I have the sensation with a y.s. 53 inverted it will hover with this engine. As far as all out 3d this aircraft really is not intended for that type of flying. The control surfaces are not big enough. I also had to add three #6 washers (6) total, to add more right angle thrust. The aircraft tracks very well and was intend for pattern type flying. This is what I bought it for to see if I would like pattern this year before I spent the big money on an aircraft