Went back to this design last night. it's based on the old Centuri mach 10 which used an angled tail and an offset motor and ejected a nose weight for glide.
My previous version used a center mounted wing and no angled horizontal stab and did not eject anything. For this version, I rolled a 2mm depron skin over a 4" body tube double thick using 3m-77 contact cement. I then mounted it to a wing, the vertical tail slots through the tube put a 1" keel on the bottom to stiffen the tube and mount my rail buttons on. it will also protect the servo arms from landing damage. I made a cockpit from photo paper . AUW empty is 7 oz, with radio and rocket motor is 11 oz rtf,.
The tube is completely flow through
24" long, 32" wingspan, 4.5" tube, wing loading a bit over 5 oz/sq foot.
...Continue Reading