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ceejay

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1/16th height would be a good starting point. you want the air to hit the coil and then wrap around both sides of the coil as it draws the air up, so the airflow is like this: Y

too close and the airflow doesn't really give the best vape takeoff from the coil

ok i just tried this

fcxZa5Y.jpg


and still the same. probably a increase in vapor, but the flavor is lacking. thought it was my taste buds but went back to my dripper and yup, flavorful
 

turbocad6

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hard to say really, theres a fine line between saturated enough vs too dry. if I'm ever in doubt I'd tend to give a primer puff sometimes even pushing it towards flooding, then blow it out to clear and try then. if it's running a bit on the dry side flavor will suffer, best way for me to make sure is to push it the other way, towards oversaturated to see... if you get to the point it's def oversaturated and still getting the same then at least you confirm it's not running too dry
 

bapgood

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Sounds too wide bap. I'd look into a 1/16"

I'm guessing the aqua slots are larger than 1/16".....I have hit up someone with an aqua to take same measurements for me....My FT 3.1 isn't going to be here for a while anyway so I think I'm just going to make an aqua-esk atty.
 

turbocad6

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I just googled an image of the aqua and man those channels are much larger than the kayfun. on mine I only opened the vertical channel a little and it increased the feed to the point that I now stuff a little extra puff of cotton in each side and that slows the flow down to great but I don't think it's enough to wick through after seeing a pic of the aqua. might suggest trying it like mine just opening it a little at first, then, if you want to go full bore you can always go more. going too much it will be hard to go back.

mine is working really well, I've only flooded it a few times and that's mostly because of bad habits I picked up using it stock. for example if I feel it's running a little dry I can't do a big hard pull to squonk it like I used to, it'll just pull too much fluid but getting used to it now and it's easy to manage... when I feel it get a little oversaturated I just fire a bit longer and it burns off the excess, if I feel it's a little on the dry side then I only have to increase my draw slightly to get back to saturated.

then again if you do go full bore and it works great you may make me want to try that next :) , but right now I think I'm very happy with it
 

ceejay

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hard to say really, theres a fine line between saturated enough vs too dry. if I'm ever in doubt I'd tend to give a primer puff sometimes even pushing it towards flooding, then blow it out to clear and try then. if it's running a bit on the dry side flavor will suffer, best way for me to make sure is to push it the other way, towards oversaturated to see... if you get to the point it's def oversaturated and still getting the same then at least you confirm it's not running too dry

would it be possible i don't have enough cotton or something? i have the cotton just so it touches the deck and is clear of the channels
 

bapgood

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I just googled an image of the aqua and man those channels are much larger than the kayfun. on mine I only opened the vertical channel a little and it increased the feed to the point that I now stuff a little extra puff of cotton in each side and that slows the flow down to great but I don't think it's enough to wick through after seeing a pic of the aqua. might suggest trying it like mine just opening it a little at first, then, if you want to go full bore you can always go more. going too much it will be hard to go back.

mine is working really well, I've only flooded it a few times and that's mostly because of bad habits I picked up using it stock. for example if I feel it's running a little dry I can't do a big hard pull to squonk it like I used to, it'll just pull too much fluid but getting used to it now and it's easy to manage... when I feel it get a little oversaturated I just fire a bit longer and it burns off the excess, if I feel it's a little on the dry side then I only have to increase my draw slightly to get back to saturated.

then again if you do go full bore and it works great you may make me want to try that next :) , but right now I think I'm very happy with it

Here is my take on why the larger channels in the aqua might work.

There is some vertical climb and corners that may help from flooding. I was thinking with an over sized channel, that wick would take up "X" volume leaving a little excess volume for both the juice viscosity and the vertical climb to form the pressure differential. Thus allowing the wick to wick juice to the coil and the air is able to be sucked back into the tank following the path of least restriction, which wouldn't be the wick.

IDK ????? :D.....sounds good though :lol:
 

Rictic

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KFL+ 01.jpgKFL+ 02.jpg
Just got my KFL+ today from Vaperev. Zero leaking with the new fill screw. Getting better saturation with my heavy VG liquids when I tighten up the draw a bit. Considering I broke even by selling my KFL and a bottle of juice, I'd say I'm extraordinarily happy with the purchase and its new improvements.
 

turbocad6

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ceejay, your wick looks ok, might try just slightly longer legs and don't try so hard to be clear of the channels, you want your wick to be right on the channels, it's not going to block anything, it'll allow it to wick better as long as you don't really overstuff it. you need wick right at the inlet channels to wick up any upsurge, otherwise th fluid will come up and go right back down, if theres wick there it'll blot up the flui and then air will get pulled back in instead of puling the juice back in
 

turbocad6

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bap, my thinking is that the wick will fill the passages for the most part, but the vacuum will still pull right through the wick. not sure how that affects flow back though as far as replacing juice extracted with air, don't know if it'll do that through the wick, maybe like you said it'll just pull air back along side the wick? does the aqua have any other differences that affect juice control? thought I heard mention of juice flow control somewhere?
 

bapgood

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bap, my thinking is that the wick will fill the passages for the most part, but the vacuum will still pull right through the wick. not sure how that affects flow back though as far as replacing juice extracted with air, don't know if it'll do that through the wick, maybe like you said it'll just pull air back along side the wick? does the aqua have any other differences that affect juice control? thought I heard mention of juice flow control somewhere?

Yeah the chimney or atty chamber is one piece and it can be externally adjusted to thread it up or down to expose more or less of the vertical portion of the wicks.
 

Bronze

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would it be possible i don't have enough cotton or something? i have the cotton just so it touches the deck and is clear of the channels

Dang ceejay, that coil is plenty high...perhaps too high. Mine is nowhere near that high and mine vapes like a freight train. Yes, try a little more cotton. Make it the width of the overall Kayfun itself. then stuff it down the sides. That's all I ever do and it works just fine. Most folks get fancy with it and lay it nicely on its sides crossing the channel, etc., etc... I just stuff it down there. I swear I'm just one lucky SOB
 

turbocad6

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it could come down a little, but too close and it doesn't vape or draw as well and it gunks up quickly. this may be affected by wattage too? I vape at more than twice the wattage you do. maybe at higher wattage it needs the more complete airflow around the coil?

my theory on it is that the coil is in a sense like an airplane wing or a spoiler, ideally it cuts through the air in such a way that the air slipstreams around it completely. when the coil is too close it can cause turbulence and uneven airflow, kinda like sticking your finger too close the faucet outlet with running water. the water will hug and flow around your finger right up until you get a little too close. the air will flow the path of least resistance and go to one side or the other, and too close doesn't allow the whole coil to get adequate airflow, I know I've seen others in this thread too say that there coil gunks up when it's too close, this is my best guess as to why :)
 

turbocad6

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ha, as far as being one lucky sob you're right, but the lucky part is that you happen to vape at very low wattage. the kayfun has no trouble keeping up with those wicking demands so as long as you do a reasonable build it's gonna work as intended. I think many problems come in when trying to vape it more intensely, then it becomes easier to vape off more than you take in at times and it starts to get dry. my kayfun worked great at 9 watts but I've gotten used to a more intense vape and find it lacking at low wattage compared to what I'm used to
 
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