ORIGINAL: Hobbsy
Dar, I could convert my LA .65 back to glow and run a Bolly 12.5x6 tomorrow and get some numbers using 5% nitro/20% castor.
Dave,
Good luck on that. I believe you will be seeing very close to 11,000 RPM on that prop size.
It should load the engine about the same as an APC 12x7...
Cheers.