IMO 28 gauge is a little big to use in a Kanger coil. I made one 10 wraps around a 1.4mm micro screwdriver and it came out to 1.4 ohms. I use 32 gauge, 7 wraps around 1.4mm and it comes out to 2.3 ohms...
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You definitely need a way to check ohms before you fire it if you don't have one! I use my MVP2.
Also if you have an android
device go to Google Play and download "Vaper's Toolbox"! It's an app made by a member here (ScottP) and it will take the guess work out of how many wraps you need to get your desired Ohms! (oh and it's free!)