I am thinking I will do a larger Profile Scale Chipmunk. The existing 1/8 scale airplane has a 51 1/2" wingspan and 402 square inches of wing area. A 15% scale airplane would have a 61 13/16" wingspan and 482 square inches of wing area. a 1/6 scale airplane would have a 68 11/16" wingspan and 536 square inches of wing area. The 15% size would be a 40 size airplane. The 1/6 scale airplane would be a .45 size airplane.
Let me know what you think.
Pat