I'm afraid this is all I have. Just a drawing. Not good at computer drafting
The upper and lower pieces are are left to your own disgression as to what plane you want to use.Sort of eyeball engineered. There are doublers on the sides of the fuse at the front to brace the 1/16 aircraft firewall. The landing gear wire is tied to the plywood motor mount with dental floss and CAed. I make my own horns from 1/32 plywood, as you can make them long to extend towards the rear of the surface to help keep it from bending. They're put together with hotglue other than the front doubler where I use UHU POR. I use it as a contact cement. Smear both halves to be glued together and let it sit for about 20 mins., then line them up good as once they make contact, you won't get it apart. Paint is DecoArt that you can get at the $ store. It'sthinned with water and spread on with a piece of sponge. Not exactly a work of art, but at 20 FT they look OK. Hope this helps.