Kanger protank rebuild

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corsairhawkvap3

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jaynole

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Just sharing, rebuilt Protank head. 7 wrap micro, 30 awg Kanthal on 1/16 alan wrench, 1.5 ohms. Cotton wick, vapes like my Igo w.
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jaynole

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oooooo very interesting jaynole. I'm gonna have to try that out xD Did you ever get a problem with burning the rubber grommet from doing that?

Also have you tried using ekowool?

Haven't burned the rubber grommet as of yet. I thread a pinch of cotton from a sterile cotton ball, about the size of the amount from a qtip. I twist the end tight and thread it through, kinda lose, not too tight or the coil will choke it. Fluff out the twisted end and trim. I use an even smaller amount laid across for the flavor wick. I do cut tiny wedges in the sides of the rubber seal around the post so the cotton doesn't get compressed by it. It's hard to see in the pic.

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cliffy15

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So cliffy i also got those insulators in from kidneypunchers. I wrapped 6/7 coil on 2mm ekowool and my SVD kept saying 4.5 ohm O.O? I tried using it and the draw was sooooooo tight that i felt like i was sucking through a straw with a piece of jello clogged in it lol. I removed the aga insulator put back a washed rubber grommet and the end cut off.

The ohms came out to 2.5, i'm happy and no burnt rubber taste yet =) Idk those aga insulators seem a little too big to be able to be a viable solution xD. If i'm doing it wrong just say so.

Nvm i cut the edges of the aga insulator and the airflow is fine now =)

Sorry, I keep forgetting that this is ProTank specific thread. I use the rebuilding terms interchangably since I use both EVODs and ProTanks.

Yes, the aga insulator is difficult to fit and does stick out a bit (width-wise) from the base after completion. I am not surprised that this restricts airflow in the ProTank base, unless trimmed, since it basically has to squeeze into the space of a 510 connection where there's a lot of room in an EVOD configuration.

In fact, I should have mentioned that I am only using the aga insulator for my 4-coil, 1.7-Ohm rebuilt LR heads in my EVOD where I am unable to alleviate the problem of the hot leads burning the grommet. I still have yet to experiement with a micro coil setup or NR-R-NR setup for this purpose.

Still, my latest 7-coil, 2.3-Ohm rebuilt heads (with stock rubber grommet) are working fine with no burning whatsoever so I am completely happy with this config for now.

However, my next experiment is going to be a 7-coil ~1.7-Ohm coil head in 31awg instead of 32awg. I'm trying this based on resistance/inch specs for Kanthal A-1 and we'll see how that goes ... if all works correctly, this will be my rebuild of choice as it should work awesome for my entire range of batts.
 

cliffy15

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I'm not sure about oxidizing ...

... but I do give the wire a quick pass with my torch (not for too long otherwise it can melt) and give the silica wick a good long torching along its entire length. Basically it burns off those things that cause a nasty taste. Otherwise, I get the weird taste and have to vape a few tanks worth of liquid before it goes away.

I was under the impression that you only have to oxidize steel mesh wicks in order to make sure that it's not conductive anymore and producing shorts in your coil/head.
 

Mivsy

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Built my first successful micro coil tonight. 1.9 ohms, 32 gage kanthal wrapped around a 1/16 drill bit, with a 2mm silica wick, and two 1mm flavor wicks. I believe it ended up being a 5/4 wrap, not sure because I pulled a couple loose wraps off and my eyes aren't what they use to be. The micro coil really helped with the hot legs problem I was having earlier with lower resistant coils. Vaped about 1.5 ml so far and no signs of a burnt grommet. Flavor and throat hit is pretty good, but the vapor production is quite impressive to me for this set up. this is only the third coil I've ever built and I'm quite pleased with myself. Thanks to everyone for sharing all their knowledge and experience.
 
I have an interesting situation. I like a strong throat hit and when I begin my vape is it rather strong but when i get about halfway through it is almost gone. My vape consists of 20 drags. Does this happen with anyone else? If so how do I solve that problem and have a strong throat hit all the way through?

This is with my protank, i use 32g kenthal and 3mm silica wick
 
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pizza2me

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Built my first successful micro coil tonight. 1.9 ohms, 32 gage kanthal wrapped around a 1/16 drill bit, with a 2mm silica wick, and two 1mm flavor wicks. I believe it ended up being a 5/4 wrap, not sure because I pulled a couple loose wraps off and my eyes aren't what they use to be. The micro coil really helped with the hot legs problem I was having earlier with lower resistant coils. Vaped about 1.5 ml so far and no signs of a burnt grommet. Flavor and throat hit is pretty good, but the vapor production is quite impressive to me for this set up. this is only the third coil I've ever built and I'm quite pleased with myself. Thanks to everyone for sharing all their knowledge and experience.

You got 2mm through a1/16 coil?!?! I thought of trying this but didn't think it was possible. That coil is so dang small. I've tried cotton with that coil a couple times without much success. I've had better success with SS. Non-micro
 

pizza2me

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So in looking at the pics of micro coils, it looks as though the coils are touching. It's this ok?

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Yes. That is the key to micro coil performance. And their small ID. Check in the RBA sub forum for a very active micro coil thread.
 

corsairhawkvap3

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It's been awhile since i posted back on this thread but here's my results. So far i've rebuilt 5-7 protanks heads with 2mm ekowool and 32 gauge kanthal mostly coming out to 2.0 ohms with 6 wraps. I always twist the legs of the coil so there's less of a chance of "hot legs' =)
I've had no burning rubber grommet so far and i'm extremely pleased with my results.

I just recently built a head with 3mm ekowool 32 kanthal and 6 wraps and it came out to 2.8 ohms O.O. I checked for shorts but there aren't any. I haven't used that head yet but will soon, wondering if anyone has used 3mm ekowool to rebuild instead of 2mm ekowool.
 

xtwosm0kesx

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It's been awhile since i posted back on this thread but here's my results. So far i've rebuilt 5-7 protanks heads with 2mm ekowool and 32 gauge kanthal mostly coming out to 2.0 ohms with 6 wraps. I always twist the legs of the coil so there's less of a chance of "hot legs' =)
I've had no burning rubber grommet so far and i'm extremely pleased with my results.

I just recently built a head with 3mm ekowool 32 kanthal and 6 wraps and it came out to 2.8 ohms O.O. I checked for shorts but there aren't any. I haven't used that head yet but will soon, wondering if anyone has used 3mm ekowool to rebuild instead of 2mm ekowool.

Im noticing some wicking issues using 3mm ekowool in PT heads, haven't fiddle with it a ton, but the difficulty of cramming it into the head notches was the first indicator...lol
 

xtwosm0kesx

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hmmm twosmoke what ratio eliquid are you using? I usually use 50/50 but i think i'm going to start buying some 70/30 pg/vg eliquid since i do like the throat hit =)

Generally 50/50 unless its Bobas etc.

I actually went so far as to modify one of my PT heads by filing out the wick notches to accommodate the wick without crushing it. Then used a paperclip to keep the tube in the middle of the ekowool open when i torched it to stiffen it up/burn everything off before i wrapped it. Im still waiting on my 28g kanthal, so all i have is 32g right now, which kinda limits the types/sizes of coils i can try. Ive yet to get a wick/coil out of it that had any kind of decent performance, but ill keep tinkering till i figure it out, or move down to 2mm, and try that.

Guess 3mm reg silica with cotton flavor wicks will have to stay my go to for now
 

corsairhawkvap3

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Generally 50/50 unless its Bobas etc.

I actually went so far as to modify one of my PT heads by filing out the wick notches to accommodate the wick without crushing it. Then used a paperclip to keep the tube in the middle of the ekowool open when i torched it to stiffen it up/burn everything off before i wrapped it. Im still waiting on my 28g kanthal, so all i have is 32g right now, which kinda limits the types/sizes of coils i can try. Ive yet to get a wick/coil out of it that had any kind of decent performance, but ill keep tinkering till i figure it out, or move down to 2mm, and try that.

Guess 3mm reg silica with cotton flavor wicks will have to stay my go to for now

That seems like too much tinkering for me atleast xD. I'd definitely recommend using 2mm ekowool for 50/50 eliquids. It really wicks amazing, enough to the point where im vaping at 11.5 watts on my 2.2 ohm head with amazing flavor and vapor. Hope that helps =)
 
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