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Thread: Protank 2 Microcoil Vapor Issues

  1. #31
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    Quote Originally Posted by Sthur View Post
    I use 30 gauge microcoil with 8 wraps on 1/16 drill bit. I ended up at 1.8 ohms with boiled cotton wick. Using plastic cup upside down. Works great. Was my first pt coil rebuild too.
    S you got the ticket on a great vape. Make sure you're low in the slot your end turns are tight into opposing legs at termination and you're good to go. I've posted some remarks on this thread on how to easily make the wind tight. You might want to take a peek…

    Protank MicroCoil Discussion!!

    Specifically…

    Torsion wind of a contact coil...Protank MicroCoil Discussion!!

    Good luck!



    p.s. Let us know your end resistance.
    Last edited by MacTechVpr; 12-07-2013 at 08:45 PM.

    Luck is what happens when preparation meets opportunity—Seneca the Younger

  2. #32
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    I have a quick question if you don't mind.
    I just got into rebuilding my Protank II coils this past week.
    I bought a 3-feet of 28-Gauge from kidney puncher and used it all in about a day of miserable failure lol.
    I was wrapping it around a 1.4mm precision screwdriver because that is the only one out of the set that will fit in between the base.
    I made one seemingly successful microcoil, but I noticed something wierd.
    It sits around 1.6-1.7 ohms but if i screw my tank on snug it drops the coil into sub ohm territory in which my lavatube v2.5 will NOT fire below 1.2ohm. Do I have a short somewhere?
    What is causing this?
    Thanks in advance!
    EDIT: I have 25ft of 28-Gauge on its way. Snagged it cheap for $5 free shipping
    Last edited by Hivemind; 01-12-2014 at 08:54 PM. Reason: additional info

  3. #33
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    Quote Originally Posted by Hivemind View Post
    I have a quick question if you don't mind.
    I just got into rebuilding my Protank II coils this past week.
    I bought a 3-feet of 28-Gauge from kidney puncher and used it all in about a day of miserable failure lol.
    I was wrapping it around a 1.4mm precision screwdriver because that is the only one out of the set that will fit in between the base.
    I made one seemingly successful microcoil, but I noticed something wierd.
    It sits around 1.6-1.7 ohms but if i screw my tank on snug it drops the coil into sub ohm territory in which my lavatube v2.5 will NOT fire below 1.2ohm. Do I have a short somewhere?
    What is causing this?
    Thanks in advance!
    EDIT: I have 25ft of 28-Gauge on its way. Snagged it cheap for $5 free shipping
    At ~1.6Ω initial I'd surmise your wrap was fairly loose. That is to say a hand wind and your leg termination had too much room to wander when you set. So your initial read may have been higher than actual, your subsequent read reflected the short. There really can't be any incidental contact of either leg lead and the only way to avert that and the bad performance after is to build tight. I mean we're going to go through the effort we might as well reap the reward, right? I think you get my meaning hive, I just hate to see people struggle. Only thing I know how to recommend is to get it as right as rain.

    If you've read the thread you know I'm recommending tension winding so we don't have to worry so much about the coil itself. It's formed and staying that way after it's locked in place and pulsed to reinforce the wind adhesion after termination. That's the issue here, you want to pay particularly close attention to the direction the final turn is pointing on both sides and terminate those legs in those respective directions at the grommet. So you have legs terminating opposed, yes; but, specifically in the direction they come off the wind with tension applied by hand or with a utensil like a forceps to finish tightening the end turns as you insert the grommet, then pos pin.

    I saw a video today of a smart young man, well done, demonstrating how he had carefully terminated the legs directly opposite. That's swell. Problem was they were lined up along the axis of the coil. So my question is — did he bother to check if he had crossed them as he did it. If you understand this, you've got it. You understand why that direction and tightness is absolutely essential. And most of the instruction I see on this forum is only half the story.

    How are we, newcomers, supposed to be able to do this a piece of pie at a time?

    More details on this and tension winding on…

    Protank Cotton Rebuild, the way I do it

    Protank MicroCoil Discussion!!


    I'd suggest if the wire you're getting is not spooled, to try and find something to spool it on from which you can feed it comfortably. Also to stretch any bends or folds which might bind it during a wrap. Rolling it out first on a feed spool will help minimize that possibility when you do wind eventually. You'll see my other suggestions on wick and diameters on the above threads as well.

    It's a patient process the first few times hive. But thereafter as you gain some muscle memory yourself, it will start to become second nature and you'll be hitting resistance targets with greater ease. Then if you've get the tight build thing down that proper coil will give you in all likelihood weeks of reliable service.

    Post or PM me if need be, and

    Good luck.

    Luck is what happens when preparation meets opportunity—Seneca the Younger

  4. #34
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    Quote Originally Posted by Hivemind View Post
    I have a quick question if you don't mind.
    I just got into rebuilding my Protank II coils this past week.
    I bought a 3-feet of 28-Gauge from kidney puncher and used it all in about a day of miserable failure lol.
    I was wrapping it around a 1.4mm precision screwdriver because that is the only one out of the set that will fit in between the base.
    I made one seemingly successful microcoil, but I noticed something wierd.
    It sits around 1.6-1.7 ohms but if i screw my tank on snug it drops the coil into sub ohm territory in which my lavatube v2.5 will NOT fire below 1.2ohm. Do I have a short somewhere?
    What is causing this?
    Thanks in advance!
    EDIT: I have 25ft of 28-Gauge on its way. Snagged it cheap for $5 free shipping
    Check the ends of the wires where they poke out of the head at the pin/grommet. When I've seen a short while screwing the head on, it has because one of those ends wasn't snipped off quite right and eventually contacted the threads as it was screwed in. Use toenail clippers to cut them off close.

  5. #35
    Super Member Verified Member bosun's Avatar
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    100 feet of Kanthal $5.48 shipped! Have done business with them before and very quick shipment..

    Kanthal Wire 30 Gauge RW0107 - 100 FT 0.39oz Series A-1 Resistance AWG

    Various gauges available..
    Nu2Dis and MacTechVpr like this.

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