Ralph,
I think I'll eventually have what's needed for the subject of this thread!
6' length!, 65" span, 850 squares, framed up surfaces, plug-in wings, once piece stab, 3/32" skinned top deck, skinny foils for good penetration (13% wing, 12% stab), etc...
The original was a tank at 11+ lbs. I'm hoping for 9 lbs max for 80 RE power or,... one of today's monsters such as a YS Classic or a YS AR/OS Hanno. I'm thinking 13" props.
Work in progress...
David