You can use nichrome wire in claptons but using them as wraps is better than as the core wire. The 30 gauge is a bit thick for clapton wraps(34-40+ gauge is best wraps) so its going to have some ramp up time to get a good vape and quickly drain your batts. With claptons the mod registers the core wire(s) and the wraps just transfer heat so using kanthal core with any SS, kanthal or nichrome as wraps really doesn't matter, just some wire heat up faster than others. I build using 34 SS, Kanthal or nichrome wraps and all the claptons work dandy. I like building a 1.4ohm 2.5ID 30K/34SS clapton, its easy on the batts and produces a nice vape. Putting a big 3.0+mmID clapton into a subtank mini blocks a lot of the airflow so the smaller ID coil works much better. I don't use the 34 nichrome as much as SS and kanthal as wraps in my claptons but use 24-30gauge SS and kanthal as core wire. I tried to make twisted core wire clapton and didn't like the results so stick mostly to single core claptons.
I enjoy claptons enough that I haven't dwelled into other more fancy multiwire building.
Learning to thin the tails to remove bulk rather than cutting them will improve the juice flow to the coil using large ID coils with massive thick tails.
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