Perfect coil spacing

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shwa311

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Jan 9, 2011
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Rochester, NY
I'm new to the world of rebuildable attys but it seemed clear to me that a screw thread would work perfect. I apologize if this has been shared before.

I picked up the RM2 rba to sit on top of my new reo grand.

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The coils are so easy to put together. This is 32 gage kanthal with a cotton wick. I've since moved to 30 gage with 7 wraps to get about 2 ohms in resistance. I start the wrap on a bolt (sorry I forget the thread size). Place the bolt with wire wrap into the leads on the RM2, position, unthread the bolt and wick with cotton. It doesn't take 2 minutes.

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super_X_drifter

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Your REO looks awesome. Congrats. I started out wrapping on machine screws too. It produced a mighty fine coil and vaped pretty good.

Then I found that by reducing the inside diameter of the coil and wrapping so the coils touched, it allowed more wraps and even with a higher resistance, it vaped with the warmth of a spaced / larger diameter coil build of roughly 1/2 the resistance. I called em micro coils cause they were small and where I grew up, we called all small stuff "micro" :)

Here's a couple of vids if your interested:

Micro coil basics:
http://youtu.be/OzKAz7gojEA


Micro coil construction:
http://youtu.be/_XjH8lFurPk

Micro coil fact sheet:
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Look forward to seeing you around fellow REOnaut :)
 

jp001

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May 27, 2014
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Lisbon, Portugal
I know that what super_X_drifter states is widely accepted as the proper method to wrap coils.

However, I had the chance to wrap a nano coil for a Protank with both touching and spaced coils and in my opinion the spaced coils produced more and better tasting vapor.
I would appreciate any comment on my reasoning: The spaced coils produce more vapor because there is space for the vapor to escape along the entire coil as opposed to the tight wrap where the vapor only comes out through the extremes of the coil.
This, on a Kayfun would also have an added benefit because the air hole is directly below the center of the coil.
Btw, my coils were both 32 gauge Kanthal at 1.2-1.4 Ohm using a cotton wick.

Thank you all for the great posts.
 
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SLIPPY_EEL

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Oct 11, 2013
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I know that what super_X_drifter states is widely accepted as the proper method to wrap coils.

However, I had the chance to wrap a nano coil for a Protank with both touching and spaced coils and in my opinion the spaced coils produced more and better tasting vapor.
I would appreciate any comment on my reasoning: The spaced coils produce more vapor because there is space for the vapor to escape along the entire coil as opposed to the tight wrap where the vapor only comes out through the extremes of the coil.
This, on a Kayfun would also have an added benefit because the air hole is directly below the center of the coil.
Btw, my coils were both 32 gauge Kanthal at 1.2-1.4 Ohm using a cotton wick.

Thank you all for the great posts.

yeah and if you did the same experiment with a micro it would be the other way around unless you went really high watt's.

nanos are awesome and are better with a cloud underneath, i only put enough cotton to sit the nano on, and the little bit of cotton surrounding it gets pushed in underneath itself to raise the outer edges a touch.


your closed coil nano was getting to hot and boiling off the juice before it escaped that's why the open coil did better, but i have used closed nano's with internal wick, you have to pulse the fire button rather then hold on till your done with your hit
 
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