Hi how is everyone doing? Well this is my first post, and I have a question for you guys. I recently purchased an e-liquid from Pink Spot Vapors, the Watermelon Wave at 12mg of nicotine. For some reason the throat hits are much stronger than when I had purchased the same liquid at 6mg. I'm gonna guess that the 12mg made the difference but I also thought of another factor that might have made the flavor not as appealing to me as it was before. I've used the 6mg nicotine on a single coil carto, VS the 12mg nicotine flavor I just got using a dual coil carto. Could the fact that I am using a dual coil carto be making the throat hits harsher for me? I'd love to hear some input. Thanks
Decided to try 12mg nicotine...
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The way I was taught is that when you add a second resistance in parallel, you up the resistance for the whole circuit. A dual coil is more resistance than a single because of the extra load of a second coil. This means the whole circuit will run hotter, but at the addition of more vapor (correct me if i'm wrong.) To me, it seems that a dual coil may be too hot for you, thus adding to the throat hit. Someone wiser step up and fix this if it is wrong.
It's probably the nic content, but... it can also be the amount of "heat" being generated comparatively between the two cartos, what voltage your PV is running at, and the ohm ratings of the cartos. Since you didn't specify any of this information, it's all speculation at this point.
It would be good if you could supply a little bit more info so folks can give you more relevant answers.
Most all of this is backwards. Resistors in parallel causes the total resistance to go down, not up.
I would say that both upping the nic and using dual coils vs single coils is going to increase your TH. Like nahoku said it's hard to say how much of an affect the dual coil is having without knowing the voltage you are pushing through them and the resistance of the carto.
Ok Chrisrook.... To clarify, Less Resistance is More Load....... When two coils(loads) are combined in parallel they share the same voltage but cause the draw of two independant loads effectively presenting as one load half the total of each independant load(3ohm&3ohm=1.5ohm total, 4ohm&4ohm=2ohm total) The benefit of dual coil cartos is that there is twice the coil area in contact with the liquid, allowing more liquid to be vaporized when compared to a single coil. The coils operate at the same temperature as they would if they where seperate, the battery is loaded much harder as a result of driving the low ohm load.
So Manilar, Your issue is exaggerated by the dual coil carto but most likely not the sole reason. In my experience there are two factors in throat hit (when using the same liquid/flavor/PGtoVG ratio) Voltage(heat) and Nicotine content. Since the voltage is likely the same as the previously explained liquid my first feeling is that your throat hit is due to the higher nicotine content in this liquid.
So Manilar, Your issue is exaggerated by the dual coil carto but most likely not the sole reason. In my experience there are two factors in throat hit (when using the same liquid/flavor/PGtoVG ratio) Voltage(heat) and Nicotine content. Since the voltage is likely the same as the previously explained liquid my first feeling is that your throat hit is due to the higher nicotine content in this liquid.
Hi - Higher nicotine does increase throat hit. Try some 0mg and you will really notice the difference.
Note to self, save this for future quick reference. Honestly though, it's been about 7 years since I took an electronics class, and maybe 5 years since I last used Ohm's law.
Yeah sorry about that. Right now I'm just using a 650mah Ego-C with a smoktech dual coil carto at 1.5ohm from litecigusa so I don't have control at voltage at this point. I know there's so many factors right now that I'll probably try to get my hands on the same flavor @ 6mg of nicotine and see how that works out for me.
Yeah, the fact that I tried a higher amount of nicotine seems like the most appropriate answer..
It "could" but not necessarily. We all know all coils aren't made the same, no two cartomizers are necessarily the same even though they appear the same in the specs from different manufacturers. Your experience is subjectively unique to you. For me some DC carto's make for a warmer vape and not so much as a rule, it's just based on the stuff I've used so far and what I currently have.
The reasone that you experience a warmer vape with DC coils is the proximity of the top coil to your mouth--if you look at the innards of a DC carto, you'll notice that the top coil is very close to the mouthpiece, thus your lips are feeling the warmth of the coil itself, not the vapor.
Vaping a 1.5 Ω DC carto is very much like vaping two 3.0Ω cartos at the same time--the amount of vapor is double that of a single coil, but the temperature of the vapor is still that of a 3.0Ω coil. Your battery will drain faster because of the low resistance of your atty, and your juice will be vaporized at double the rate of a single coil.
The Ohm's law cannot be defied.
Only if the increased amount of vapor produced by your PV increases TH. I might, I guess, but it's subjective.
Not to sound like a jerk, but why would you want to up your nic content? Trying to get as close to 0 as possible seems like a good idea. I'm a fellow 6mg guy but occasionally up to 8-10mg if I need that stronger hit and with my morning cup of tea. Not trying to be judgemental, as you are free to do as you wish. Just curious if you were trying to up the strength intentionally or if you just ordered a higher MG without paying much attention.
The theory would be good if this is what was actually happening with the heat generated by coils in dual coil carts vs single coil carts.
I've seen this interpretation of dual-coil carts compared to single coil carts throughout ECF. A lot of it is seen in discussions of VV vs VW and proponents of VW, due to either misunderstanding electronics, or for some other reason, constantly push the merits of VW without the understanding that it's meritless where dual coils are concerned.
The assumption that each coil in a dual coil cart, will heat to the same temperature as a single coil in a single coil cart, of equal resistance, is incorrect.
The power generated by a coil is dependent on the voltage applied, the resistance of the coil, and the current running through it.
If you look at the photo, you can see that both setups have 3.7 volts applied to the circuit. From the APV's (or battery's) point of view, both setups look exactly the same. This is due to the fact that the dual coil cart, with two 3 ohm coils in parallel, has a total resistance equal to 1.5 ohms, just like the single coil cart does. The total current of both circuits is also exactly the same, and works out to E/R = I... which is 3.7 / 1.5 = 2.46 amps.
View attachment 198098
Using P = (I)(I)(R) , we can calculate the total power... (2.46)(2.46)(1.5) = 9 watts
In a single coil cart, the coil will dissipate all the heat. This mean it will dissipate all 9 watts.
This is where the misconception is
Coils in a dual coil cart need to share the total current in the circuit. Current will split between each leg, so hence, each coil will only have 1/2 of the total current running through it. This means that they will generate only 1/2 the heat because only 1.23 amps will run through each coil.
Again if you use P = (I)(I)(R), you will get (1.23)(1.23)(3) = 4.5 watts.
You can see that each coil in the dual coil cart will definitely run cooler.
The load on the battery, by the way, for a single or dual coil cart, of equal resistance, is exactly the same... because the total current is the same.
Both a single and dual coil cart will produce vapor, however because the coils in a dual coil cart will only heat up to 1/2 power, the vape may "seem" cooler. Some people may not be able to tell the difference because you are still vaping at 9 watts total. As far as the assumption that more juice is being vaporized by a dual coil cart, I'm still out on that because I can't really tell. But just because there are two coils vaporizing fluid doesn't mean the rate of vaporization isn't comparative to a single coil vaporizing at twice the power.
No offense to you by the way. This was just a good opportunity to disperse information on a subject I've seen erroneously passed on ECF. Hopefully, this might help some people understand dual and single coil carts a little better.
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Main reason why I wanted to try 12mg was because 6mg wasn't satisfying my nicotine needs... haha that sounds bad, but I think my sweet spot would be around 8-10..
Use your 12mg and buy some 6mg of the same flavor and mix them together equal parts and you will have 9mg juice.
It's worth a shot so your 12mg doesn't go to waste. IMO.
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