I replaced an OS 46AX with a Saito 82 on a Funtana X50, and I was VERY happy with it. Unfortunately, I snapped the wing off of the Funtana, so I don't have that plane any more, but I don't feel that it was the engine's fault. Would the same thing have happened with the .46? Probably not, because it didn't have nearly as much power as the Saito did, but I pushed that plane to a point BEYOND it's limitations.

The 82 Saito powered that plane into snap rolls plane faster than I could count the revolutions - no kidding! It sure was fun while it lasted. If I had backed off of the throttle, just a LITTLE, perhaps I wouldn't have lost that wing though. So, I guess what I am saying is - go for the 82 Saito, but just use a little judgement on the throttle. These planes, just like real ones, DO have limitations!

BTW, the Saito survived the Funtana's demise just fine, and it is now on a Showtime 50. I haven't flown the Showtime - yet!