I have a Magician. I built it 20 years ago and still fly it from time to time. It has had quite a variety of engines in it over the years as I tend to use it as a hack for testing rebuilt engines. It started out with an OS40FP then an ASP 53 then an OS40LA and finally an Irvine 40. In my opinion, a 40 is more than powerful enough. Pleased to see the kit will remain in production despite the demise of Galaxy Models.