Vaping Quesitons

I've been using only twin-18650 mods for some time, and before the shipping ban came into effect, I bought a backup of my most-used mod (a Geekvape Aegis X), but since the 100W single 21700 / 18650 Voopoo Drag X Plus was only $35, I also picked up one of them as another backup.

I vape exclusively on RDA's, typically with a 3mm dual coil twisted build with 24 or 26 gauge Kanthal or nichrome-80. 5 or 6 wraps with 24 gauge, 6-8 wraps with 26 gauge. I typically vape these between 90 and 110 watts.

I did not expect to get a 'true' 90-100 watts out of the Drag X, so I set a target of around 60 watts. I mounted a 3mm dual coil twisted 28 gauge build with 6 wraps, which on my Aegis X vapes great at 60 watts, and very good at 50 watts. It measures at 0.45 ohms.

But on the Drag at 60 watts, it only vapes at what feels like 30 watts on my Aegis. Setting it higher makes no difference either, it seems to 'top out' at ~30 watts regardless of the setting. 60 watts @ 0.45 ohms is only around 11 amps, so I doubt I'm hitting an amperage limit.

I am using 18650 batteries (VTC5A), and it is about time to replace them, as I am only getting around 70% the battery life as I did when new. I will be picking up some 21700 batteries at the same time, which hopefully help with things on the Voopoo.

Does anybody have any good experiences with ~60 watt builds on a Drag X Plus?  

so in my pursuit of vaping above 200 Watts I made a fuse 3x24ga gauge wrapped with 36 gauge and I tried three coils. it came out .07 I Vaped it at about 375 watts it was a hot vape but the ohms were very low so I had a problem with power my DNA 250c was reporting 65 amp output so I took that and put in dual fuse 22ga gauge wrapped with 36 gauge I ran that build triple coil I used it at about 250 Watts. what I am trying to do is vape at about 300 to 400 watts with an ohm or .2 to .3. the inner diameter will be 5.5 or 5 mm I'll be using the kanthal core wrapped with 36 gauge and ni80.I'm trying to figure out what my next bill should be to try to vape above 300 watts the restrictions I have is it can't be below point 1 ohm or above .3 ohm I have two aromamizer plus has with the series deck The parallel deck a second parallel deck and a single coil deck. The single coil deck fit 6.36 mm.

I also have the aromamizer titan.

What gauge would you Clapton?

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I'm about to venture into doing my own builds and I had a silly question. I have watched dozens of videos on how to do builds and have even done a couple builds on some of my friends attys. I have one friend who on all his dual builds he uses two coils with different wraps. For example one coil with 7 wraps and one with 5. Does anyone else build this way? I have never asked him why he does this and in all the videos I've watched I've never seen anyone else do it. Is there a specific reason? Just curious  

Hey guys just recently got a Lemo2, wasn't happy with the coil that it came built with for some reason so built my first one to put in. I think it came out pretty good, I believe it came with 24g Kanthal and I did 11 wraps around 3.5mm came out to 0.9ohm. It takes a while to ramp up but seems to give a nicer vape to me than the stock one which was like 5 wraps around 2mm at 0.5 ohm.

Anyways, I tossed the original coil and now am wondering if I really had to or could have saved it. When you guys try new coil builds do you save your older builds? And being that it's really just resistance wire does a coil ever really need to be replaced or is it just for novelty/trying new builds?  

So I decided to try a 1,6 ohm coil on kayfun v4 clone Tobecco and I am using 28gauge Kanthal with a cotton
wick on a Rdna 30 and its vaping well at 15 watts I have a kanger subtank mini coming in the mail and here goes my question
So the kanger subtank states that with a .5 ohm coil i could vape up to 30 watts but the voltage comes in at like 3.8 volts
I was under the impression that the rdna 30 needs at least 4 volts to work which kinda brings me to my second question
What is the point of of sub ohms? cant i just build a 2.0 ohm coil or something like that to achieve the results as if i was subohming
I am very confused on this
thanks for the replys in advance
Oh yea is a 1.6 ohm coil at 15 watts a normal build or any recommendations for the kayfun v4 for watts and ohms thanks again  

a few little questions. I actually like dripping my 3 mg nic in max better even than vaping. I drip using 3 mg nic on a Istick 50 watt set about 23 watts with a draw of about 2.5 seconds and the coils reading says 1.6 ohms and the air holes blocked a tad on the el diablo bael. I vape on the Istick 20 watts somewhere around 7 to 8 watts on factory coil of 1.8 in a nautilaus mini
my questions: 1) does sub ohm in a rebuildable tank give flavour similar to a dripper
drippers seem to require higher watts is this in anyway suggested as less healthy ( I am not too concerned about the increased supposed formaldehyde issue I believe Dr F had issue with the research and in my opinion I probably breathe more formaldehyde off gassing wandering around carpets and insulation and pressboard)
2) the nic level is quite a bit lower in the dripper Does this actually translate to a drop in nicotine/contine levels in my blood in other words would I need to drip more to keep my nic levels somewhat reasonable re setting off " the I want a smoke brain run"
3 if I were to drip only for 3 or 4 days am I likely to find my 12 mg vape to strong

thanks for any insight you might provide  

Just recently purchased a Orchid V4 and loving it so far.
Though the Orchid uses two coils.
Considering adding a Kayfun to my modest collection.
My understanding that the Kayfun uses a single coil.
That being said, does it still vape as good as a Orchid V4?
Im sure theirs members here who can give first hand info on these two?
May like to share pictures?
And builds, methinks 28g is best.
Though I may try some 24g.
Running 28g ten wraps, .9 ohms.
21watts seem to be my sweet spot.
Just wanted to pick your mind on these.

Jim  

What is your go to single coil build in terms of gauge wire, diameter, and number of wraps : (no fancy Clapton or twisted build just a "regular" wrap)

And if you have a reason please include it: For example: "I'm a flavor junkie and this is best flavor build I've found" or "I like short ramp up times" etc ...

(I know preferences may vary greatly)

Thank you very much

:


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the short story ......

Background and aims

Aldehydes are emitted by electronic cigarettes due to thermal decomposition of liquid components. Although elevated levels have been reported with new-generation high-power devices, it is unclear whether they are relevant to true exposure of users (vapers) because overheating produces an unpleasant taste, called a dry puff, which vapers learn to avoid. The aim was to evaluate aldehyde emissions at different power levels associated with normal and dry puff conditions.

Design
Two customizable atomizers were prepared so that one (A1) had a double wick, resulting in high liquid supply and lower chance of overheating at high power levels, while the other (A2) was a conventional setup (single wick). Experienced vapers took 4-s puffs at 6.5 watts (W), 7.5 W, 9 W and 10 W power levels with both atomizers and were asked to report whether dry puffs were generated. The atomizers were then attached to a smoking machine and aerosol was trapped.

Setting
Clinic office and analytical chemistry laboratory in Greece.

Participants
Seven experienced vapers.

Measurements
Aldehyde levels were measured in the aerosol.

Findings
All vapers identified dry puff conditions at 9 W and 10 W with A2. A1 did not lead to dry puffs at any power level. Minimal amounts of aldehydes per 10 puffs were found at all power levels with A1 (up to 11.3 µg for formaldehyde, 4.5 µg for acetaldehyde and 1.0 µg for acrolein) and at 6.5 W and 7.5 W with A2 (up to 3.7 µg for formaldehyde, 0.8 µg for acetaldehyde and 1.3 µg for acrolein). The levels were increased by 30 to 250 times in dry puff conditions (up to 344.6 µg for formaldehyde, 206.3 µg for acetaldehyde and 210.4 µg for acrolein, P < 0.001), while acetone was detected only in dry puff conditions (up to 22.5 µg).

Conclusions
Electronic cigarettes produce high levels of aldehyde only in dry puff conditions, in which the liquid overheats, causing a strong unpleasant taste that e-cigarette users detect and avoid. Under normal vaping conditions aldehyde emissions are minimal, even in new-generation high-power e-cigarettes.

Conclusion

Aldehyde emissions in EC aerosol are associated directly with dry puff conditions. In normal vaping conditions, the levels of aldehydes emissions are minimal and by far lower than the levels in tobacco cigarette smoke, despite the use of high power levels. In dry puff conditions, aldehyde emissions are significantly elevated to very high levels, but vapers are not expected to be exposed to such levels during normal EC use, even when they use new-generation high-power devices.


the long story a good read
E-cigarettes generate high levels of aldehydes only in ‘dry puff’ conditions - Farsalinos - 2015 - Addiction - Wiley Online Library  

So I've been using a Kayfun v4 and provari p3 using the hybrid connector and have never been able to get th ohms below 2 using .2mm guage kanthal bought from Vape escape one 2 mm coiling tool and about 6 wraps was initially happy with that but after reading the results other users are having they typically end up around 1.2 1.4 ohms using far more wraps then I have been using I tried to increase my coil diameter to 2.5 mm and the ohms exploded to 5 ohms making it unusable I have noticed that my spring in the Kayfun gets incredibly dirty and charred with what I can describe only as soot if anyone has any insights into what could be going on I would much appreciate it ive been enjoying my Kayfun but I'm still looking for that mind blowing Vape I keep reading about