Great info ty CP, looks like at 150 sq 11 sq per oz on your end a 4p at 26.4k gets you to 100 .
So 118 sq in if at 10oz 11.8 squares per oz.
I have a nelson head/plug adapter perhaps used with the 4.5 x 4.5 my carbon plastic prop I could do 25k / 40% nitro -which will take me to 106.
88 sq/in 8sq per oz should give me a big edge over drag. I would imagine anything over 40mph the wing is producing more than enough lift to fly near 0 incidence. I wanted the stunt flaps mixed with the elevator for fun flying but will be a must if forced to land down wind dead stick or in dead air.
Based on the Lil Speedy at 5.3oz a 6.5oz - 2ch with a cox .049 reed engine at.55 sq in wing would be 1oz per 8.46sq in.
No landing gear the bare mins. I may try a no fuss build with my modified .049 at 35.7g with prop or 7oz with a TD.