Cotton problems

[nelsonbloke]

I've followed every tut I can find on here and elsewhere on cotton wicks but they always end up flooding my batt. Even placing a 2mm silica flavour wick on top of my coil doesn't help much.

Is this a normality when using cotton? If so, then I think I'll stick to silica

[Greigster]

What are you trying to re-wick/coil?

[tomj777]

If your talking about using a "flavour wick" then I'm guessing summat like a Protank...

The rule of thumb on things like a Kayfun or Expromizer where the air hole is above the majority of the wick is that less is more - too much in the coil and you strangle it and leave a burnt taste - too much in the well and it will swell above the air hole and drip down... So the idea is a reasonable amount in the coil (here be the trial and error bit) and very low density within the well.

However, if it's a bottom coil tank similar to a Protank then I'm thinking that a low density outside of the coil will result in flooding because it wicks just a little too well. So I reckon a medium density for the coil wick and higher density for the flavour wick (I recall this being how to do it but it's been an age)...

The problem is "low", "medium" and "high" are terribly subjective terms and I fear you have a lot of experimenting to do...

Someone more knowledgeable than me will come along shortly (probably Greigster who I believe holds a legendary amount of knowledge)

[nelsonbloke]

May 31, 2014 13:46:20 GMT Greigster said:

What are you trying to re-wick/coil?

Sorry mate. I keep forgetting I'm a noob

It's a bog standard single coil kanger bottom coil.

[nelsonbloke]

May 31, 2014 14:12:04 GMT tomj777 said:

If your talking about using a "flavour wick" then I'm guessing summat like a Protank...

The rule of thumb on things like a Kayfun or Expromizer where the air hole is above the majority of the wick is that less is more - too much in the coil and you strangle it and leave a burnt taste - too much in the well and it will swell above the air hole and drip down... So the idea is a reasonable amount in the coil (here be the trial and error bit) and very low density within the well.

However, if it's a bottom coil tank similar to a Protank then I'm thinking that a low density outside of the coil will result in flooding because it wicks just a little too well. So I reckon a medium density for the coil wick and higher density for the flavour wick (I recall this being how to do it but it's been an age)...

The problem is "low", "medium" and "high" are terribly subjective terms and I fear you have a lot of experimenting to do...

Someone more knowledgeable than me will come along shortly (probably Greigster who I believe holds a legendary amount of knowledge)

I'm getting no problems with silica on the bottom coil at all and I pinch the cotton 50/50 as described on here but still floods.

[tomj777]

Can you give me the link to where on here? Might spot where things are going awry.

[nelsonbloke]

May 31, 2014 14:32:04 GMT tomj777 said:

Can you give me the link to where on here? Might spot where things are going awry.

allaboute-cigarettes.proboards.com/thread/32391/microcoil-cotton-guide

[tomj777]

Wow - that guide is amazingly clear... And right.
Only things I can think of is that definition of 50/50... And, oh - how full is the tank? I know that with some BCC's, it's very important to have them at least 1/3rd full else the pressure difference isn't enough to stop it flooding (or something).

[nelsonbloke]

May 31, 2014 15:24:15 GMT tomj777 said:

Wow - that guide is amazingly clear... And right.
Only things I can think of is that definition of 50/50... And, oh - how full is the tank? I know that with some BCC's, it's very important to have them at least 1/3rd full else the pressure difference isn't enough to stop it flooding (or something).

I usually brim it so it lasts a day.

[tomj777]

Are you in a position to run an experiment with say three clearos with different density cotton wicks?
I'm at a loss at this point.

[djs]

Which diameter are you making your coils?

[nelsonbloke]

May 31, 2014 15:31:30 GMT djs said:

Which diameter are you making your coils?

1.5 on a drill bit.

[nelsonbloke]

May 31, 2014 15:29:54 GMT tomj777 said:

Are you in a position to run an experiment with say three clearos with different density cotton wicks?
I'm at a loss at this point.

Only got the one Kanger as of now. I'm still fairly new to all this so don't want to waste money for experiments.

[djs]

May 31, 2014 15:33:32 GMT nelsonbloke said:

May 31, 2014 15:31:30 GMT djs said:

Which diameter are you making your coils?

1.5 on a drill bit.

My opinion would be to go with 2.0 or even 2.5.

1.5 is very slim and will require an expert eye to get the cotton wool right.

The "less is more" argument is not entirely helpful. If you aren't filling those wick holes in your Kanger heads, you'll get leaks.

My preferred method (T3S, Evod, PT) is to use 2mm AND get a thick wick going as well.

[nelsonbloke]

May 31, 2014 15:38:55 GMT djs said:

May 31, 2014 15:33:32 GMT nelsonbloke said:

1.5 on a drill bit.

My opinion would be to go with 2.0 or even 2.5.

1.5 is very slim and will require an expert eye to get the cotton wool right.

The "less is more" argument is not entirely helpful. If you aren't filling those wick holes in your Kanger heads, you'll get leaks.

My preferred method (T3S, Evod, PT) is to use 2mm AND get a thick wick going as well.

Will that not affect the coil resistance? I've found a sweet spot of 1.5 now on my home builds using silica.