Wick and Wire Guidelines (?)

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Shaitaan

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Yea, I see pmtoolco and coinswiesiek both have kanthal at $3.75 - 4.50/ 75' (32 and 36g)

Oh, here's a chart with gauge to mm: Wire Gauges

yeppers...ive bought kanthal 32ga from coinswiesiek...$3.75/75ft....I have enough for all my mods, for quite a while...nice guy, quick shipping
 

dspin

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nevermind that one... (deleted) Actually, the wire is in stock at COV. I do need to order a lot, though. I can't seem to find the kanthal wire via google search, but I'll look at the iatty and ody threads.

Can anyone explain the role of the wire thickness?

As far as I know - throw away attys are made w/38 gauge wire. 36 gauge was shipped with Odyss. Read on for an explanation by the creator of OD.




This is what Imeo said about Iatty::

Guys, the thickness of the wire plays as big role as watts do. If you put a thin 3 ohms wire (0,1 or 0,13mm) on a 3,7 volt device it will work. But if you do the same but with a fat wire (0,16 or 0,18) it will not work or it will work but with much less smoke or hit.
About vaping experience, dont forget the wick we use.

In another post::

Zor, if you wonder what I have thought, I have already said it on forum 2 times but noone paid real attention. So, lets say that I make a resistance at 3 ohms with a 0,13 mm wire. Another man makes a resistance at 3 ohms with a 0,25mm wire. We have both same watts, yes? The second man will be able to vape? Not at all. So watts is not what we really need, its a useless unit. Changing volts is more efficient even if it looks like the opossite is better. But changing volts we are not sure how far we have to go if we want to have the power we need to burn the liquid, because of the width of the wire.
 

critterbug

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dspin, Thanks! That is super-helpful. I just can't say I "get" it. Combining that with para's link about thicker wire having lower resistance/distance because more electrons can move along the space, I'd think that the thicker wire would heat up *faster* given the same voltage. So does the thicker wire take more voltage to heat? I know I'm really missing something here.
 

critterbug

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Aaaah. Geez, Morfeus. That is it. ^ Such a relief when it makes sense. Thank you!

I'm learning a lot more about electricity now. I'm sure I memorized a bunch of related stuff for tests and whatnot, but until it's relevant, it doesn't stick.

Hrmm. Now I'm wondering if the 32g/.2mm wire I ordered is going to be too big for my LRs on 18650s. I thought somewhere Imeo recommended that, but I may have misread. We'll see how it goes.
 
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Vaporologist

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So it is good or right to say the following???

36awg is good for 2.5~3.0ohm
34awg is good for 2.0~2.5ohm
32awg is good for 1.5~2.0ohm

That's what I've heard before but my last coil came out to 1.7 ohm and I made it with 0.15mm ODY R wire which is much thinner than 32awg and I like it much better. It gets hot quicker and that works well for my style of vaping since I prefer taking short drags. I believe Imeo suggest using thinner wire (34 or 36 awg) regardless whether you are making a 1.5 ohm or 3.0 ohm coil.

Someone please correct me if I'm wrong.
 

dspin

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You can use a 32 gauge wire to make same resistance you would use a 36 gauge wire. However, you would need more volts for the 32 than the 36 since wire is thicker - you would need to drive it harder. If not it would be a cooler vape, less vapor at 3.7 That's best way I can explain it.

To me, I use diff gauge wires - I try them all on my rebuildables. I find the combo I like best and use that. Some people will like 32 - some 34 and some 36. None of them are wrong - just what a person likes. Thus far I like 34 and 36 on the Odyss. but that's my personal preference as of today.
 
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Shaitaan

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ok peeps, here goes nothing....... regardless the gauge size, especially for the resistance wire....for example...... 1.5 ohms is 1.5 ohms.... heating up the wire at any of those guage sizes will not matter too much. granted, smaller gauges, its a matter of a couple of wraps more for the same resistance as one size larger, but who cares really...they will both do the same thing. granted, the smaller it is, the greater likelyhood at higher voltages, you will melt the smaller stuff. determining a gauge size isn't a voltage thing, its how much current it can handle.... simply put, voltage is the 'potential' for the current to pass through it....for an example, think of it this way... across a bare 10ga wire, touching 120vac at .01A wont do anything but feel like a big static shock to you, but 120vac at 1a will put you 6" underground in a wooden box or put you in the hospital...........the differences between 32 and 36ga are so miniscule you're talking microseconds for it to heat up :p it's also dependant on the quality and %'s of the metals being used for the conductivity/nonconductivity.....Kanthal A or D, doesnt really matter much for our applications as both will work and I prefer it over nichrome anyways (cleaner burn), and find it easier to get...both kanthal and nichrome are used in the plumbing and heating, and electronics industries for the same applications.....hell, my brother's a plumbing and heating expert and I'm an electronics tech.... I chose to go to ebay or amazon for smaller quantities. for me to buy from the local suppliers I'd only be able to snag big spools that I'll never ever finish and cost a ton...(sorry, I'll only buy for my own consumption...).... currently, I have a nice length of 32ga. Kanthal A that is working for me, and using in both my iatty and ody as I'm typing this.... (also have a couple smaller samples of 34 and 36ga as well...)
 

critterbug

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OK - reporting back on the performance of the 30G silver and 32G Nichrome - I can't tell a difference in vapor production (actually I might be getting more vapor initially) using the same battery. I'm also still getting a very warm vape. So, at least on first impression, for me, the difference between 32 and 36G Nichrome is negligible @ 3.7V.

Shaitaan - that also makes sense - that the small difference in diameter would not significantly affect the amount of time it takes to heat the wire, although if I'm reading both correctly, that is a contrast to dspin's quote from imeo. I read that as saying that it is not just the resistance, but the combination of resistance and voltage that you want to consider in building atties. So you are saying that the thinner wire are better for low res atomizers and the thicker ones are better for high-res atomizers?

Sorry about all of the questions - I'm really trying to develop a comprehensive understanding of what's going on here. :) Now I have a good stock of NR and R wire and feel much more comfortable experimenting, too, so I'm sure I'll do some unsavory coils when I start getting adventurous. :p
 

Shaitaan

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everything's still based on ohm's law......voltage eguals current times resistance... but, if you are vaping at a higher voltage, the thicker wire is more than likely to hold up for your application...I'm using 32ga for 3.7 to 7.4v and it doesnt matter..smaller diameter R wire will have a better chance at melting than the larger one at higher voltage because of the increased current involved...I look at it for one stand point really, why would I have more than one guage if I am vaping at different voltage levels, when I can get the same resistance regardless? as i have said, at the diameter size we are using, its only a microseconds difference between how fast it heats up... so going to a size between 32 to 36 ga. is still not much, makes no difference in performance.
 
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