18gauge Kanthal
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18 is pretty thick. I could imagine it would be tough to wrap! Good luck!!
Let us know what tricks you find that work!
Let us know what tricks you find that work!
What type of Build would you use 18ga wire for?
If it is Kanthal A1, and you are going for a 5 ohm Single Coil, you would need about 178 3mm Loops.
Rats-a-Rot of Loops.
LOL
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It would take a long time for the coils to heat up using 18 gauge wire. Nothing wrong with that at all. I'm also curious what you would build with that size wire.
Yes i do..
What type of Build would you use 18ga wire for?
If it is Kanthal A1, and you are going for a 5 ohm Single Coil, you would need about 178 3mm Loops.
Rats-a-Rot of Loops.
LOL
Just a basic single subohm coil. Just curious to know what the difference is using a single thick wire compared to parallel thinner wires...
I haven't used 18ga so I can't say.
But when I do a "What if" using this calculator for a 3mm diameter @ .2 ohms, it tells me that I would need 7 loops. So the length of my coil would be about 7.1mm long. OK, that would fit in most of what I have.
Coil wrapping | Steam Engine | free vaping calculators
But when I look at the Heat Flux, I would need about 50W before I start to get into a range where I could taste the Hit. More like 60W.
And 60W with a .2 Ohm Coil is getting right up on the Limit of what my 20 Amp Batteries can handle. So I am not going to have much room to adjust the Wattage any Higher.
I would suggest using a Thinner Gauge wire. Unless you like a Very Cool Hit that does have a lot of Vapor.
Yes, there's a difference... and that is mass/heat capacity, as well as wattage for a desired heat flux.
Using ZoiDman's 60 watts and 0.2Ω as points of reference, your net mass is 663.391 mg with a heat capacity of 305.16 mJ K-1. It's the mass that is creating a ridiculously high heat capacity. Heat capacity is a value of time-to-temperature.
If you don't mind waiting while the battery discharges for an excessive amount of time, in an effort to heat the coil to the desired heat flux value... then go for it. ;-)
Were you to drop down to say, 24 gauge, dual parallel build with the same power and resistance parameters... mass drops to 82.095 mg and heat capacity to a much faster 37.76 mJ K-1.
You'll also note that heat flux nearly doubles, from 164 mW/mm² to a much warmer 331 mW/mm². To obtain a similar heat flux, only one half the wattage is required. Something to consider if you have a APV with a "modest" wattage upper limit.
The only advantage a 18 gauge single has over a 24 dual parallel is surface area... with 349.01 mm² being over 4 times that of the 24 gauge 82.57 mm².
What I've offered above doesn't necessarily represent an optimum build, but you can certainly see that an "optimal build" is a balance of factors... rather than a preponderance of one or two factors, at the ignorance of all others.
Click my second sigline to better understand build optimization.
So youre saying this kind of a wire gauge would be better for high wattage and super subohm vaping, to take advantage of the high heat capacity per bit of wire?
Would high voltages (8.4v) move the "best wire gauge choice" closer to 18g?
And with 18g's slow heat up time, would nichrome 18g be a good choice for a quick-heating, high power, and large coil type of vape?
alot of people use 18ga for single coil builds.
i built a single coil 11wrap on 1/8 drillbit with 18ga today on a 30mm tobh. came out to .13 ohms
has a long ramp up time, but she hits like a freight train.
good flavor also.
coiling it and fitting it was a pain, but if you have a couple different kind of pliers its not that bad.
i built a single coil 11wrap on 1/8 drillbit with 18ga today on a 30mm tobh. came out to .13 ohms
has a long ramp up time, but she hits like a freight train.
good flavor also.
coiling it and fitting it was a pain, but if you have a couple different kind of pliers its not that bad.
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