Originally Posted by
Tip22v
I have flown them with both a120 and a 140. The 120 is more than adequate if you keep the over all weight down to around 27lbs, which is not hard to do with this jet. I prefer the 140 because I like a little more thrust authority. Landing is about the same with either.
if you are operating from thick grass the 140 might be preferable.
That helps that you have flown the Classic with both!
I should have mentioned that I will be flying it on paved runways in the Phoenix area where elevation is not an issue.