After a lot of trial and error, i have built at 1.7 ohm microcoil with 9/10 wrap .28awg kanthal on an igo-l.
Now, as a precursor, i must say i have always been a proponent of sub ohm coils. I love the vape of a .6ohm igo-l on my mech. I absolutely love the vape of my AGA-T+ dual 1 ohm coil, which is .5 ohms overall. But, i do see the safety issues in new users building this style of coil on any rba/rda.. We constantly see "why is my switch hot" and whatnot. So saying that I will say this. . .
I love the micro coil. (For the micro coil aficionados i understand it's not tight, and there are other issues, but i have been playing with this new thing (to me), so i appreciate any and all advice on how to better it.)
Edit: this is used on a vamo
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As for the comparison to sub ohm coils -
The flavor is there, it's amazing, right on par with a sub ohm
The vapor is there, slightly less than a sub ohm. I like it.
I do have two airholes on the cap. I have an igo-l with one air hole drilled out, but i used the one with two air holes drilled out. Overall i prefer the two holes, whether it be sub ohm, or this micro coil at 1.7.
Any comments/suggestions are welcome, as i said i love sub ohm, but i'm playing with this micro coil business and i love it.
I also think that as close as it is to sub ohm, any new person beginning to rebuild, should absolutely try this route before sub ohm.