Need help on # of wraps and gauge

Discussion in 'New Members Forum' started by Striknine, Apr 26, 2014.

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  1. Striknine

    Striknine New Member

    Joined:
    Apr 6, 2014
    Location:
    Maryland
    Just purchased an Igo-T and would like to try out dripping in lieu of using a tank. How many wraps and what gauge does everyone recommend for a single or double coil build?
    I have been using a kayfun for the last month with 12 wraps of 28ga. on 5/64" bit and that seems to be working fine for now.
    Just looking for some good direction to start dripping and a good coil to start with. BTW I'm using cotton as a wick material. Thanks
     
  2. Cman1337

    Cman1337 Full Member

    Joined:
    Apr 21, 2014
    Location:
    Portland, OR
    I use a SS Quasar by Cosmic innovations with 6 wraps of 24 guage wire. Comes out to 0.190 ohms. I honestly never drip mine unless I test it with a reader. But I think 28 gauge wire with 8-10 wraps would be great for dual coil. I do know on one of the sits it claims "The manufacturer recommends that you do not exceed 7.5 amps with this device."
     
  3. CplMajor

    CplMajor Full Member Verified Member

    Joined:
    Mar 14, 2014
    Location:
    Louisville, Ky
    Dual coil - 28g Kanthal at 7-10 wraps should land you between 1.4-1.9 if you have ~1.5mm inner diameter.
     
  4. BigCatDaddy

    BigCatDaddy Ultra Member Verified Member ECF Veteran

    Joined:
    Sep 29, 2013
    Location:
    Near Austin, Texas
    Hop over to youtube and watch some of Riptrippers vids. He's built in about everything with bunches of coil configs.
     
  5. chefjoosie

    chefjoosie Senior Member ECF Veteran

    Joined:
    Dec 7, 2013
    Location:
    Cincinnati, OH, USA
    If you find a single coil you like with 28 gauge, you can wrap 2 the same way with 32 gauge and get pretty close to the same resistance.
     
  6. hugecool

    hugecool Full Member

    Joined:
    Mar 19, 2014
    Location:
    NY
    I have a dual coil and wrap 6 wraps with 28kanthal, it registers around .6ohms which vapes nicely. not too hot but mucho vapor
     
  7. p7willm

    p7willm Super Member Verified Member ECF Veteran

    Joined:
    Apr 11, 2014
    Location:
    Lansdale, PA, USA
    One thing you MUST do is check the resistance of any coil you make before you use it on a mechanical mod. Use an Ohm's law calculator and be sure the battery you are using is up to providing the amps the build will take.
     
  8. Sthur

    Sthur Vaping Master Verified Member ECF Veteran

    Joined:
    Aug 14, 2013
    Location:
    Denver
    I run a 5/64 bit with 28 guage and 5 wraps running dual coil at 0.5 ohms. It vapes great and around 8.5 amp on a 30 amp vtc4.
     
  9. Striknine

    Striknine New Member

    Joined:
    Apr 6, 2014
    Location:
    Maryland
    OK, I don't think I want to sub-ohm vape quite yet as I need to do more research on batteries. Don't have a 30 amp as of yet.
    As far as single coils go I am shooting for 1.8 ohms and have 28ga kanthal.
    I did find an app for the iPhone (iVape) that will come in hand. It's not a broad spectrum app but it does bring things into perspective a bit.
     
  10. DigitalVI

    DigitalVI Senior Member Verified Member ECF Veteran

    Joined:
    Oct 11, 2013
    Location:
    CORINTH TX
    Nine wraps on a piece of coat hanger wire (2mm) of 28 should get you very close to 1.8.
     
  11. Asbestos4004

    Asbestos4004 Ultra Member ECF Veteran

    Joined:
    Sep 11, 2013
    Location:
    Sugar Hill GA
    10 wraps of .28 on a 1/8" bit should be pretty close.
     
  12. Vwls

    Vwls Ultra Member Verified Member ECF Veteran

    Supporting member
    Joined:
    Jun 22, 2013
    Location:
    AZ
    WAT. Don't go that low. It's not needed and there are a laundry list of reasons not to including battery safety, acrolein production, etc.

    Sounds like you're off to a great start with rebuildables.

    Here are some basic charts to help you:
    Kanthal A-1 Wire Specs: (Ohms Per Inch)
    •28 AWG- 0.439 Ohms/in, 0.0508 Diameter (in.)
    •30 AWG- 0.696 Ohms/in, 0.0100 Diameter (in.)
    •32 AWG- 1.091 Ohms/in, 0.0080 Diameter (in.)
    •33 AWG- 1.383 Ohms/in, 0.0071 Diameter (in.)
    •34 AWG- 1.758 Ohms/in, 0.0063 Diameter (in.)

    And here are coils people have reported they like to wrap:

    28 Gauge

    28g Kanthal
    Coil size (what you wrap it on):toothpick
    Number of wraps:10
    Measured Ohms of coil: 1.4

    28g Kanthal
    Coil size (what you wrap it on): 1/16 drill bit
    Number of wraps:9
    Measured Ohms of coil: 1.4

    28g Kanthal A-1
    Coil size (what you wrap it on): 2mm diameter screwdriver
    Number of wraps: 9
    Measured Ohms of coil: 1.2 ohm

    28g Kanthal A-1
    Coil size (what you wrap it on): 2mm diameter screwdriver
    Number of wraps: 6
    Measured Ohms of coil: .9 ohm

    DUAL COIL: 28g Kanthal
    ID: 1/16"
    Number of wraps each: 8
    RES: 0.5Ω. . . (1Ω/ea)

    28g Kanthal A1
    size (ID): 1/16" drill bit
    Number of wraps: 12
    resistance: 2.1Ω

    28g Kanthal A-1
    Coil size (what you wrap it on):16 gauge needle
    Number of wraps: 7/8
    Measured Ohms of coil: ~1.0ohm

    28g kanthal
    Coil size (what you wrap it on): 1/16" drill bit
    Number of wraps: 11
    Measured Ohms of coil: 1.5 ohm

    28 awg Kanthal A1
    1/16 drill bit
    Number of wraps:10
    1.2Ω on rm2

    28 ga
    8 wraps
    1/16" drill bit
    1.0 ohm

    28 awg Kanthal A1
    Wraped on .0625" (1/16") music wire
    Number of wraps: 10
    1.2Ω

    28 AWG Kanthal A1
    1/16 drill bit
    Number of wraps: 5
    0.9Ω

    30 Gauge

    30 gauge Kanthal
    4 wraps on 1/16" drill bit
    1.02 ohms

    30 awg Kanthal A1
    Wrapped on .0625" (1/16") music wire
    Number of wraps: 12
    2.2Ω

    DUAL COIL: 30 awg Kanthal A1
    Wrapped on .047" music wire
    Number of wraps each: 16
    2.6Ω ea, total 1.3Ω

    30 ga Kanthal A1
    ~1/16 jeweler's screwdriver
    11 wraps
    1.82 ohms

    30g Kanthal
    Coil size (what you wrap it on): a heavy paperclip leg that's about equivalent to a 16g needle
    Number of wraps: 10
    1.8 ohms

    30 ga kanthal
    coil / size "ID" 1.96 mm "screw driver"
    Number of wraps: 7
    1.6 ohm

    30g Kanthal
    1/16 drill bit
    Number of wraps:9
    1.6 ohms

    30ga kanthal
    Coil size (what you wrap it on): Doubled-over 3mm silica
    Number of wraps: 4
    1 ohm

    30 ga Kanthal
    ~1/16 screwdriver
    11 wraps
    1.78 ohms

    30 AWG Kanthal A1
    1/16 drill bit
    13/14 wraps
    2.5Ω

    30g Kanthal
    Coil size (what you wrap it on): Supe's 17g needle
    Number of wraps: 10
    1.9 ohms

    32 Gauge

    32g Kanthal A-1
    wrapped on a tiny screwdriver, roughly the size of a 16 gauge needle
    Number of wraps: 17
    Measured Ohms of coil: ~3.0ohm

    32 awg twisted 2 stands
    Wrapped on 1mm Ekowool with .039" (1mm) music wire core
    8 wraps
    1.1Ω

    32g kanthal
    Coil size (what you wrap it on): 1/16" drill bit
    Number of wraps: 10
    2.4 ohm

    32g Kanthal
    wrapped on a paperclip leg
    Number of wraps: 14 or 15?
    3.8 ohms

    32 gauge twisted
    wrapped on a round wooden toothpick
    Number of wraps: 6
    1.4 ohms
     
  13. daviedog

    daviedog Super Member ECF Veteran

    Joined:
    Sep 2, 2013
    Location:
    Florida
    Get a DMM & check the ohms yourself. Don't rely on 'he said, she said'..
     
  14. bayclown510

    bayclown510 Full Member

    Joined:
    Apr 5, 2014
    Location:
    Hayward CA
    I'm running 6 wraps of 22 gauge around a 1/8th drill bit reads as .18 ohms
     
  15. Striknine

    Striknine New Member

    Joined:
    Apr 6, 2014
    Location:
    Maryland
    Wow, Great info guys! I'm new to this stuff. Been reading a lot of posts on this site. Thanks Vwls, that was perfect. Just what I as looking for. I'll get an Ohm meter here shortly, this stuff can add up quick if you don't know what is what. But that is part of the fun, learning as you go.
     
  16. epicdoom

    epicdoom Super Member ECF Veteran

    Joined:
    Apr 12, 2014
    Location:
    Maryland USA
    there is an excel program someone made on here do a search for it its fantastic and dead on the money for making coils calculates everything if I find the link I'll post it here
     
  17. Marc411

    Marc411 Ultra Member Verified Member ECF Veteran

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    Mar 17, 2014
    Location:
    Windy City
  18. epicdoom

    epicdoom Super Member ECF Veteran

    Joined:
    Apr 12, 2014
    Location:
    Maryland USA
  19. tnt56

    tnt56 Vaping Master Verified Member ECF Veteran

    Joined:
    Aug 30, 2012
    Location:
    Tripple digits half way to home
    While I agree Riptripper does do some fantastic builds. He never get into the safety portion on his videos. Just big clouds that impress everyone. I prefer 30 guage. Depending on how many wraps and the ID of the coil I can get just about anywhere from 0.5 - 2.0 ohms.
    I stopped trying to do sub ohms a while back for personal reasons.

    All those great big clouds people blow, while may be impressive to some. But it's a turn off to others.
    YMMV. :2c:



    And I don't ever remember seeing someone smoking a cigarette trying to make HUGE clouds.
     
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