LF good 26g single & dual coil builds for a single 18650 mech.

Discussion in 'Coil Building' started by Mykreign, Sep 1, 2017.

  1. Mykreign

    Mykreign Silver Contributor Member For 1 Year

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    I wanna keep my ohms around .2. I just tried a single 26g parallel, 4 wrap, 3mm, .22 ohms. So I got the ohms where I wanted but it ramps up so fast, I'm assuming it's gonna burn.


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  2. Mykreign

    Mykreign Silver Contributor Member For 1 Year

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    Yup it burned lol. Yuck


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  3. ScReWbALL

    ScReWbALL New Member

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    Throw a few more wraps into the build to slow ramp up time. If it puts the ohms out of the range you are shooting for try wrapping around the 2.4mm screwdriver rather than the 3mm. You can also build using 3 strands in parallel rather than just 2 and adjust wrap amounts to hit your ohm range and ramp up time. When I switched to tube mechs I exclusively built 3-strand parallels with 26ga Nichrome 80 or SS316L and did 7 wraps around a 2.4mm screwdriver to wrap around and they worked great as long as you've got plenty of airflow with the rda you're using.
    [​IMG]


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  4. Mykreign

    Mykreign Silver Contributor Member For 1 Year

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    Thank you! I'm going to try 3 strands and guess at wraps and see what happens lol


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  5. Mykreign

    Mykreign Silver Contributor Member For 1 Year

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    Came out too low at .15.
    3rd times the charm?


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  6. ScReWbALL

    ScReWbALL New Member

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    Three-strand rather than two is going to drop your ohms probably more than you can make up with extra wraps, lol, was just saying that's a Build I used for a good long while. Using 2 strands and adding the wraps will increase the ramp up but also bump your ohms up, but take those same two strands and the same amount of wraps but stepping down to the 2.4mm to wrap around rather than the 3mm should compensate and ohm out closer to what you're wanting. What's the vg/pg ratio of the liquid you're using? Sounds like it's burning a bit easy...might want to see about getting a juice with higher VG to keep any burning from happening.


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  7. Mykreign

    Mykreign Silver Contributor Member For 1 Year

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    I use 80vg/20pg.


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  8. Mykreign

    Mykreign Silver Contributor Member For 1 Year

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    I give up. I'll try again tomorrow. I've used up so much wire.


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  9. ScReWbALL

    ScReWbALL New Member

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    .2 ohm with an 80/20 ratio shouldn't be burning up...that's odd. I use 70/30 mainly and never had it burn up. What is the setup you're using (mod and atty)...because the only thing I can think of would be not enough airflow or you aren't using enough cotton to wick. Are you getting a lot of popping when you fire it up?


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  10. Mykreign

    Mykreign Silver Contributor Member For 1 Year

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    I've been running .2 ohm coils for years with no problem but with a single parallel coil using 26g, it ramps up instantly at 80 watts. Running it in a pulse 22. Air flow was closed half way.

    I was running it at 80 watts on my drag because that's where it'll fire on a fully charged mech.

    No popping at all.


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  11. Mykreign

    Mykreign Silver Contributor Member For 1 Year

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    Oh shit, face palm lol. I've been using 24g, not 26g


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  12. ScReWbALL

    ScReWbALL New Member

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    24g Nichrome 80 was what I used when I burned through all of my 26ga, lol...regular old 2-strand parallel, 8 wraps around a 2.4mm...excellent vape as well [​IMG]


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  13. Mykreign

    Mykreign Silver Contributor Member For 1 Year

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    What ohms is that?


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  14. ScReWbALL

    ScReWbALL New Member

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    Hell if I recall...whenever I know what I'm building is safe I don't bother throwing it on a reader anymore and I've only used tube mechs for those builds, so, no display to read.


    You're not drinking water are you?! You realize that stuff is found in antifreeze!?!
     
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  15. Mykreign

    Mykreign Silver Contributor Member For 1 Year

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    I'm guessing .2 because that's what mine is as a single 4 wrap.

    I threw that build back in there. Gonna leave the air flow wide open and break in the cotton a little slower.


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  16. Mykreign

    Mykreign Silver Contributor Member For 1 Year

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    Tried this build again and it started burning at 50 watts. Air flow wide open. I have to inhale fast to get enough air to the coils so they don't burn the cotton.



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  17. ScReWbALL

    ScReWbALL New Member

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    Is juice making it to the cotton in the center of the coil? Sometimes if the wicking is too tight in there the cotton looks like it's wicking just fine on the outside, but inside the cotton is dry as a bone and it causes it to burn even though the cotton outside of the coil looks wet.


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  18. Mykreign

    Mykreign Silver Contributor Member For 1 Year

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    I'll wick it a little looser


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  19. Mykreign

    Mykreign Silver Contributor Member For 1 Year

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    Still burning
    [​IMG]


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  20. ScReWbALL

    ScReWbALL New Member

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    I'd be grasping at straws at guessing what else it could be. I don't have any experience with postless build decks, so, I don't know if they are prone to any issues that effect regular build decks.
    Loose post screws can cause a short that creates a hot spot on the coil that will burn anything it touches practically immediately.

    Also, once some cotton or juice is burned in an RDA (especially ones with Kennedy style airflow channels) that taste can cling to the inside and hang around until a thorough cleaning is done involving warm soap and water or an alcohol soak.

    If coils are placed too close to either the deck posts or the inner wall of the rda it can cause a short that will burn anything immediately and you're stuck with the burnt taste until cleaning (if it's touching the inside of the rda wall it can be tricky to catch since the event won't occur unless the cap is on and therefore you can't see the issue in action like you can if the coil is touching a post).

    Or it could be something like a simple change in wire type might fix...I started off as most of us probably did, with Kanthal wire and was fine with using it, but after trying Nichrome 80 and SS316L I can't go back to Kanthal...After a while I could taste a dirty metallic "iron-like" flavor and can tell what metal is being used after a single hit where I used to not really be able to tell a difference.

    If it's a different brand of wire it's possible it's not as good quality as what you've used before, or if it's a brand you have used but it's a new spool it could be a bad batch.
    All "grasping at straws" ideas that more than likely aren't the culprit. Try out the build on another RDA and mod and maybe you can use a process of elimination to see if maybe the problem is with one of the pieces of hardware you're using.


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  21. Mykreign

    Mykreign Silver Contributor Member For 1 Year

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    I think I got it. 24g 3 strand parallel, 3mm, 6 wrap, .2ohms.

    Time to throw it on a mech!
    [​IMG]


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  22. greasegizzard

    greasegizzard Silver Contributor Member For 1 Year

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    I should have gotten the 22 instead of the 24...

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  23. ScReWbALL

    ScReWbALL New Member

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    Which mech?


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  24. Mykreign

    Mykreign Silver Contributor Member For 1 Year

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    [​IMG]



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  25. ScReWbALL

    ScReWbALL New Member

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    Stingray, eh? Never had one myself...why should you have gotten the 22 instead? The rda market has shifted almost entirely to 24mm as opposed to the 22mm.


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  26. Mykreign

    Mykreign Silver Contributor Member For 1 Year

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    I've had my eye on this stingray for over a year and was finally able to get one. I just love the way it looks. I agree finding a good 22mm rda has been a pain in the ass.


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  27. ScReWbALL

    ScReWbALL New Member

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    How do you like it so far? Is it your first tube mech?


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  28. Mykreign

    Mykreign Silver Contributor Member For 1 Year

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    It's not my first. I really like it. I like how it's smaller than most and have always admired the design. It's very well machined.

    My only con is the switch. It has a tiny throw. Maybe a couple millimeters. Also the switch is very touchy. If you set it down without locking it, it's going to fire. That could be due to an old spring though.


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  29. Mykreign

    Mykreign Silver Contributor Member For 1 Year

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    I like how you said that and your avatar is a face palm lol.

    Just get both. I prly will eventually.


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  30. ScReWbALL

    ScReWbALL New Member

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    Is there enough room in the button assembly to switch out the spring for a set of magnets?


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  31. Mykreign

    Mykreign Silver Contributor Member For 1 Year

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    I haven't taken the switch apart yet. Today's the first day I've got to play with it. But man I hope so!


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  32. ScReWbALL

    ScReWbALL New Member

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    How's that 24ga 3-strand parallel working in it?


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  33. Mykreign

    Mykreign Silver Contributor Member For 1 Year

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    Pretty good. Will prly be my go to coil for single decks. .2 ohms exactly and zero ramp up time. Been taking long drawls and no burning. Thanks man. I would've never tried a 3 strand if you hadn't mentioned it.


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  34. CactusFanaticus

    CactusFanaticus Bronze Contributor

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    Hope it works out for you, just started messing with single coils myself.
    I've found if I build the same ohm that I vape on dual coils (.16-.2) in a single coil it's way too hot for my liking. What I do is just use one of the same coils I use in dual coil attys and it vapes great at half the ohms of a dual.
     
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  35. Mykreign

    Mykreign Silver Contributor Member For 1 Year

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    This vape isn't hot at all. Obviously depends on the rda but I got the air flow wide open. I'll have to play with that some.

    I can't cut my ohms in half on a mech. I need that power and throat hit!

    Might look into some premade claptons soon.


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  36. ScReWbALL

    ScReWbALL New Member

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    Premade claptons?
    [​IMG]
    Grab a drill and get you some 32ga wire and start out with 24ga core with 32ga for the wrap...it's really not all that difficult to do yourself. When you get a decent technique you can go to 26ga cores and 36ga for the wrap. Once you can get that down pat you can make pretty much everything and it's fun as hell to tweak things to make it your own. Except for anything involving ribbon wire or any coils with the word "staggered" in it...builds involving those are the bane of my existence and the reason for a drill-shaped hole in my wall, not to mention the chunk of skin still missing from my finger...but aside from that, building your own is so much more fulfilling :)


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  37. jEoHKT

    jEoHKT New Member

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    I've tried all those pre-made fancy exotic wires, went as low as .11 build, and find myself going back to the simple spaced round wire coil. Gives awesome flavor, nice cool vape and decent clouds to be honest.

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  38. Mykreign

    Mykreign Silver Contributor Member For 1 Year

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    I wanted to build my own a long time ago but could never find the time. Maybe I'll give it a shot. Can you make a single clapton at .2 ohms? Would the ramp up be horrible?


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  39. ScReWbALL

    ScReWbALL New Member

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    That's the joy of building your own...you can definitely make claptons that will ohm out to whatever you wish and you can also make changes that will make the ramp up slower or faster. As to what Build will come out right at .2, I'm not sure because I shoot for .08-.12 with dual coils, but you can play around with it and see what you get...if the ramp up on a single .2 clapton seems sluggish, then I'd suggest using Nichrome 80 and if it's still a bit slow for your taste, go with Stainless (SS316L). You can use different gauge cores and clapton wire to change the ohms along with how many wraps you use, what size screwdriver you wrap around, and choose between spaced or contact Coils. You also aren't stuck with using just one metal in a coil...I used to use 26ga SS316L cores and wrap them with 36ga Nichrome 80 Alien Coils (6 wraps around a 3mm contact Coils) to lessen my ramp up time compared to using only Nichrome 80...but also found I get the same desired effect with using 26ga Nichrome 80 and 36ga Nichrome 80 spaced Coils 5 wraps around a 3mm. Just gotta make sure you use good wire...I'd steer clear of K Bee and Lightning Vape Wire...my preferred wire is from Temco Industrial but there is also Coil Society and Master of Clouds that make good quality wire as well.


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