I am interested in the Excelleron 90. From what I have read it is a great ship.

I own an OS 91 4-stroke engine that I would like to use. I will either fly Sportsman or Intermediate type maneuvers. I understand that many pattern contestants are using YS110/YS120 4 stroke, OS 91 2 stroke with this aircraft. Again I am trying to use an engine that I already have. Do you think it will fly the maneuvers of Sportsman or Intermediate with an OS 91 4 stroke, no pump?

Thanks,

ed

P.S

If the above will not work, give me some choices in ARF's that will work with my engine. I think the Excelleron 50 is to small.