what is coefficient coz i try to match a nichrome 0.25mm at 2.4mm coil with 10 coil turns and your app say is need it for 2.3 ohms 13w or 5.6v.well is wrong me mod burn the silica from the second puff.i change it again and doit at 7w 4v up until 10w 4.8v and its ok but your app give me warning coefficient, what is wrong?
MicroCoil Calculator at Google Play market analyse