Sub tank mini build advice.

[zoiDman]

On my STMs I use 30ga twisted-pair on a 3mm tool. IIRC, I use about 6 wraps. The finished coil comes out to .7-.9 ohms and has a very good balance between vapor production and flavor. ...for a STM anyway.

Yeah... I have been using these for about the last 10 Days...

$3.24 Authentic MKWS Nichrome Resistance Pre-Coiled Wire for RBA Atomizer (15-Pack) - 30*2 AWG / 0.25mm*2 dia. / 1.2ohm at FastTech - Worldwide Free Shipping

They seem to be a Tad Better for both Flavor and for Vapor than a Single Wire.

 

[ruet]

Yeah... I have been using these for about the last 10 Days...

$3.24 Authentic MKWS Nichrome Resistance Pre-Coiled Wire for RBA Atomizer (15-Pack) - 30*2 AWG / 0.25mm*2 dia. / 1.2ohm at FastTech - Worldwide Free Shipping

They seem to be a Tad Better for both Flavor and for Vapor than a Single Wire.

Nice! Do you work them at all? They seem more spaced than how I wrap them. I can't, scientifically, say they're any better than anything else I've used but it sure seems like they are. Could all be in my mind.

 

[Clydde26]

Here is a link to how I wick and build my sub tank mini for those of you that need visual aids. I find that 2.5mm id is the sweet spot for the tank as it produces the best flavor. Try the same build with my wicking method and a smaller inner diameter and I'm certain your flavor will improve.
Kanger TopTank Leaking

 

[HenTheKing]

I might have a look for some of those. Saves me buying a shed load of wire that I may not use again.

 

[HenTheKing]

Here is a link to how I wick and build my sub tank mini for those of you that need visual aids. I find that 2.5mm id is the sweet spot for the tank as it produces the best flavor. Try the same build with my wicking method and a smaller inner diameter and I'm certain your flavor will improve.
Kanger TopTank Leaking

Cool, thanks brodude.

 

[Redo]

Yeah... I have been using these for about the last 10 Days...

$3.24 Authentic MKWS Nichrome Resistance Pre-Coiled Wire for RBA Atomizer (15-Pack) - 30*2 AWG / 0.25mm*2 dia. / 1.2ohm at FastTech - Worldwide Free Shipping

They seem to be a Tad Better for both Flavor and for Vapor than a Single Wire.

Hey @zoiDman I was looking at those. How long did it take FT to get them to you - door to door?

 

[zoiDman]

Nice! Do you work them at all? They seem more spaced than how I wrap them. I can't, scientifically, say they're any better than anything else I've used but it sure seems like they are. Could all be in my mind.

Not sure what you mean by "work them at all".

I just screw them onto the Deck and do a Quick Dry Burn. Then "Pring" them with something pointy to make sure the spacing is even from Loop to Loop. And so there is a Very Small Gap between Coils.

Not sure I it makes all that much Difference? But it just Looks Right to have a Small Gap between the Loops.

Like I said, they Work a Tad Better (to me) than a Single Wire.

 

[zoiDman]

Hey @zoiDman I was looking at those. How long did it take FT to get them to you - door to door?

I'm in the Southern California basin.

And from Order to Door for items that are In Stock, it averages from 10 ~ 14 Days.

 

[ruet]

Not sure what you mean by "work them at all".

I just screw them onto the Deck and do a Quick Dry Burn. Then "Pring" them with something pointy to make sure the spacing is even from Loop to Loop. And so there is a Very Small Gap between Coils.

Not sure I it makes all that much Difference? But it just Looks Right to have a Small Gap between the Loops.

Like I said, they Work a Tad Better (to me) than a Single Wire.

Work=pinch,pull,"pring". I like them to have as little gap as possible between wraps much like a contact coil.

 

[HenTheKing]

Is there a noticeable difference between spaced and non spaced coils? Logic suggests a spaced coil would work better? (Gaps for vapour to escape?)

 

[Clydde26]

Spaced coils wick better... Micro coils..or coils with no space between them... Increase the surface area of the wire and bring out different flavor notes of juice.

 

[Robert Cromwell]

Spaced coils wick better... Micro coils..or coils with no space between them... Increase the surface area of the wire and bring out different flavor notes of juice.

Yeah the compressed coils run hotter. Tried em in my STM but like the spaced coils better. I don't have to rewick as often with the spaced coils either.

 

[ruet]

Yeah the compressed coils run hotter. Tried em in my STM but like the spaced coils better. I don't have to rewick as often with the spaced coils either.

Remember that with a twisted coil, because of the geometry of the twisted wire, it's impossible to have no space between the wraps. No matter how tight you pinch them they have a natural spacing. It's theoretically the best of both worlds. Is it actually any better? Who knows. It seems wishy washy but with things of this, subjective, nature it's best to try it oneself

 

[zoiDman]

Work=pinch,pull,"pring". I like them to have as little gap as possible between wraps much like a contact coil.

Gotcha. Yeah. I space the Coils out just a Tad.

But out of the Container, these Twisted Wire coils are touching.

 

[HenTheKing]

So after trying liquid states apple butter I'm still not getting any flavour really. I can taste sweetness and a hint of cinnamon occasionally but nothing else. I've gone from 15-35 watts on a 0.5 coil and nothing.

So frustrating.

 

[HenTheKing]

Element pink lemonade is a winner!

 

[HenTheKing]

Right, so I was thinking that maybe it was my build. So I decided to try a higher resistance coil. Built a 0.8 coil to try and get some more coverage in the wick, at 3mm ID.

However as I was notching up the watts I noticed the volts at 4.2. I have an Efest 18650 35a battery in there. I started to panic that it would blow my battery. A quick Google and I think I've surmised that you need to divide the voltage by the resistance to determine your amp drain?

So the highest I got before I panicked was 22w which was 4.2v, so 4.2/0.8=5.25

This is ok right? It's drawing 5.25 Amps on a battery that has a 35a drain.

 

[Clydde26]

ohmslawcalculator.com is your friend. Even though your Battery states 35Amp it is the continuous output that you are interested in which is 20 amps. So if you take your coil resistance and your 20amp continuous and put it into the spread sheet..... you will notice that your battery can handle a load of 16 volts or 320 watts.

 

[HenTheKing]

Thankyou!

 

[Clydde26]

You dont have to stress about battery safety too much when you are into builds that are above .5 ohms. Its the Lower sub-ohm builds that get people into trouble when it comes to battery safety. Anything higher then .5 ohms you will fry your cotton before you put stress on your battery.