Cermark F16/w OS 91 DF motor
Man O' Man....I've heard it all now.
Now, I don't know know if you're familiar with the Cermark F-16, BUT if, this was to fly the way you think it will, ya better have a hefty bag and push broom handy for when this plane comes apart.
You'd be better off with the F-20, due to the cleaner lines.
I also have to question the .91 turning that kind of RPM, with a 12" prop. Maybe with an 11X8.
My .02
Gary