Still so NOOB: Dual coil resistance question - how many ohms is it really?

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vangroover

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Cloud Wizard

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Dual coils actually half the individual coil resistance so a 2.0Ω reading on a DC is actually 2x 4.0Ω coils. So if your looking at the watts (roughly equal to heat produced) at each coil look at 4.0Ω but the remember that the overall current (draw on the battery and switch) is based on the 2.0Ω overall resistance of the whole head.
 

steved5600

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Here is a pdf file that explains Dual coils graphically. I like to look at a pic of things to understand them. LOL Like the old adage. http://s1259.photobucket.com/user/delanos53/media/coils2_zps8bbeb76f.jpg.html?filters[user]=126786968&filters[recent]=1&sort=1&o=0 Hopefully when you build a dual coil they will be close to the same resistance. The advantage in dual coils is that you can get more vapor with less wattage per coil than just a single coil. You double the coils surface area. But there are limits on how low you can go with APV's as they have safeties in place to detect low ohms. None of my mods will let me use anything less than 1.5 ohms except for my Mechanical Mod. No chip in the way. When calculating volts for a dual coil you double it but you can drop the voltage/watts a bit because you have a lot more surface area to get the vapor from. Hope this if of some help. As with most of my comments this is IME. Others may disagree.
 
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