need some feedback want to start building

Discussion in 'New Builders Corner' started by amateur vaper, Nov 30, 2017.

  1. amateur vaper

    amateur vaper Bronze Contributor

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    So as the title says i want to start building but im not sure the cart I've put together is a good setup for building on an rda i havent bought it yet because im not sure if i should make some changes im trying to make a dual build .150ohms-.3ohms and i could use some info on if what I picked out from the website could use any tweaking or if what I have is good for that kind of build I added a picture to show what I'd be working with building set up.png
     
  2. amateur vaper

    amateur vaper Bronze Contributor

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    realized after looking around builders corner a bit more i should have put this in the new builders section but cant move it now
     
  3. amateur vaper

    amateur vaper Bronze Contributor

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    i figured the 316 24 gauge 3.7ohm/m would be just what im looking for because im looking to build about 2 inch coils and 1/10 a meter is about 4inches 2.5cm per inch which means that in those 4 inches theres roughly overall .37ohms of resistance so if i made a 2inch coil id have roundabout .15 ohms of resistance on each coil idk if that doubles since I'd be going for a dual build and i feel like it likely would but im not sure so then in that case id have to go even smaller down to 1 inch of wire rounded into a coil per coil which im sure i could make happen whenever i start
     
  4. KingPin!

    KingPin! Senior Moderator Staff Member Senior Moderator Gold Contributor

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    Moved for you :)
     
  5. KingPin!

    KingPin! Senior Moderator Staff Member Senior Moderator Gold Contributor

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  6. gbalkam

    gbalkam Silver Contributor Member For 1 Year ECF Refugee

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    First thing, as a new builder you shouldnt be using stainless steel. For several reasons:
    1 it is more expensive - so waste costs more
    2 resistance is much lower than kanthal or Nichrome. So you have to use a lot more wraps.
    3 it takes more time to heat under current load. SS is good for clapton wraps since it conducts heat quite well, but not so great as a core wire (unless you use 28ga or higher)
    4 SS oxidizes faster than NiCr or Kanthal so you have to replace them more often
    5 SS requires heavier coils (more wraps) so take more power to heat meaning shorter charge time on your batteries and thereby also shorter battery life as you have to recharge more often.

    ALWAYS use top quality, first run, brandname high discharge batteries. Samsung, Sony, LG. House brands like surefire are rewrapped factory 2nds that have FAILED manufacturer Quality tests, but still ok for flashlights. Is it worth maybe blowing up a $100 mod to save $2 on batteries (or worse if you use a mechanical (see youtube videos re exploding mods)

    Remember, with dual coils you divide resistance by 2. IE.. 0.5 ohm + 0.5 ohm = 0.25 ohm total.
    So 24ga SS dual coil on a 3.0mm id core requires 10 wraps per coil and between 100 and 160w to power. (according to how warm you like your vape)
    See: http://www.steam-engine.org/coil.html?mat=ss316l&s=dp&r=0.25&hf=360&awg=24&id=3

    I would suggest 24 to 26ga kanthal or nichrome to start and some 32ga SS wire to wrap claptons, when you feel comfortable. 32ga is easier to handle.

    I also HIGHLY suggest that you check that your atomizer has PEEK insulators not rubber. Rubber breaks down quickly with heat, PEED doesn't. A damaged insulator can cause shorts. Regulated mods will not fire.. Mechanical mods go directly into hard short, battery thermal run, venting and can explode. Its better to spend a few extra $$ on either authentic or a clone with PEEK insulators. What you have there looks, from the image, like a Tsunami clone. I only paid $20 for my authentic.

    https://www.fasttech.com/p/8014108 would be an easy, inexpensive option, if you aren't ready to build clapton wires. (also if you are lazy, like me.. lol)
    3m = roughly 20 coils.(or more)
     

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