RE: OS 46 LA
Hi!
All OS LA series of engines are good! Very user friendly and have very reliable throttle response. They are perfect in a twin or in a trainer airplane and for new comers to the sport/hobby.
But they should be propped right!
11x6 or 12x4 for the OS LA .46 in a high winged trainer....never a 10x6 in such a plane.