![]() where with lower priced clones, they may have overdone it a bit on the orifice dimensions - and so those atomizers may need more wick than the original to stay in balance. you may find a condition of perpetual flooding or dry hits, from those orifices being too large or small. With some lower priced KF clones, where the design is copied but not understood, and the orifice passageways are not considered "important". In this application, juice is fed in liquid form, all the way into the atomizing chamber, before it encounters the wick. Instead we use the method of "controlled orifice" juice passageways - and a neat balancing act known as a "boundary layer" - which is established by those specific orifice sizes, keeping the juice from flooding the atomizer chamber. A Kayfun, as well as it's variations and clones, use the pressure differential concept, but without the wick functioning as a seal. This isn't a bad thing, if done correctly, it works well and consistently. with their wicks exposed to the juice tank. The Squape, Taifun GT, Ithaka, Fogger V's, Aqua and even the latest greatest GUS Estia, along with their clones and variations, all fall into this category to one degree or another. I mentioned earlier that some advanced RTAs (may) use the same physics as a $5 clearo. take a moment to consider - "Is this (dimensionally) enough, or too much wick for the channels it fits into?" Is this wick too heavily or too lightly wrapped - is the density such that, capillary action is sufficient to feed the coil, but not drown it?" When you start to fine tune wick systems, with ball cotton perhaps being the most currently popular DIY wick material. Add too much, or to "tight" a compression - and you get dry hits - and if a cotton wick, burnt gym sock flavored hits. Take out too much and the atty gurgles and even leaks. without much thought to the fact that it functions as a seal. Removing flavor wicks, changing wick thickness and materials - and generally tweaking the pressure differential "seal". If you're using a clearo/glasso of the Kanger BCC variety, it's (very) common to play with wicks. Once again - The pressure differential, in concert with wick seals and/or control orifices is why tanks don't leak like sieves - and why, when you refill a tank and introduce positive pressure back into it, they may gurgle a bit until a vacuum is reestablished.Īnd now. until you reestablish a vacuum with a few draws. This may be why your atty can be a bit gurgly (or you may find the 510/eGo positive "well" a bit wet) when you pick it up again. How much or how long is a variable of the atty and the wick/seal. the vacuum may be slowly supplanted by positive pressure. If you walk away from a wick seal type atty that you were using. in that with some atomizers, increasing the vacuum - immediately after filling or refilling and closing the system up - is key to both preventing leakage and to a lesser degree, priming the wick.ĭoes the vacuum last forever? With a wick seal - unlikely. and depending on our seal (or control orifice) design, we may end up drawing juice right past that and into our coil/atomizing chamber. most to ALL our vacuum is directed to the liquid tank. If we close (or even restrict) the atmospheric venting system and take a draw, what happens? That's right. because most of our "lung generated vacuum" is directed out the venting system - and remember, our wick/pressure seal - still has that slow leak.Īll else being equal, as our fluid column lowers, the negative pressure you've established above that fluid level will continue to be enforced and enhanced as well. vacuum is enforced and perhaps even enhanced. ![]() and a modest vacuum in the tank is produced.ĭraw again. The temporary vacuum you create pulls juice, and that positive pressure you started with in the tank, into the coil head area. So, how does negative pressure get in the tank when all around us is atmospheric or negative pressure? Well, that would be dependent on you. The Kayfun design is the best example of this design. Not all PD atomizers use a wick in the latter description, but instead may use a series of orifices, where the dimension controls the transfer of both pressure, and with that, juice. but one with a slow leak, that works both ways. Wicks have a few jobs - one of course, to wick juice to the coil so it can be vaporized, and two, the lesser known. I can't go further without talking briefly about wicks.
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