Wick materials. Safe vs dangerous.

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EvilGrym

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Ha!, just googled it myself and you know what?, I had no idea there was such a thing as a Tolstoyian (actually Tolstoyan):facepalm:... apparently ol' Leo cooked up some new religion...for the record, I just called this thread that in reference to the fact the Leo wrote some serious looong books

He means Tolstoy, great russian wrighter. He wrote a lot. War and peace, for example.

Big brother keep eye on you all :D

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tiburonfirst

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The different grades do have slightly different resistivities.


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due to the shortage i went with 33awg a-1 from the same seller when i ordered, i don't expect there'll be too much of a difference. not sure if it's still available .........
 

Quigsworth

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He means Tolstoy, great russian wrighter. He wrote a lot. War and peace, for example.

Big brother keep eye on you all :D

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Sh.. Dad's home...

we've been talking only about cotton, honest...the Tolstoy thing was...ah come on! 2000+ posts, things are gonna drift from time to time :laugh:
 

tiburonfirst

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and a question before i go

why are some people using both nonresistant and resistant wires? the combination makes sense to me since you can predict the overall resistance over the wick. in contrast, using just the resistant wire seems to be a guess work of final ohms achieved depending on number of wraps, or no?

go easy on me - i'm still pretty new to rbas ;)
 

ratpack7

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and a question before i go

why are some people using both nonresistant and resistant wires? the combination makes sense to me since you can predict the overall resistance over the wick. in contrast, using just the resistant wire seems to be a guess work of final ohms achieved depending on number of wraps, or no?

go easy on me - i'm still pretty new to rbas ;)

that's my thinking... I use nr wire so I know the exact ohms.
 

Quigsworth

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and a question before i go

why are some people using both nonresistant and resistant wires? the combination makes sense to me since you can predict the overall resistance over the wick. in contrast, using just the resistant wire seems to be a guess work of final ohms achieved depending on number of wraps, or no?

go easy on me - i'm still pretty new to rbas ;)

That configuration is what is used in Ody's and Penelope's, I also use it exclusively in my SGV3...basically it's a way to get exactly the resistance you want on your coil...the non res "leaders" then attach to your contacts/post/whatever...
 

tiburonfirst

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thanks - at least now i know i understood the principle correctly.
i have received chopper71's atom, my one and only rba, and i'm very pleased. i'm not as adventurous as most of you. i will pamper the original wick and wire before trying to do my own. atm i'm looking at what has the best chance of success for me ;)
 

TomCatt

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Somebody should probably check my math; but here's what I've come up with for Kanthal resistances for the different grades:

Kanthal Grade------ A-1 ------- A -------- D

30 awg (Ω/in)----- 0.7 ------ 0.7 ------ 0.7
31 awg (Ω/in)----- 0.9 ------ 0.9 ------ 0.8
32 awg (Ω/in)----- 1.2 ------ 1.1 ------ 1.1
33 awg (Ω/in)----- 1.4 ------ 1.4 ------ 1.3
34 awg (Ω/in)----- 1.8 ------ 1.8 ------ 1.7
35 awg (Ω/in)----- 2.3 ------ 2.2 ------ 2.1
36 awg (Ω/in)----- 2.9 ------ 2.8 ------ 2.7


Spreadsheet calculations

ETA: HAHAHAHAHAHAHAH!!!!!!!! I did it!! I got this (#$#$*))(%*($)# forum to set my $*$$*##&@@) stuff up as a TABLE!!!!!!! :blink: :blush:
 
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L7D4N

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For what it's worth, if I have time to make NR-R-NR coils, I will, as this will ensure the resisted portion of the coil is against the wick. If I have to make a coil where the legs will be away from the wick, using NR legs for the coil will ensure you have no hot spots and/or burned liquid.

NHaler used to sell these pre-made, but either no longer does or they're always out of stock. I've been using .999% Pure Silver 30ga wire for my NR legs for a few months, but haven't needed to use them on the Phoenix Rebuildable as the cup size is super small.
 

roadrash

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phenie rba with ss wrapped cotton.

th_bullygen2.jpg

I just got one the other day. First thing I did was rip out the stock coil and wick and rebuilt it with gauze. To my surprise it wasn't that good.:?: WTH is going on? I put my magic cotton in it and I was disappointed. :(

So I tried a vertical genisis ss style with gauze. It's a lot better now. With the wick sticking up I can get more joose in it just by dripping it in. ;)

Ya know sometimes we already have the best set up but we don't know it until we try something else. This phenie really makes me appreciate my E-2's.:)
 
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