Hasn't that thing crashed yet? I seem to remember seeing that about 4 years ago at the Kittanning funfly.
Here's one of mine. A Hannger9 Frenzy with a 19.8cc Mitsubishi engine. YES... the MAG and flywheel is under that cowling. (it's a very small engine) It swings a 16x8 at 8000 RPM, and the conversion only weighs 41oz. That gives this frenzy a flying weight of 8#, 2oz.