Hi, 3rd post, been experimenting with rebuilding a protank 2 with duel coils,(32ga (k)A1 wire with 100% cotton thread wicks) been doing 12 to 14 wraps with wire. On my evic at 4.0 V, 10.0W, and 1.6ohm's. Bottom of tank gets pretty hot?? is this normal or did I do something wrong??