Micro Coils to increase Vapor, flavor & TH
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  1. #1
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    Default Micro Coils to increase Vapor, flavor & TH

    The link below takes you to a mature thread that details the process and includes photos on how to build a micro coil - a very small bore (less than 1/16" diameter) coil with touching loops and all. These types of coils produce amazing vapor clouds, remarkable TH and superior flavor.

    They are typically built with 10 + wraps and meter out in the 1.5 - 2+ ohm range. They yield similar warmth of a coil in 1 ohm range, but the vapor production is off the chain. Enjoy:

    Micro Coil for the RBA on your REO
    Micro Coil for the RBA on your REO

    VAPE IT LIKE YOU $TOLE IT AND WHEN IN DOUBT SQUONK https://www.youtube.com/user/sxmxdrifter

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    Super - nice thread. I have heard of people getting really good result with micro coils. For reference, there another thread in the modding section called The "Spin E" coil sure is coil E & wind E that explores a similar concept and has some testing and interesting videos through out.

    If I remember correctly, I think there are two factors going on here. Tight coils allow for more consistent/even coil on wick temperature. Tighter coils heat more quickly and will have smaller thermal zone temperature range. Coils lightly touching each other don't short out. Kanthal develops an oxidation layer, so as long as there is not significant pressure (depends upon amount of wire oxidation) between the touching coils, you are effectively insulated.

    There was another point on surface area. Similar round wire gauge of similar length will have the same surface are regardless of inter coil distance. It the coils really are touching then there would be less surface area. Most of the coils I saw have micro gaps, so really surface area would be the same.

    On the other hand, ribbon wire compared to a round wire equivalent will have ~50% more surface area. So you effectively should get even greater vaporizaton.

    Didnt think I was gonna do full thread recap...just thinking out loud and typing away...good stuff. Thanks for sharing the link to the other thread it was very insightful.
    Last edited by gdeal; 05-12-2013 at 01:49 AM.



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    PV Master ECF Veteran Jerms's Avatar
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    I love doing these micro coils for my drippers, the IGO-S and IGO-L getting the most use. I have a nail to wrap the coil around that gives a perfect diameter to thread in a single length of the German silica from RTDvapor. It can be a little difficult threading the rope through, but gets easier with practice and patience. Makes great contact without choking the wick. I've tried wrapping a micro coil right on the silica, but it's too easy to accidently make one or more wraps too loose (hot spot) or too tight (choked wicking).

    It's satisfying watching a perfect coil start red in the center and quickly spred out to the 10+ wraps before threading in the silica. It's a kind of build that allows same results every time. I like the slightly quicker heating up time of touching or near touching coils and I can go longer before the coil needs cleaning.

    Love me the micro coil! Flavor, performance, vapor, and reliablility just spot on for me.

    Sent from my LGL55C using Tapatalk 2

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    I'm about to get into rebuilding and was wondering if yall think it would be a good idea to try it on my Protank.

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    It would be interesting to find out. If the protank is anything like the T3 and vivi, in that it has long leads in relation to coil size (hot leg, burnt taste), then this could be a way to work around it. The micro-coils really glow bright in the middle of the coil, and sometimes even the last loop or two are silver (not glowing). Remember, these coils burn hot! I usually vape @~0.8Ω; but get the same results from a 1.3-1.6Ω micro-coil (depending on the details of the build). So, take it down a couple notches if you try it.
    Jerms, Kemosabe, MrSato and 3 others like this.

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    It is very similar to a T3. They share the same heads but the protank is just bigger and glass. I am thinking of getting some 28g kanthal to try my first rebuild as by my guess it would be better then a regular style rebuild. What wick would I use for something like that and a good diameter?

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    PV Master ECF Veteran Jerms's Avatar
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    Quote Originally Posted by MaxS89 View Post
    It is very similar to a T3. They share the same heads but the protank is just bigger and glass. I am thinking of getting some 28g kanthal to try my first rebuild as by my guess it would be better then a regular style rebuild. What wick would I use for something like that and a good diameter?
    Recently got an eVod, which I hear uses about the same head as the ProTank. When I rebuild one of the heads I plan on using 3mm German silica, and maybe another 1.5mm for a flavor wick if kit needs it. Going to try a fairly conservative micro coil, aroune 6-8 wraps of 31ga. Kind of limited because of the small space it occupies. I see no reason why it wouldn't work great, except wicking may be an issue. Such a short piece of wick is used in these, and I get dry hits sometimes from just the regular set-up. If the German silica can't keep up I'm sure cotton would.

    Sent from my LGL55C using Tapatalk 2

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    Any reason you're choosing the 31? And what is the pro of the German silica vs regular? Want to make sure I'm getting the right equipment for this and want to dig into the minds of more experienced rebuilders before I do. The evod and protank heads have become identical after the latest update to its base if you have the S version.Older style is pretty much the same though.

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    Quote Originally Posted by MaxS89 View Post
    Any reason you're choosing the 31? And what is the pro of the German silica vs regular? Want to make sure I'm getting the right equipment for this and want to dig into the minds of more experienced rebuilders before I do. The evod and protank heads have become identical after the latest update to its base if you have the S version.Older style is pretty much the same though.
    31ga because I'll be going for in the 1.5 to 2 ohm range. I just use the eVod for on the go vaping with eGo VV type devices.

    The German silica is a personal preference of mine over regular twisted silica. I find it to wick better, taste better, and hold up to a lot more abuse than regular. I'm pretty limited in my experience with other wicking material though, was a matter of I thought regular silica sucked, German silica worked great, and haven't experimented with other types yet.

    Sent from my LGL55C using Tapatalk 2

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    PV Master ECF Veteran Jerms's Avatar
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    Also, I've read around 4mm diameter is around what works best, give or take .5 mm or so. That included the wick plus the flavor wick. So like: 2 strands of 1.5 for wick and 1 to 1.5mm flavor wick; doubles up 2mm wick with maybe a little for flavor wick; 3mm wick and 1mm for flavor wick, etc.

    Sent from my LGL55C using Tapatalk 2
    JeremyR likes this.

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