CGM Ultimate engine - big mistake?
I have an ASP 1.08 turning an APC 15x8 around 8500. Model weighs 9lb. The 1,08 is light and provides vertical performance, and also, slow vertical acceleration.... when it runs properly!
The 1,08 is in a .60 size crankcase, and mostly fits in the cowl except for the cyclinder head.
No lead necessary.