RDA Nickel coil build on a velocity rda

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sonicbomb

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puffon

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  • Sep 18, 2014
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    It depends on your TC device.
    My DNA40 only goes down to about .1ohm
    For me to use 24ga, according to Steam Engine:
    I would need 16 wraps on 3mm, .1ohm single coil
    Dual coil would need 33 wraps for each coil
    I use 28ga tempered or 30 twisted, which fits into most attys......
    Coil wrapping | Steam Engine | free vaping calculators
     

    Highwayman1224

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    Can you post a picture of your coil? Been thinking about trying a single coil in my velocity.
    Like puffon said, it depends on your TC device. My rDNA40's would require the coil to be too large. Even if they could fit, 40 watts isn't enough to push a large 24g coil.

    My standard Ni build on the Velocity is a single spaced 26g 12wrap 2.5mm ID, which comes in right at .1Ω. Vapes great at 40watts/460F.
     

    RandyF

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    Can you post a picture of your coil? Been thinking about trying a single coil in my velocity.
    IMG_20150705_222540446.jpg
     

    RandyF

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    Hmmmmm, interesting.... Figured It would've been a vertical coil between the posts. Do you plug one side off or does it work well with both sides open?
    It works well with both sides open, very likely it would work even better with one side blocked off though, have contemplated trying it. I am not a fan of the cross deck build since it requires longer than necessary legs and bends that you don't need with a standard build. My main rule with nickel is to keep is as simple as possible.
     

    RandyF

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    I need to reach a resistance of 0.1ohm with 24G nickel on a 3mm ID... how many wraps will I need ?
    16 wraps with a 3.0mm ID

    edit: as you can see from my pic above, 12 wraps spaced will go post to post nicely, 14 wraps and you will need to slightly compress the coils. Needing 16 wraps like you do, it will need to be nearly compressed. Once you build it, compress it as much as you can, then get a 1mm flat head screw driver and work in the smallest bit of space you can manage between each wrap.
     
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    RandyF

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    Thanks bru, I'll give this a try. And if do a dual build then each coil should be 16 wraps right?
    Disregard, yes, 16 wraps each. It sounds like you are running a DNA40 board since you want to be at .1Ω. If so, you will need more than 40 watts to push 32 wraps of 24g.
     
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    OhmzRaw

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    Disregard, yes, 16 wraps each. It sounds like you are running a DNA40 board since you want to be at .1Ω. If so, you will need more than 40 watts to push 32 wraps of 24g.
    I did the build with the 24AWG ni200 and spot on resistance 0.09ohm but the wrap count is too high since it tends to stick out of the RDA.
    How did you calculate the amount of wraps I'll need and the resistance I'll get so accurately? I would like to use your technique when building.
     

    RandyF

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    I did the build with the 24AWG ni200 and spot on resistance 0.09ohm but the wrap count is too high since it tends to stick out of the RDA.
    How did you calculate the amount of wraps I'll need and the resistance I'll get so accurately? I would like to use your technique when building.
    Steam Engine as stated above, should always get you right where you should be.
     
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