If your going to go with the Sig Senior Kadet, which I highly recommend, go with the ARF version. It is built EXACTLY like the kit, saving you alot of work. At $199.00 it's a steal, if you value your labor and time that it would take to build the kit. Also the ARF has a reall nice fiberglass cowl that really makes the plane look awsome and full scale like. I have a Tower Hobbies .46 in mine and it works perfect. None of the other trainer type planes in my club can fly and land as smoothly as my Sig Senior Kadet ARF. In a little breeze, I can come in and land at about 1 mph. Awesome!