This a Global Right Flyer 60 size that was converted to remove the rubber bands.
Just added a piece of 1/4 lite ply to the front for the dowel to slide into, and bulit up the back saddle with a anothe piece of 1/4 with maple blocks under it. This was to allow the 1/4 nylon bolts.

Made a small cutout in leading edge of wing and insert 1 1/4 inch dowel with lots of epoxy...

Project was a lot of fun and aircraft flys great.

Hardest part was removing the sticky back covering.