> I have no idea sorry. I don't like 2 strokes for pattern type flying. They are fine if you intend to fly at full power all the time but they just suffer in the torque curves at
> middle throttle positions. If you want to fly pattern with a Focus Sport I think you should use a YS 110 it is an excellent combination.
>
> Troy

Thanks Troy. I see your point about the torque curves.

I'll go ahead and use my YS-110 then. The prop discussion on the thread has been useful.

atul