Need help on building 2 coils that add up to higher ohms???

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Spooky Mulder

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Aug 12, 2014
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Dayton, OH
Hi,
I'm a newbie when it comes to building. I've just started on rda's a few days ago. I've only built a couple single micro coils so far.
I've got an IGO-W and a Stillare Clone. Both have 3 posts. I'm using an iTaste MVP 2 so I can only go to 11 watts max. I have 28g and 30g kanthal to work with.

I'd like to do a build something like having two 1 ohm coils so it adds to 2 total ohms?
I'm confused about how to do a 2 micro coil build so the ohms add up instead of it halving the ohms?
Sorry but I'm new and I'm not sure of the names/terms or what kind of build that is?
Can anyone post some pics or videos to help me out so I know how to build it?

Thanks for any help :)
 

Wickedgt

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Jul 8, 2014
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If you want a 2.0 ohm dual coil build, then build two of these:

32 gage kanthal, 2.5mm drill bit,10 wraps = 4 ohms x two (in parallel) = 2 ohms total resistance.

Coil Toy - Online calculator for e-cigarette resistance coil building

Wraps: 10
Resistance 4.01 Ω
Coil length 2.3 mm
Coil volume 11.29 mm3
Wire length 88.7 mm
Wire mass 20.3 mg
Heat capacity 10 mJ/K-1
 

Spooky Mulder

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Aug 12, 2014
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Dayton, OH
Ok, I think I may have worded that wrong. I know it halves the resistance when you use 2 coils. But I thought there was a way to get the resistance to add up instead of halving it. Idk maybe I'm confusing myself. I'm not familiar with the terminology yet. Like I said I'm just starting to build and learn. I've only done a basic micro coil at 1.5 ohms. I can't run low ohms on the MVP 2. So I need to stick in the 1.5 to 2 ohm range. I do also have a IGO-L that only has 2 posts but I prefer to use the IGO-W or Stillare Clone.
 

edyle

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Oct 23, 2013
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Ok, I think I may have worded that wrong. I know it halves the resistance when you use 2 coils. But I thought there was a way to get the resistance to add up instead of halving it. Idk maybe I'm confusing myself. I'm not familiar with the terminology yet. Like I said I'm just starting to build and learn. I've only done a basic micro coil at 1.5 ohms. I can't run low ohms on the MVP 2. So I need to stick in the 1.5 to 2 ohm range. I do also have a IGO-L that only has 2 posts but I prefer to use the IGO-W or Stillare Clone.

1 coil of 10 wraps at 1 ohm is the same as 10 coils of 1 wrap at 0.1 ohm per wrap in series.

To add more ohms you add more wraps.
 

Nuggit

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Aug 3, 2014
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Third rock from the sun
Spooky, sorry there's always geeks around that forget there are normal folks around that don't always understand some of the things that some of us take for granted. That out of the way......
The answer your looking for is two coils in SERIES. That's one hooked up to the other end to end. That config doubles, instead of halfs it. Just like with batteries. 2volts or ohms turns to 4. Parallel is the oposite. When all of one side positive/negative, or two coils with all the same sides hooked together. That's generally what is built. ( don't the rest of you blast me for keeping the #'s simple, thanks)
The problem with series coils besides room, is that the wire for coils is resistive, so it's not just the coils that count. It's difficult to get truly separate coils end to end. It can be done, crimping non-resistive wire between them.
I want to do the same thing, It's just gonna be a bi☆♣ch.
 
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