But flown as a sport engine almost any modern 0.25 will blow it off.
Hmm....it might not be great, but I have a real hard time believing that.....
Fox's .60 Eagle beat virtually every other popular engine when independently compared by Model Airplane News 3-4 months ago for power to weight....even Tower which looked to me like it came in a close second. And, for all intensive purposes that is a 20 year old design.