the la 46 is a verry good reliable engine with plenty of power ignore anyone who says otherwise!!its a verry good reliable engine for a trainer plane and will power any sports plane thats a 40 size!!!.sure theres more powerfull engines but if your new you shouldnt go near them yet!!!.stick with the os 46 la and you wont go far wrong.you seem to be posting this question quite a bit and this is the second time ive posted this answer .i hope this helps dont forget reliability is the most important thing!!.just read my other post on this engine and if you do buy one you wont regret it lol!!!.