KangerTech SUBTANK Mini
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The tank overall was designed with large coils in mind G.
You're right and thanks. It's an advanced build but not out of reach with the right tools.
I'd say give it more wick jim. I built on 2.5mm and pack dense. My res is exactly .531Ω. I can take it to 22.5W but I am producing more than ample volume at 15-17.5W. The coil design was considered for that target.
I think 30's a good wire for this base, a good centerline.
Parallels characteristically run hot. Twisting the leads lock in the turn-to-turn relationship. But it's got to be there in the first place. That's what winding with tension ensures. That when you pulse and oxidize they turns are as tight as can be had.
I highly recommend it. When tensioned parallels shine. They go cooler because they transfer thermal energy more efficiently. You get all the vapor production you'd expect, less radiated energy to air proportionately and a very even distribution of energy to the wick…exactly how and where you want it. This could be a cause of the drying out. You are centering the heat, as is common in a conventional wind. Many folks try tension but they're really not getting to the closest proximity in the wind. A jig like the gizmo or pin vise are a good way of getting just the right amount of strain. Once you realize where strain lives all your winds will improve.
Good luck J.
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My first twisted with tension is done! 
Because this was experimental and somewhat spur of the moment, I went to my local B&M intending to pick up some 30AWG A1 for a tensioned twisted coil. They were out of 30, so I went with 28 and I had to adjust my original intended build just a bit.
I did 7 wraps aiming at .7 ohms resistance.
Specs here: Coil wrapping | Steam Engine | free vaping calculators
I hit the nail on the head! Right on my ohm mark and so incredible on the flavor at 15-30W!
This is the best image I could muster with poor lighting and a cell phone.
This was prior to firing the coil for a burn test. After some very minor adjustments she was lighting up perfectly from the center outwards.
I spent my time trimming the wick to just brush the bottom of the build deck and juiced it up, then I gently fanned out the wick from post to post across the deck. I'll try to take some more pics when I re-juice later.
Because this was experimental and somewhat spur of the moment, I went to my local B&M intending to pick up some 30AWG A1 for a tensioned twisted coil. They were out of 30, so I went with 28 and I had to adjust my original intended build just a bit.
I did 7 wraps aiming at .7 ohms resistance.
Specs here: Coil wrapping | Steam Engine | free vaping calculators
I hit the nail on the head! Right on my ohm mark and so incredible on the flavor at 15-30W!
This is the best image I could muster with poor lighting and a cell phone.
This was prior to firing the coil for a burn test. After some very minor adjustments she was lighting up perfectly from the center outwards.
I spent my time trimming the wick to just brush the bottom of the build deck and juiced it up, then I gently fanned out the wick from post to post across the deck. I'll try to take some more pics when I re-juice later.
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My first twisted with tension is done!
Because this was experimental and somewhat spur of the moment, I went to my local B&M intending to pick up some 30AWG A1 for a tensioned twisted coil. They were out of 30, so I went with 28 and I had to adjust my original intended build just a bit.
I did 7 wraps aiming at .7 ohms resistance.
Specs here: Coil wrapping | Steam Engine | free vaping calculators
I hit the nail on the head! Right on my ohm mark and so incredible on the flavor at 15-30W!
This is the best image I could muster with poor lighting and a cell phone.
This was prior to firing the coil for a burn test. After some very minor adjustments she was lighting up perfectly from the center outwards.
I spent my time trimming the wick to just brush the bottom of the build deck and juiced it up, then I gently fanned out the wick from post to post across the deck. I'll try to take some more pics when I re-juice later.
I am amazed 7 wraps would give you 0.7 ohms. If I do 7 wraps with my twisted 28g I am closer to .9-1.0. Must be my ID difference.
My first twisted with tension is done!
Because this was experimental and somewhat spur of the moment, I went to my local B&M intending to pick up some 30AWG A1 for a tensioned twisted coil. They were out of 30, so I went with 28 and I had to adjust my original intended build just a bit.
I did 7 wraps aiming at .7 ohms resistance.
Specs here: Coil wrapping | Steam Engine | free vaping calculators
I hit the nail on the head! Right on my ohm mark and so incredible on the flavor at 15-30W!
This is the best image I could muster with poor lighting and a cell phone.
This was prior to firing the coil for a burn test. After some very minor adjustments she was lighting up perfectly from the center outwards.
I spent my time trimming the wick to just brush the bottom of the build deck and juiced it up, then I gently fanned out the wick from post to post across the deck. I'll try to take some more pics when I re-juice later.
Congrats on your first tension wind. Looks pretty sweet for right out of the chute. I sometimes get that undersized end turn diameter as shown in your pic too. On the far right. Usually happens if I have to jockey the coil around to much to get it into position. A tiny bit heavier wicking will keep that end turn cool enough. Let us know how it holds up.
I have moved back to twisted 32 after some experimentation with 30. Too much mass to heat up and cool down for my vaping style. Looks like I'm going to be riding the twisted 32 horse for a while. The flavor and vapor production is off the chain at 22.5w as always with my adv juice. Down from 31w with the 30ga.
32ga Twisted Pair (30 twists per inch), 5 wrap, 6-32 screw wind, tensioned spaced coil, 1.12 ohm, wicked chunky with kgd. Temperature is stable from 15w to 32.5w.
Great wind for the STmini and a must try imo.
First post here.
Just bought the atty and I'm veeery happy with my purchase
I'm not a cloudchaser. Flavor is
Congrats Slavkov! Looks like you are using the RBA. With the stock coil?
Well i used the RBA for the first time with the stock coil installed and i wicked it with cotton for the first time. At 16w - 5sec draw it's fine, but at 17w - 5sec draw, it has a bad burnt taste. Is there too much cotton, or is this normal? 70vg/30pg
Well i used the RBA for the first time with the stock coil installed and i wicked it with cotton for the first time. At 16w - 5sec draw it's fine, but at 17w - 5sec draw, it has a bad burnt taste. Is there too much cotton, or is this normal? 70vg/30pg
View attachment 416358
Try less cotton. Some of the RBAs don't have the channels properly drilled and you'll get dry hits whatever you do. Butif you can get 5 second draws at 16 watts you're probably not one of the unlucky ones. Keep the cotton away from the channels, and it should work better!
I vape my RBA with the stock coil at 21.5 watts on approximate 3.5 second draws. My air flow is wide open. No burnt taste, lots of flavor, and good cloud production. Couldnt be happier
Thanks Amanda, I tried trimming it back so the ends of the cotton are touching the deck and wicking from there. I tried a full 5 sec draw at 16w and got a burn taste so I also brought the watts down to 15.5 and now it tastes great.
Thanks Amanda, I tried trimming it back so the ends of the cotton are touching the deck and wicking from there. I tried a full 5 sec draw at 16w and got a burn taste so I also brought the watts down to 15.5 and now it tastes great.
Joey, it's really hard to over wick the coils in these rtas. It takes a lot of cotton density to keep it from dryhitting. I can chain vape my latest build at 32w taking 10 sec pulls. You should be able to as well when you get the cotton density high enough. Flavor will likely peak at a higher wattage than 15w though. Probably closer to 20w.
I should have been clearer! I meant less cotton on the deck - not through the coil! (As in not covering the juice channels). I vape mine at 30 watts with no issues. But my other one dry hits at any wattage (and the channels are fully drilled).
Yeah, that leg actually snapped when I put the coil into the tank. I built another one that came out much better and same resistance!
Yes I also noticed that it took a bit to heat and cool when burning in the coil before wicking and getting rid of a hot leg. I am placing an order with temco asap. I'm going to get me a quiver of wire: 32, 30, 28, & 26AWG!
2nd coil is working like a champ... so much so I made a 3rd for my RDA and I cannot believe the difference!
Well i used the RBA for the first time with the stock coil installed and i wicked it with cotton for the first time. At 16w - 5sec draw it's fine, but at 17w - 5sec draw, it has a bad burnt taste. Is there too much cotton, or is this normal? 70vg/30pg
View attachment 416358
Looks like the cotton is too long, or possibly too densely packed into the coil to me. What res does that stocker come out to?
Mine is hitting fine with stock juice channels. After thinking the juice holes too small, I am having zero issues with dry hits, and I can take a long lung hit just fine!
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Interesting, why the dry hits?
Did u try switching rda's in the tank that gets no dry hits.
Trying to figure out why one RbA/tank gets no dry hits but the other one does, if we can find the common denominator we could figure out the reason for dry hits, well maybe some of them.
I get them once in a blue moon but its usually my fault, old wick, gunked up coil, not enough drag for the power I set it to, doing it outside in this frackin cold winter
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Waitin' on one more Mini enroute from Triangle Vapes. Couldn't resist this offer. Gotta 'fess up even more so on a 2nd Smok BT50W. Jaw dropper. Yep, the one and same I've been usin' in some tests'n pics.
So if you're out a box, missin a box, wantin' a box, never had a box...I'd be lookin'.
Just sayin'.
Good luck.
p.s. Nopes, this post ain't approved by no reseller. But I'm sure they'll like it. They're gettin' the nod 'cause they done it quick.]
So if you're out a box, missin a box, wantin' a box, never had a box...I'd be lookin'.
Just sayin'.
Good luck.
p.s. Nopes, this post ain't approved by no reseller. But I'm sure they'll like it. They're gettin' the nod 'cause they done it quick.]
cigatron, thanks .. I re-wicked it with more cotton [denser] .. i got it up to 25 w , but i find that a bit too hot for me. 20 w is better for my lungs. I did try 30 w and it seemed dry. A lot of bubbles are rising between draws, which is normal. I think i have it [closer] to right now.
What gauge wire should i get for the future? Mind you, i prefer a cooler vape than you. I have a delrin drip-tip , but i still find 25 to 30 watts too hot for my lips and lungs. I must admit, my Aspire Atlantis is cooler at 20 w with the 0.5 ohm coils.
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