The Emeraude led to the development of the Cap airplanes. Amazing huh? The Mexican Air Force still uses them for training. I am planning to bash mine into a Cap 10B. That explains the desire for more power.

I was thinking a 120 would be pretty snappy, but I really have no idea. 40 pound airplanes aren't something I have ever flown. After asking a couple local friends, seams all the Caps, Yaks, Extra in the 40% size are using 150cc - 170cc engines, some of them are on pipes too. Those do have unlimited power at this altitude.

I'll start looking at 120cc - 170cc engines. Thanks guys. [8D]