I can't comment on the .25 Ultra Stik but the Mini Ultra Stik flies quite well and is right at home at a normal glow flying field. The recommended park 450 outrunner flies it quite adequately but if you want insane verticle performance, go with the 480. It's a little on the fast side to be a "park flyer". I have flown it in 10-15 mph winds with no problems but I am not a beginner either.