I know I am kind of late coming into this thread. I was wondering why not use the combo that is very popular with the Aeroworks 60/90. A .91FX w/performance specialities incowl muffler and a 15x6 apc or the 15x4w APC for more rpm and thrust. Also the 15x6 or 15x4W would seem to be a good choice on the satio 100 for max thrust too.