opinions on wick
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but now we know what a short looks like on the meter, so now i can try to fiddle with this some more and see if i can get it to stop shorting out.
using this chart for mV to °C conversion. the reference point is 0 °C for this thermocouple and meter.
http://www.pyromation.com/downloads/data/emfk_c.pdf
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I'll admit, I don't have a phd, but it seems entirely possible to me that the coil could be reaching the temperature required to boil/vaporize the e-liquid WITHOUT bringing the cotton itself to that temperature. The coil only has to vaporize the liquid it is in contact with, not all of the liquid contained within the wick. Now, any stray fibers that would not hold liquid, and would come into direct contact with the coil may be fully degraded.
To go back to the original post, you've exhausted every wick material I've ever heard of. I forget what you're argument was against the xc-116, the "readyxwick" is just the proprietary treated xc-116 that rbasupplies sells.
To go back to the original post, you've exhausted every wick material I've ever heard of. I forget what you're argument was against the xc-116, the "readyxwick" is just the proprietary treated xc-116 that rbasupplies sells.
oh yes, you are quite correct. the wire could be creating a layer of "steam" essentially so that the wick and wire are seperated by a layer of e-cig vapor.. this is commonly known as the Leidenfrost Effect. its mostly widely known demonstration of the Leidenfrost Effect is when a person puts there hand in ice water for a bit then puts that same hand into a pot of molten lead. the water evaporates creating a layer of steam and the molten lead never really touches the person hand and thus they are totally unhurt.
i do not believe the Leidenfrost Effect effect plays much of a roll when dealing with e-cigs but it is something i have thought about for a while.
i will not use xc-116, because no one can tell me what its made of.
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Did you look into the porous ceramic wick?
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burned the wick on this test, seems the the micro coils really help hold the cotton fibers in place.
yes and it sounds like it could be a really good option. my issue is that its not flexible and my devices i currently own require a flexible wick.
i have used my friends genesis atty before, im not a fan.
I see, well if you determine cotton to be ok, you may want give gennys another shot, I use cotton and microcoils on all my gennys and I'm a big fan, cotton is much more reliable and easy than mesh for example. You might change your mind.
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after all of these tests i have done, i wish there was something that wicked as well as cotton. i really do. but i cant bring to self to burn any amount of cotton no matter how small... it just doesn't seem logical to use cotton when i can use silica and not worry about inhaling the whole mess of chemicals that comes with burning organic compounds.
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More testing. So 6.1 mV means the center of wick is about 150 degrees Celsius. The surface of the wick where the wire meets the wick must be as hot or hotter than the core.
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I'm pretty sure that silica products like silica sand for example have been outlawed, in CA. at lease, due to their cancer causing effects. A friend of mine warned me against using silica anything for that reason. I could be totally wrong tho.
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Alumina-borica-silica fiber. Nextel Braided Ceramic Very High Temperature Sleeving
Why exactly do you think the leidenfrost effect doesn't apply to e-cigs? This would actually explain why I can use the same ~1.5mm thick piece of cotton in my primary dripper for well over a week. In fact, I haven't HAD to change a wick since my first few weeks of using cotton. In my experience, gunk needs to be dry burned off the coil long before the cotton has degraded at all.
That and silica tastes nasty, if you can taste it, you're inhaling it.
Agreed, people always say cotton sucks but silica works better / doesn't burn, if your not able to make cotton work but silica is working for you you have a wicking problem and your prolly burning your silica too.
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Not sure what you mean by "no body can tell me what xc-116 is made of" RBA supplies website has the "Technical Manual" and "Data Sheet" linked on their website.
I just got to thinking about something....
I was looking at an unrelated topic, and I remember seeing this:
Patent US5342854 - Polyester dissolution for polyester/cotton blend recycle - Google Patents
From the article:
So what does this mean?
Well for one thing, in my mind, cotton can withstand short periods of 190 degree Celsius exposure without any degradation of the fabric. I think that the "magic number" of decomposition for cotton for short durations is much, much higher than 150 degrees C.
I was looking at an unrelated topic, and I remember seeing this:
Patent US5342854 - Polyester dissolution for polyester/cotton blend recycle - Google Patents
From the article:
So what does this mean?
Well for one thing, in my mind, cotton can withstand short periods of 190 degree Celsius exposure without any degradation of the fabric. I think that the "magic number" of decomposition for cotton for short durations is much, much higher than 150 degrees C.
About the heat capacity on the contraption, we need to have energy saturation before any molecular decomposition starts. That explain this, right?
So, it's not simple about the peak temp. on the wick.
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So, it's not simple about the peak temp. on the wick.
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That was aimed at the atomizer deck/coils and wicks. The heat fins were about 60°.
i would agree, short term exposure for cotton at 150 degrees C is not enough to cause decomposition. but seeing 150 degrees C in the core of a wick tells me that the surface is much hotter.
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what ever "nasty" taste you are getting is not the amorphous silica. because it has no smell or flavor.
see section 9 for more info on odor and taste
http://www.sciencelab.com/msds.php?msdsId=9924924
you can not burn silica in an e-cig. the kanthal wire would melt before the silica started to burn.
i give all of my amorphous silica wicks a quick torching with a butane torch lighter before i use it. this burns off any dust particles or skin oils and does hot harm the amorphous silica wick..
the silica wick i buy is %99.9 pure amorphous silica
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