RE: Show your overpowered plane...
I have a Superstar 40 Trainer with a Saito 72 up front spinning a 13x6 only due to ground clearance issues. I am able to hover, knife edge and slightly torque roll with low wind.
DTB
Also have a Four Star 60 with a YS .91FZ, Fat Free Taco (.25 size profile) with a Saito 40