OK, I'm really digging this latest build... a "zipper" coil using the .8mm ribbon. All the surface area and ample juice delivery of a dual coil, but in series, not parallel, so it's still about 1.5Ω, and hopefully won't drain the battery so fast. It's been making some impressive clouds so far, and tastes great.
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Thats impressive! Can you share how you built the coil? I'm having a hard time understanding how the coils are in 'series'.