RE: Sig ep 42B
I cant speak to the brushless motor and esc combo that comes with the new Kadet EP42 b but I have a Kadet EP 42 that I upgraded to brushless with an EFlite Park 450,a EFlite 25 amp Pro. and 11.1 vt 2100 amp Lipo batt
The plane flys and handles very nicely. I am pretty happy with it.