Originally Posted by DPlumpe
I think you'll find it is actually about 80" span. Note the 4" wing rib spacing on the plan and the scale of 2-1/4"=1'. Full-scale span was 36'4", which would lead to a model span of 81.75". According to the scan I have, it was published in October 1937 "Popular Aviation".
Thanks Dave, I was being a bit thick there. This would make it a very suitable vintage model under our rules. 1937 give it lots of age bonus. The clarkY ish section will work well and we can use ailerons, at least for now. It will make a lovely scale subject too. The best of all worlds. I think I have found my next project!