i went with the het setup,2w25 2660 kv motor, 5s 3300 20c lipos and a 70amp esc,i used a 5.5x4.5 prop,and also a 4.7.4.5 on 5s,mine would do 140 easy,i aslo ran 2 4s 2200 pack in parralel,gave me great flight time and the plane handled it well