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casualuser

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Yes I got it! So the first wire must be the no resistance wire and we will be wrapping the resistance wire around that - So even though the electricity would like to travel through the no-resistance wire it is forced to take the path of the resistance wire which is wrapped around it hence limiting the current.

This would seem impossible to do without having a resistance ohm meter.


Casualuser,

Think of it this way. electricity always takes the path of least resistance, so the electricity travels through nickle wire until it has to travel through the higher resistance nichrome or kanthal. The electricity only starts flowing through right at the end of where the wires are twisted together. It then travels through the resistance wire only to the point till it hits the other no resistance wire and jumps back to that. What that means is that you are only getting resistance from the section of resistance wire that is between the connections points to the no resistance wires.

I hope this helps. If you are still confused, I will try to explain differently.
 

inquisitorj

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You will need an ohm meter, unless you want to measure the distance between the connection points and calculate the resistance. The multimeter will be WAY easier and more accurate.

One of the cheap $5 to $10 multimeters from ebay or your local hardware store should be fine, just check the internal resistance of the meter before measuring the resistance of the wire. Just like Imeo always does in his videos.
 

K24A3

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Iatty has wick and wire and cant get clogged K2. But when you say "clogged", maybe you mean something different than me?

When I say clogged, I mean the coil gets carbonized resulting in a big drop in vaping performance.
I'm not referring to when the coil simply gathers too much juice.

Cartomizers tend to develop a ball of carbonization (a hard black ball of burnt juice) on the coil if dark juice is used. It is very difficult to remove the black carbonization and often results in the disposal of the carto.
 

casualuser

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inquisitorj One more question on what you said below...

Why does the electricity start flowing at the end of where the wires are twisted? Obviously the current is flowing through the Nickchrome wire and the resistance wire is the only part thats wrapped around the wick limiting the wattage that vaporizes the e-liquid. Is that correct?

Casualuser,

Think of it this way. electricity always takes the path of least resistance, so the electricity travels through nickle wire until it has to travel through the higher resistance nichrome or kanthal. The electricity only starts flowing through right at the end of where the wires are twisted together. It then travels through the resistance wire only to the point till it hits the other no resistance wire and jumps back to that. What that means is that you are only getting resistance from the section of resistance wire that is between the connections points to the no resistance wires.

I hope this helps. If you are still confused, I will try to explain differently.
 

inquisitorj

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I know that I am a horrible artist, but I hope this illustration helps.

resistancewire.jpg


This just gets your total resistance.

The reason for wrapping the resistance wire into a coil is so that it concentrates the area where the heat is located. Just like an electric stove, the heating element is wrapped into that specific area for easier use. A long thin hot piece of metal is much less effective than all the element wound, but not touching, into 1 specific area.

This is why the resistance wire is wrapped around the wick so that the ejuice is delivered to that concentrated area inside the ceramic bowl.

I hope I made it clearer and didn't confuse you more. :)
 

casualuser

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this makes perfect sense thank you for taking the time to draw a diagram!

I think I want one now...


I know that I am a horrible artist, but I hope this illustration helps.

resistancewire.jpg


This just gets your total resistance.

The reason for wrapping the resistance wire into a coil is so that it concentrates the area where the heat is located. Just like an electric stove, the heating element is wrapped into that specific area for easier use. A long thin hot piece of metal is much less effective than all the element wound, but not touching, into 1 specific area.

This is why the resistance wire is wrapped around the wick so that the ejuice is delivered to that concentrated area inside the ceramic bowl.

I hope I made it clearer and didn't confuse you more. :)
 

lee72

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As long as you have a multimeter and check your coil before you finish winding it all it should be very simple. You could measure the resistance just by working out the resistance per inch, a multimeter's easier. But as Imeo says after doing a few you'll get to know what sort of resistance you are making. I don't think anyone should be put off by not understanding everything there is to know about resistance and ohms, voltage, etc, etc. The iAtty looks to me, very easy to use and as they say practice makes perfect! I will be buying with confidence.
 

lee72

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Most used kanthal sizes in USA size 32swg and 34 swg and the resistance is known so you could measure and virtually gursstimate the ohms but it wouldnt be as accurate as a multimeter

This is what I was suggesting. If you know the exact resistance per meter, foot, whatever you can work out how much wire you need to get a certain resistance. But as you say it's much more accurate with a multimeter.
 

inquisitorj

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If you know the ohms per inch of the resistance wire, you can measure the length between the no resistance wire and multiply the length by the ohms per inch. Here is an example (these numbers are made up). If the resistance wire is 5 ohms per inch and you have half an inch between the no resistance wires you would multiply 5 ohms/inch by .5 inch would equal 2.5 ohms.

It will be WORLDS easier to just buy a cheap multimeter.
 

Daz 7401

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Feb 28, 2010
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Hi Imeo,
I watched the videos for the Iatty earlier and must say, very nice work my friend. I have a repairable atty and have been trying to work out what you would do differently, I failed. Using the cup from a R5 and the way you make the coil is very very clever and a tank as well! In the 18 months since I got my first GG they just keep getting better who knows where GG's will be in another 18 months. I'm looking forward to finding out.

Daz
 

bg2509

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Apr 25, 2010
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I saw the Video, I read the posts here, and...I need it. Imeo, you are the best. I read a lot in the german forums about the A1 or A2 (sorry, but I don't know other "self-wicking-devices", because others are not popular here), I read about the problems, some users have, and I thougt, this kind of atty is to difficult, users can make too much mistakes. But I knew, that you will find an easier way. Only great your Iatty. I hope, I will get one.
 

atavanhalen

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Could someone please provide a list of suppliers for what could be considered consumable parts for the Iatty:

Wick
Kenthal D
Nichrome
Nickel Wire
CE2's for replacement ceramic's
Also SS mesh if you don't mind

Thanks

wickstore.com for wick,
I buy my kanthal from ebay
nichrome also from ebay
nickel wire I think imeo posted a link to where he got his a few pages back
Lots of people sell ce2s, one that comes to mind is madvapes.com
I bought my ss mesh from ebay as well lol but others may have a better place.
 
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