Hello, people!
My build is with one coil:
SS316L, 28ga, 2.5mm, 7 wraps, 0.64ohm, 12w, spaced, on Bishop RTA.
The problem is that the coil heats from one side first!
This is at the beginning, then, after a moment, as it should - from inside out.
This happens when the coil is cold. When it has...