Keith,

I just wish it could happen that way for the power output.
It's like buying a 140.

Have anyone thought of using YS 91ST? :stupid:
I am trying to find the price and availability for this engine in US, but have not found yet.

It is lighter by 210gram and should be able to turn a similar size prop with 91AC/FZs.
Since I am only going to use this engine to use on 3D plane and the headers can be custom built by Karl Mueller, I think it is a very good alternative.

YS Performance has the conversion kit for drive washer etc to use this heli engine in plane.
If the price is about the same with 91 4-stroke, I will get one of this instead of 110.

By the way, the Hanno is still in a box. I just got a Hatori 650 last month to use with Hanno. However, I don't have a plane for the engine yet. All my planes are new in box for 90 size or 50 size and smaller. I have nothing for 60. I am sure I will at least find a plane for the hanno or scratch build one, but that is after I solve my BeatOn problem on using a larger 2-stroke engine.