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Coil Builds and Kanthal Gauge for Mech Mod

Discussion in 'Coil Building' started by AzVapr, Mar 26, 2015.

  1. AzVapr

    AzVapr New Member

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    I have a Lunar Mech Mod using an IMR 18650 battery. I bought a Plume Veil RDA to drip, and recently ran out of kanthal. I want to buy 26 gauge kanthal and do a six wrap coil on each side, but wanted to see what works best for my build and whether i'd be better off with 28 gauge or doing a different coil style. Thoughts?
     
  2. Caboose

    Caboose Member For 2 Years

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    I just rebuilt my Plume Veil last night, tried a 30 gauge 3mm 3 wrap per side and didn't like it very much. Flavor was very muted and the vape was too hot. Re-built it with 26 gauge 3mm 7 wraps per side and I'm liking it much more, flavor and vapor production is really good and its a nice cool vape. I've got my coils very close to the airflow holes and about level with the top of the build deck. Be careful with how high you raise the coils as I burnt the delrin a bit on my first build.

    Oh with the 26 gauge 7 wrap I'm running it at 30watts.
     
  3. AzVapr

    AzVapr New Member

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    I have been happy with the 26 gauge as well. Seeing as I have a Mech Mod which is unregulated, how do I tell what wattage its running at? is that something I should be concerned about? the wattage has to do with how much powers going in to the coils and how fast it heats up right?
     
  4. richardward77

    richardward77 Silver Contributor Member For 2 Years

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    Azvapor I use a calculator app just put in volts fresh charged 18650 4.2 volts and coil ohms and it tells you amps and watts loads of apps out now.
     
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  5. AzVapr

    AzVapr New Member

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    So if I do a 8/7 26gauge rap on 4.2V thats safe? I should be aiming for .3 ohms
     
  6. BigNasty

    BigNasty Diamond Contributor Member For 3 Years ECF Refugee

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    umm might be cooler with a 8/7 measuring in about .55-.65.
     
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  7. richardward77

    richardward77 Silver Contributor Member For 2 Years

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    I do 7 wraps round a 2 mm screwdriver dual coil loads flavour and pretty decent clouds don't go lower than .5 ohm gets a bit too warm for me but a lot of people like warm vape. Do you have ohm reader.
     
  8. richardward77

    richardward77 Silver Contributor Member For 2 Years

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    I use 28 gauge kanthal do a dual 7 wrap and that will b .3 ohm with 26 gauge.
     
  9. AzVapr

    AzVapr New Member

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    I do not have an ohm reader, I rap on 2.6mm why shouldn't I go lower than .5ohm?
     
  10. richardward77

    richardward77 Silver Contributor Member For 2 Years

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    What batteries do you use if you go lower than .5 ohm make sure you got good high drain battery and get yourself a ohm reader check your ohms and check for shorts and also get some knowledge on ohms law drawing to many amps out of your battery could end in disaster.
     
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  11. richardward77

    richardward77 Silver Contributor Member For 2 Years

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    Nothing wrong with going lower than .5 ohm if you got good battery I just don't like I said bit too warm for me.
     
  12. AzVapr

    AzVapr New Member

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    I use an IMR 18650 2200mAh (8.1Wh) rated at 20A, and an Efest IMR 18650 high drain rated at 20A as well.
     
  13. Caboose

    Caboose Member For 2 Years

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    I'm using sammy 25r's and mine is at .5ohms. And absolutely you should have an ohm reader especially since your building on a mech mod.
     
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  14. Mr. Pink

    Mr. Pink New Member

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    i prefer 24 awg with my mech mods, imo, you can get a better amount of surface area and a better vape than 26awg at the same ohm resistance
     
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  15. scarecrowjenkins

    scarecrowjenkins Silver Contributor Member For 2 Years Unlisted Vendor

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    THIS...you should without a doubt be using an ohm reader. You don't wanna play guessing games with resistance, at the very least use something like steam engine to work it out :p
     
  16. AzVapr

    AzVapr New Member

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    good to know ill order one. I found steam engine recently and its been very helpful. I just ordered some 26 gauge so Im going to use that for now, although I've been looking into dual and quad builds and not many people use 26. what do your coil and wick lifespans look like? i feel like im replacing both too often
     
  17. montijo505

    montijo505 Bronze Contributor

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    Get an ohm reader if you like the current shape and form of your face. It's also not a bad idea if you have a B&M nearby that will sell kanthal by the foot so you can try different builds out. 28 gauge is usually a hot vape on low ohm builds because it has more resistance. My preferred is 24 gauge macro coils, about a 3 or 3.4 mm screwdriver to wrap around. When you build low, you need a lot of wick to keep your coils wet or you will start getting dry hits pretty fast and your cotton will get scorched and taste nasty. Make sure the batteries you are using are authentic and at least 20A. With a 20A battery you can safely vape at around .25. If you wanna vape lower than that make SURE you get authentic Sony VTC4's as they are the only Battery still available rated at 30A. Do some reading on ohms law, it's a bit confusing but get the basic formulas down to memory at least, that way you know how many watts you're getting with you're current build. The most basic formula to make sure you're vaping safely for your battery is Voltage(4.2 on most freshly charged batteries) divided by Resistance(ohms) = Amps. V/R=A. For example I have a mech with a VTC4. I have a 24G dual coil 5 wrap around a 3.0mm screwdriver. Ohm reader says .27ohms. So 4.2/.27=15.55A I'm very well within that batteries limit. If I want to know how many watts it's vaping at just multiply your Amps times your volts and you get your answer. AxV=W so my current build(.27) is vaping at 65.3Watts. It gets really easy once you figure out ohms law, to guess at a coils resistance I just use steam engine


    Sent from my iPhone using Tapatalk
     
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  18. AzVapr

    AzVapr New Member

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    thanks, I live in Phoenix AZ so I dont know any other reputable vape-safe kanthal suppliers. Do I get a difference in cloud density/taste as I adjust the Ohm? Im a fan of space jam juice so I enjoy a full flavor.
     
  19. montijo505

    montijo505 Bronze Contributor

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    Yeah that depends on personal preference. Play with a few different things. I've come to enjoy custard type juices at lower builds, about .18-.25 it gives a more dense hot flavorful vape. Frutier type juices are better to me at higher builds between .5-.8 they give a more crisp distinct vape. Of course taste is subjective and everybody has different preferences.
     
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  20. AzVapr

    AzVapr New Member

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    interesting, I'll play around with it. Any other precautions or tips for me? oh and I just ordered a USA Ohm Meter
     
  21. richardward77

    richardward77 Silver Contributor Member For 2 Years

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    Charge your battery as soon as you notice drop off in power if possible they will last longer an just be as safe as possible happy vaping.
     
  22. ConcreteBob

    ConcreteBob Bronze Contributor

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    I wrap with everything from 28ga to 20ga. It really depends on what you are trying to get out of the build. More flavor, smaller wire and higher resistance. More clouds, larger wire and lower resistance. 26ga dual coils with 6 wraps on a 2.5 mm mandrel will give you a good balance of both. More towards the flavor end, maybe. But if you have an ohm meter, use it. If you don't, use steam engine or something like it to get a decent estimation of the resistance of your builds, and make sure your mod and battery can safely handle it.
     
  23. kross8

    kross8 Silver Contributor Member For 1 Year

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    Montijo505

    i love your posts and i am 'bumping it up',, i think it should be a cheat sheet that all newbies (dry wicks like myself) should read and understand early on,, like in first few days and immediately if they decide to touch an atty. i reformatted your words,, its a thing i do to force myself to absorb the words exactly as intended. (if that makes sense)-- i wish i had read this months ago,, i know this stuff now,, but it was via 'bits and pieces' form of education.--thanks


    montijo505
    Bronze Contributor

    Get an ohm reader if you like the current shape and form of your face. It's also not a bad idea if you have a B&M nearby that will sell kanthal by the foot so you can try different builds out.

    28 gauge is usually a hot vape on low ohm builds because it has more resistance.
    My preferred is 24 gauge macro coils, about a 3 or 3.4 mm screwdriver to wrap around.

    When you build low, you need a lot of wick to keep your coils wet or you will start getting dry hits pretty fast and your cotton will get scorched and taste nasty.

    Make sure the batteries you are using are authentic and at least 20A. With a 20A battery you can safely vape at around .25. If you wanna vape lower than that make SURE you get authentic Sony VTC4's as they are the only Battery still available rated at 30A.

    Do some reading on ohms law, it's a bit confusing but get the basic formulas down to memory at least, that way you know how many watts you're getting with you're current build.

    The most basic formula to make sure you're vaping safely for your battery is Voltage(4.2 on most freshly charged batteries) divided by Resistance(ohms) = Amps. V/R=A.

    For example I have a mech with a VTC4. I have a 24G dual coil 5 wrap around a 3.0mm screwdriver. Ohm reader says .27ohms. So 4.2/.27=15.55A I'm very well within that batteries limit.

    If I want to know how many watts it's vaping at just multiply your Amps times your volts and you get your answer. AxV=W so my current build(.27) is vaping at 65.3Watts.

    It gets really easy once you figure out ohms law, to guess at a coils resistance I just use steam engine[​IMG]

    Play with a few different things. I've come to enjoy custard type juices at lower builds, about .18-.25 it gives a more dense hot flavorful vape.

    Frutier type juices are better to me at higher builds between .5-.8 they give a more crisp distinct vape
    . Of course taste is subjective and everybody has different preferences.
     
    Last edited: Apr 30, 2016

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