excellent shots aquila. that turn-pitch-bank one is my favorite. claps to Winslow for that livery too, definitely.
Ralf, well... it's just a thrust-weight = performance situation, like a racing go kart. the engine in the xM!G is an off the shelf Pratt Whitney PW 615 I believe, very efficient, generous thrust, in such a small plane it makes for spectacular performance.
here's the topic about the engine choice/fit in there
viewtopic.php?f=39&t=477the PW610 would fit better, and be more prudent... but, the xM!G is not about prudence.