Limitless RDTA Plus!

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Bdw890

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Its a little short but it works on mine, I do have to press a bit to get it in the threading of my smok and Kooper plus mods and do have slight overhang, hardly enough to notice. And they dont have much threading in the rx200 but thats what I find them best on at the moment.
Thanks just had to put a little more oomph into it when connecting it.
 

Quantum Mech

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Found time to build my other plus

20160803_162646.jpg
 

Taowulf

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Hey Wulf, nice build. Great symmetry. What kind of power are you throwing at those big chunks of metal?


100W, which considering that I am putting 100W through a pair of Nichrome coils half the size in another build, it's not that shabby at all.

And I can use temp control too. Lol
 

cigatron

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May 14, 2014
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Need to play with the wicks a little, I had some leaking today. I didn't use the slightly slimmer version of the Scottish roll I used on the single coil. I will rewick it tomorrow.

Yeah, it does look a little underwicked. It takes quite a lot of wicking through the channels to ward off leaking when lying on its side. My first build was only 2.5mm id; not enough wicking to completely fill the channels. My current build is 3.5mm ID which has too much wick tail to fit in the channels so I have to trim some off.
 

Taowulf

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Leaking from where?

Other than "on it's side where I had it tilted at about 45degress" I could not say. I was walking to work at the time and did not have time to do anything other than wipe it off.

Yeah, it does look a little underwicked. It takes quite a lot of wicking through the channels to ward off leaking when lying on its side. My first build was only 2.5mm id; not enough wicking to completely fill the channels. My current build is 3.5mm ID which has too much wick tail to fit in the channels so I have to trim some off.

Been a while since I used something other than a Scottish Roll, I must be out of practice. :D
 
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Eskie

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Other than "on it's side where I had it tilted at about 45degress" I could not say. I was walking to work at the time and did not have time to do anything other than wipe it off.

Been a while since I used something other than a Scottish Roll, I must be out of practice. :D

It's a strange tank to wick, at least for me who's not used to this Genesis style. In a sense it's easy, just jamb a bunch of cotton down the four sides and poke it a bit to make sure you've got flow up to the coil. The cotton I use, which is a Japanese cotton pad of "standard size", barely leaves enough cotton to tuck down to the top of the tank. Which is probably good as it forces me to keep the cotton up and not stuffed all down. I'm sure if I used something like rayon, I'd pack it to the bottom of the tank even if it's not correct.

I can't see how you could have enough cotton down those slots which is loose enough to assure a good draw and not get leaking if you lay the tank on its side. It would likely need to be a pretty tight wick to plug those holes, and I don't think it would wick properly that packed. Disclaimer, I am NO expert on Genesis style tanks or even wicking. I'm lucky I understand a Scottish roll. But just reasoning my way through the design, I can't see how this would ever be a tank that wouldn't leak if placed on its side. Maybe with just the right amount of wicking it wouldn't be much to worry about if you close the airflow before putting it down, but dry on its side? I can't figure it.
 

avpx1

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I vape at 85 watts mostly and agree that if I pack the cotton tight in the channels that the tank starts to dry hit. I thin the tails and therefore never get a dry hit. But if I lay it on it's side it will leak and it doesn't take long for the leaking to start. When I need the tank to be leak-proof, I plug the drip tip with a #000 rubber stopper, close the AFC holes, and cover the AFC holes with a vape band. Works pretty darn good. I've started to just leave a vape band on the glass section all the time this way if dropped the glass is somewhat protected.
 

cigatron

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I'm sure if I used something like rayon, I'd pack it to the bottom of the tank even if it's not correct.

I use rayon but there's no need to extend the wicktails to the bottom of the tank. In fact you don't want to because of reverse juice flow when the tank is near empty. That is, when the wicktails are longer than the coil wick section they have more capillary action and juice holding capacity. The longer wicktails will slow the transport of juice as the tank get lower and actually pull juice away from the coil when the tank is almost dry. I trim the wicktails just a hair below the top of the glass. When the tank is near empty a simple tipping upsidedown is all that's required to maintain a juicy vape.

I can't see how you could have enough cotton down those slots which is loose enough to assure a good draw and not get leaking if you lay the tank on its side. It would likely need to be a pretty tight wick to plug those holes, and I don't think it would wick properly that packed.

Let's start here: "no air in equals no juice out". So if air has difficulty entering the tank, juice will not flow freely out. So it's really not all about restricting juice flow by packing the wicking too tight; it's about restricting airflow into the tank. The movement of airflow into the tank is also slowed over time by the collection of ejuice flavoring sediments which collect in the wicking.

So there is a happy balance of wicking density whereby the atty will perform well (long term), not leak and never dryhit at flavor peaking power levels. I call it "cracking the code" and some atties are harder to crack than others. I mean, some tanks are supper finicky about how much wicking is in the channels. Protanks come to mind.

I start the code cracking process by using too little wicking in the channels and increase it every time I rewick. That way I can enjoy the tank from the start, even though it leaks on its side. When I finally wick the channels heavy enough to completely eliminate leaking when on its side I usually have to decrease wattage a bit because the juice flow is decreased (because airflow into the tank is decreased) and thereby tank vacuum is increased. I don't mind turning down the wattage a little to be leak free.

Right now I've vaped over 90ml of 75vg juice at 98w on these wicks. The atty only leaks sometimes when on its side so I'm close to cracking the code. One more increase in wicktail density should do it.

Good luck
 

Eskie

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I figured you had to leave it loose enough so airflow wouldn't be completely blocked, or else you would never get juice to wick up from the tank. Genesis style tanks seem straightforward to work with, but clearly require special handling not usually an issue with a more traditional RTA. It's definitely a different experience, and my initial impression was this was a good tank to keep upright, although I do like to tilt and roll it a bit before each puff just to be sure all the wick bottoms are wet.

I'm also still trying to figure out what coils will work best. Right now I just have some dual 28G SS 9 wrap 3 mm ID with a resistance around 0.5 ohm, and the coils look utterly lost in all the space of that chamber. Clearly more metal will fit just fine in this tank.:)
 
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