Originally Posted by bob93447
I'm flying my great planes reactor with a Scorpion 4020-12 (542 kv motor) using a 6 cell 4000 mah lipo with a 13x8 prop (Xoar preferred). Flys great for sport and general aerobatics. I could drop down to a 5 cell setup and run a much bigger prop if I wanted to do 3-d.
Bob, I just ordered a Hyperion ZS4020-12 and Bob at AlleRC recommended starting with a 12x6 to start with, then move up and try some different props, etc. My batt will be 6s 5000 mAh Hyperion. Will do a little trial and error, see what gets me decent speed, longest flying times, least watts.