RE: problems with himax 980
The 11x3.8 is kinda too much for that motor unless you wanna run 2S only. I am running the 10x3.8 on the 2816 for 3S. Why not something like the 9x4.5? What plane are you flying? You can use the 10x4.7 or 10x3.8 but try to resist going on full throttle for long.