I have an older OS Max 40 four stroke engine. I have not used the engine yet but I am told that power is similar or slightly higher than the newer OS FS30 four stroke. I am looking to put it in a smaller, trunk sized ARF cabable of 3d or extreme aerobatics. I want to practice hovering and torque rolling, etc.

I was looking at the Sportman Aviation Waco 30 Bipe, the modeltech extra 300, the world models sukhoi 30. I am not sure any of these are capable of doing true 3d. I already own a tower uproar and tower extra special 40, but these are both more like fun fly planes. ANy other thoughts or suggestions?? Thanks.