Wing platform -- 4' cord, straight wing to 9' ( wing strut attaches at 9') then tapered for the next 10' with a 3' cord at the tip rib with straight LE. Then a one foot long wing tip. With a 24' wide fuselage = 153 sq ' of wing area. 800 lb GW = 5.228 lb sq ' wing loading Say a EW of 500 lbs and my 230 lbs and 40 lbs of fuel = wing loading of 5.03 lbs sq'. Total Fuel cap= 10 gal. 1835 cc, 60 hp , VW engine weight about 140 lbs firewall forward, so that leaves about 360 lbs for the airframe less firewall forward engine weight. Culver 60'x 24"/26" prop. Engine rpm @ 2640 is about 2.9 gph. That is about 55% power. The SSSC cruises at 80 mph with the door up and the windows close at that rpm and fuel burn. So the motorglider should have less drag and maybe cruise at 85 mph or so. Comments == Am I far off ?