spacers on the fin support and bottom sheeting for a 10* fin tilt. I hope the patch repair does not through off the lateral balance.

The sharp leading edge and the the wing tip design was discussed in the aerodynamics section and it seems I am not breaking any rules to create unwanted vortices's. Those guys are not afraid to point out problem areas if you have a bad idea I found out.