U Can Do 3D/ engines
I have a Magnum XLS-91A 2 stroke on mine and I love it. It will hover at a little over 1/4 throttle. I used lock tite on my muffler to keep it from rotating. It fixed the problem. Otherwise it is a great engine for the price. I am running an APC 15-4w on mine. I don't have RPM numbers though. A 14-6 is good as well.