I'm going to have to concur with Skypilot_one and Paradiddle...A YS91 is equivalent to anyone else's 120 and is plenty of power for this plane.

With a 15-8 prop on it, don't have a stiff neck when you take off as you won't be able to move your head enough to track it. Eight pounds of balsa and plastic become a rocket.

This is a plane to just relax with, practice your turns and loops, takeoffs and landings. It isn't a CAP and wasn't designed to be.

It is a plane that offers beauty and grace to the pilot and the spectators.

I haven't put the incidence meter on it yet, but one to one-and-a-half degrees wing incidence would be better than the three degrees presented.

But at 1/2 throttle you won't notice the difference.

I'd rate the Spacewalker a seven (7) on a scale of ten (10) for pure relaxation and enjoyment.