peeka.
The T-28 may tax your building capabilities depending, but you should be able to fly it. Keep it light and stay away from too many details for now. Personally I think you should go ahead and start building it, but take your time and also start a sig 4 star or something as your second plane. By the time you get your T-28 finished, you'll have a lot more flight hours. I hate seeing guys smash up planes they spent 100's of hours building. Really makes me sick.