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Death of my NEW Zenith V2

Discussion in 'Rebuildable Atomizer Systems' started by Cahdek, Jul 3, 2014.

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  1. Cahdek

    Cahdek Senior Member Verified Member ECF Veteran

    May 28, 2013
    Sacramento, CA
    Long story short: Melted the insulator and welded the center post to the base

    Long story long: Built a quad 28 ga coil at .3 ohms. Hit like a DREAM! Only problem, the center post go WAY hot and eventually melted the insulator (unbeknownst to me) . I was vaping on it and didn't notice until I went to take another and it tasted like hot metal. Thought my battery vented. Nope. not only did the insulator melt, but the center post was now welded in place. I removed my build, and attempted to free up the center post and then the damn center post broke. This thing is really welded in there.

    So... $130 down the tubes. I'd still like to salvage it, but not sure if its possible at this point. My thinking is that using 28 gauge wire was the culprit and perhaps the same thing with a lower gauge wire (i.e. 24 or 22) wouldn't have gotten the center post so hot. Thoughts?

    Welded-Zenith.jpg
     
  2. st0nedpenguin

    st0nedpenguin Moved On Verified Member ECF Veteran

    Jun 24, 2010
    WA
    I find it hard to believe the thing could even get hot enough to melt the insulator during normal use unless it was made of wax.
     
  3. wonkeypickle

    wonkeypickle Super Member ECF Veteran

    Dec 29, 2013
    'murrikka

    Melted a few clone insulators before, but this sounds like a defect provided op metered their build and the connections were solid.
     
  4. Cahdek

    Cahdek Senior Member Verified Member ECF Veteran

    May 28, 2013
    Sacramento, CA
    Yep. I have a 510 ohm checker and I metered it at .3 ohm (1.2 ohm each /4). My thinking is that since it takes the 28 gauge longer to heat up (thus more current for longer) the center post got too hot. One thing I did notice about the Zenith is that when it gets hot, it stays hot. I tend to take several pulls in succession thereby keeping the RDA and center post hotter for longer...

    Another possiblity is that I know CMII was WAY behind on getting the orders out because of a CNC machine issue. I had ordered mine in March and got it in June. Perhaps in the scramble, they used sub-par materials. Wouldn't think they would, but given that this thing melted rather easily, perhaps it makes sense.

    Either way I don't think it's fixable. I tried to pull the center post out (and tried unscrewing it) and the damn thing broke off. If I knew how to get that center post out, then perhaps it can be saved.

    I'm disappointed in it really.

    I've since bought a Stillare v2i but am very hesitant to use 28 gauge in it. 24 is on the way

    EDIT: For clarification, I measured the COMPLETED quad coil at .3 ohm, NOT the individual coils
     
  5. Cahdek

    Cahdek Senior Member Verified Member ECF Veteran

    May 28, 2013
    Sacramento, CA
    Does anyone know how the center post comes out of a Zenith? Is it press-fit, threaded? I've tried to twist it out, pull it out and nothing. Maybe that thing is tack welded better than I thought
     
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