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dreamreaper

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Not sure if anyone's interested, but I had a nice chat last night about using cotton in a KFL/R91 - of the 3 main people involved in the chat 1 had no experience. So I promised I'd post some pics, tips & tricks for him. So I made it into a blog post, talking primarily on rewicking. Feel free to check it out or ignore it, pass it on to someone who might find some pictures helpful or whatever. Doesn't really matter to me either way, but if it helps someone out, that's cool. Nothing advanced, just the basics.
http://www.e-cigarette-forum.com/forum/blogs/ozwald/5530-kfl-r91-cotton-rewick.html

Thanks Ozwald, I normally use yarn in mine but have been wanting to try out cotton like that. Very good explanation of how to do it and nice pictures too.
:toast:
 

Ozwald

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Thanks Ozwald, I normally use yarn in mine but have been wanting to try out cotton like that. Very good explanation of how to do it and nice pictures too.
:toast:

Thank you. I could've wiped off all the darkened juice from the last tank, but I was just flying by the seat of my pants. Even with taking multiple photos of each step it was a less than 7 minute build. Of course without the photos it probably would've taken 60-90 seconds. The 2 things I've seen too often are people using too much cotton & not being able to thread it through a micro-coil easily. Glad it helped! Cheers!
 

Iowa Gal

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I spent the night building three micro coils (real ones 1/16 not 5/64) They all came out 1.7-1.8 which I was pleased with. They are rocking in my KFLs. I had to toss one as I just messed it up when torching and couldn't get the yarn through. Now we'll see in a couple of days when I need to change my wicks how it goes. It's fun (and cheap) to tinker when you have the time...
 

Iowa Gal

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One other thing I did tonight was clean one of my KFL's up and put it away for safe keeping. I have three of the original and am sad they don't seem to be available anymore. I've been playing with my MicroStick and Spheroid as well and even though I like variety three devices with different juices is enough. One nice thing about the micro/cotton wick is I can easily change flavors every other day.
 

EddardinWinter

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One other thing I did tonight was clean one of my KFL's up and put it away for safe keeping. I have three of the original and am sad they don't seem to be available anymore. I've been playing with my MicroStick and Spheroid as well and even though I like variety three devices with different juices is enough. One nice thing about the micro/cotton wick is I can easily change flavors every other day.

I do see original KFLs in the classies from time to time. You might keep an eye open if you want another. I notice no difference in my KFL plus from my KFL, for what it's worth, IA.



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Bronze

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I do see original KFLs in the classies from time to time. You might keep an eye open if you want another. I notice no difference in my KFL plus from my KFL, for what it's worth, IA.



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That's good to hear. Some people complain they like unplus more than the plus.
 

Iowa Gal

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Got my two Loki rings and neither would work with my KFLs on my ProVari minis. Then after a little thinking I loosened the screw on the 510 connection of my KFLs ever so slightly and they are currently working. Do you guys know...should this create me any problems? Also do you get a little condensation on the top of your rings using the KFLs?
 

Dusty_D

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Got my two Loki rings and neither would work with my KFLs on my ProVari minis. Then after a little thinking I loosened the screw on the 510 connection of my KFLs ever so slightly and they are currently working. Do you guys know...should this create me any problems? Also do you get a little condensation on the top of your rings using the KFLs?

Loosening the screw will loosen the positive post on the inside of the Chimney. Would not recommend.

I have been seeing some "condensation" around the ring area. It usually happens when I move from extreme cold outside to normal temps inside, either at home or at work. It is NOT a leak.. it's almost as if the vapor that trickles out the air intake hole created some condensation around the ring..
 

Ozwald

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Loosening the screw will loosen the positive post on the inside of the Chimney. Would not recommend.

I have been seeing some "condensation" around the ring area. It usually happens when I move from extreme cold outside to normal temps inside, either at home or at work. It is NOT a leak.. it's almost as if the vapor that trickles out the air intake hole created some condensation around the ring..

Ditto. I'm using the same setup - KFL+, Loki Ring, Provari (it's on my full-sized, I keep the same tank/same juice on my mini at all times) without any problems at all. Not sure why it wouldn't fit.
 

Dusty_D

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Nice... rewicked kfc with cotton, loaded with Legend.... much better. Now it's rocking without the stank flavor. The silica just didn't work, didn't feed right and dried out too fast.

All is right again. :) we'll see how long the cotton holds out.

You should be able to get through 3 tankfuls with Legend. Huntsman gets me around 5 tanks or so before I start to notice flavour dropping off.

I'm picky when it comes to flavour and could probably get a few more tankfuls if I didn't care as much. :)
 

Bronze

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Got my two Loki rings and neither would work with my KFLs on my ProVari minis. Then after a little thinking I loosened the screw on the 510 connection of my KFLs ever so slightly and they are currently working. Do you guys know...should this create me any problems? Also do you get a little condensation on the top of your rings using the KFLs?

Yes, I get a little condensation on the top of the ring. But it is negligible and no issue with me at all.
 

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LeoRex

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You should be able to get through 3 tankfuls with Legend.

Good to know.

You know.... I am going to go off a bit here... I am, and my wife would certainly be the first to agree here :), have (expert) opinions on most everything. And when dealing with 'microcoils', cotton is a more superior wicking medium than silica. I don't know of any raw data, but my anecdotal evidence is that, while silica may wick quicker than cotton (per unit wick, if you want to call it that), cotton holds a significant amount more of whatever liquid you are trying to transport. And juice capacity, not wicking speed, is critical when you are dealing with microcoils since, near as I can tell, neither cotton OR silica can wick enough juice to keep a microcoil wet over an extended amount of time.

Microcoils is a misleading term. They are, in fact, massive when compared to the older style, spaced out coils. They tend to be 10 or more wraps of some very thick, low gauge wire, where the 'traditional' coils tended to be 5 or 6 wrapped of thinner, higher gauge wire. That's a lot of wire there to heat up and vaporize juice. The vaporization functions as a coolant for the coil and as long as the coil is 'juiced', the coil temp won't get too hot. If there isn't enough juice to vaporize, the coil will begin to heat up.... and could hit the point where the vapor starts to oxidize (i.e. burn). That's bad juju.... you don't want that.

Now, back to cotton. Anyone who has used cotton wicks can attest that cotton soaks up a ton of juice. That's a big reservoir for that microcoil. So when that fires, even if the cotton couldn't necessarily keep up with the vaporization, there's enough in there to keep the coil 'wet' until we stop taking a puff... then the cotton does its job and sucks more juice in... refilling the ol' tank. This is where I think cotton works much better... and why I couldn't get a silica wick to work a damn in my KFC. The silica would start to dry out too quickly and I'd get a flavor that would best be described as 'ode to ashtray'.

Now, for the older style coils, like a 5 or 6 wrap of 32g you'd see in something like Protank or Viva Nova, a silica wick may outperform cotton since the juice demand might be low enough to where it can draw in juice fast enough to replace the vaporized stuff. When I dabbled with cotton wicks when I vaped Evods, this is pretty much what I found; I'd burn cotton wicks where the silica wicks would vape like a boss with even the most heavy-handed draw. It wasn't until I switched to RDAs that I finally understood why people were raving about microcoil/cotton....

Now, the big drawback of cotton is that if it dries, it dies.... it'll burn quickly. But it holds so much juice that it can take a while (in my experience) to get to this point, even in something like a RDA. In my KFC, there's no worries as there is no mystery as to how much juice remains... so as long as you didn't choke the juice channels, you're golden.

OK.. done rant....
 

LeoRex

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Now get some cotton yarn, and compare it to rolled cotton wicks. :D

I've had a skein of peaches and cream in my bag for a while... haven't boiled it yet to try it out. I guess I should, 90% of my rewick time is made up of actually getting the wick prepped. If the yarn worked just as well, it'd be even easier.
 

LeoRex

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Question... anyone with a KF, KFL, Russian...do they use the plastic or metal tank section? I can't imagine using the SS tank section... you have no idea how much juice is in there! It'll run dry without you knowing and you have no idea how much you've filled it (unless you fill it from the top with the cap off.
 
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