I made some experiments the last 3 days. I found that a 2mm fat wick is best for 3,7 volts. A 3mm or a 3,5mm fat wick is best for 6 volts.
Also, I always make a very tight coil around the wick. When I leave it loosy I have burn taste all the time
Also, I always make a very tight coil around the wick. When I leave it loosy I have burn taste all the time