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Kanthal question
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Almost Jaded Offline
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Post: #21
RE: Kanthal question
Tin - PaulS hit the nail on the head; it's about surface area.  Build 2 1.0 ohm 28 awg coils on one RDA, and a single .5 ohm 24 awg on an identical RDA.  Fire them both.  The difference is subtle, but notable.  The multi-coil build will make more flavor and vapor.  This difference is amplified he lower you go.

Beyond that, there's the resistance vs surface area thing.  2 .5 ohm coils make a lot of very tolerable vapor, good for a nice long, hard hit.  A single .25 ohm coil OTOH, will fry a wick in pretty short order.

The balancing act matters a lot, I've learned.  I try not to ever have a single coil below .3 ohms, and really .4 is on the receding end of the sweet spot, as far as how much coil (wraps and diameter) is appropriate for ejuice.  Once you break the .3 ohm per coil barrier, things start tasting burnt in a hurry.  YMMV according to wick material, VG/PG ratio, etc - but this "rule of thumb" is extremely workable.  

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(This post was last modified: 20-11-2015 01:35 AM by Almost Jaded.)
20-11-2015 01:34 AM
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