Good coil wire that lasts?
- Thread starter Mooseknuckle
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Not to step on any toes...but here is my take.
Might I suggest NOT pre-wicking your coils.
Leave the mandrel in the coil when mounting the coil and securing the legs.
The coil should be positioned above the deck so that the top of the coil is even with the top row of air holes.
Then apply a bit of upward pressure to confirm the legs are captured securely and the coil has maintained it shape/position.
Remove the the mandrel and pulse fire the coil to confirm it is heating evenly and any residue on the wire is burned off. ("orange glow" hot is enough...over heating the coil is not needed. )
While the coil cools, wash your hands. Lotions, creams or strong soaps can contaminate your wick.
Wick your coil.
If you are deforming the coil, that is too much cotton. It should have a bit of resistance but not be overly tight.
Trim the wick even with the outer base and tuck it in. It should just touch the base of the deck. (nod to @Sugar_and_Spice )
Too much "tail" on the deck may result in dry hits and your coil burning prematurely.
juice the coil and test fire to confirm no hot spots or areas of the coil that are not contacting the wick.
Assemble and fill tank per normal.
After the first few pulls, you can try to add a non powered pull or two before resuming normal use.
The non powered pull will feed additional juice to the coil and can help to compensate for too much wick on the deck. You can do this anytime to re-saturate the wick.
Start at 10-12 watts and increase as needed/desired.
Hope this helps.
I
Might I suggest NOT pre-wicking your coils.
Leave the mandrel in the coil when mounting the coil and securing the legs.
The coil should be positioned above the deck so that the top of the coil is even with the top row of air holes.
Then apply a bit of upward pressure to confirm the legs are captured securely and the coil has maintained it shape/position.
Remove the the mandrel and pulse fire the coil to confirm it is heating evenly and any residue on the wire is burned off. ("orange glow" hot is enough...over heating the coil is not needed. )
While the coil cools, wash your hands. Lotions, creams or strong soaps can contaminate your wick.
Wick your coil.
If you are deforming the coil, that is too much cotton. It should have a bit of resistance but not be overly tight.
Trim the wick even with the outer base and tuck it in. It should just touch the base of the deck. (nod to @Sugar_and_Spice )
Too much "tail" on the deck may result in dry hits and your coil burning prematurely.
juice the coil and test fire to confirm no hot spots or areas of the coil that are not contacting the wick.
Assemble and fill tank per normal.
After the first few pulls, you can try to add a non powered pull or two before resuming normal use.
The non powered pull will feed additional juice to the coil and can help to compensate for too much wick on the deck. You can do this anytime to re-saturate the wick.
Start at 10-12 watts and increase as needed/desired.
Hope this helps.
I
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It looks too me that there is too much space between the wraps. The juice isn't vaporizing but just boiling then burning between the wraps. Your problem compounds using cotton cause your just burning then clogging up the cotton having such a wide gap between wraps so no juice flow past the first wrap on either end. If its 6 wraps your after then you have to manipulate the legs rather than stretch out the coil to fit. All you need is a millimeter of space between the wraps.
Your also causing a premature carbon cocoon with the half cooked/burnt juice that requires extra power to heat up that cocoon in order to vaporize the juice.
Cotton just like rayon you have to thin the tails cause with both materials too much tail will choke the juice flow.
I don't see 12 watts efficiently firing a 24 gauge coil..what I see is juice just boiling and never getting hot enough for effective vaping. Too fat of wire for such a low wattage...your batt(s) is trying to ramp up the thick wire then nothing left to power it after
Your also causing a premature carbon cocoon with the half cooked/burnt juice that requires extra power to heat up that cocoon in order to vaporize the juice.
Cotton just like rayon you have to thin the tails cause with both materials too much tail will choke the juice flow.
I don't see 12 watts efficiently firing a 24 gauge coil..what I see is juice just boiling and never getting hot enough for effective vaping. Too fat of wire for such a low wattage...your batt(s) is trying to ramp up the thick wire then nothing left to power it after
You are not wicking it right. You're using way to much cotton. You need to trim the cotton so it just barely goes into the wicking ports. When I build RTAs I don't put the cotton into the ports. I just set the cotton so the ends just set on top of the ports. Your wicking is getting choked off and you're getting dry hits. You also need to raise the coil up some so the airflow get underneath the coil. The way you have the coil set it looks like any air that might be hitting the coil is just hitting the top of the coil. At this point you are changing coils that are most likely not bad.
Am i the only one who noticed the "gunked" coil is crooked, even his new install aint right.
If your coils aren't centered, your airflow will never hit it correctly.
I'll leave the rest to others as that's the only thing i noticed wrong from my experiences.
If your coils aren't centered, your airflow will never hit it correctly.
I'll leave the rest to others as that's the only thing i noticed wrong from my experiences.
I agree with Izan.
When I remove a wick I rinse the coil, then dry burn the coil lightly, just enough to see a dull red glow, and hold it under the sink tap to wash off any residue. If it feels smooth and looks shiny gray after that, I wick it, prime it with juice, and put the atty back together. If the coil feels rough I change it.
When I remove a wick I rinse the coil, then dry burn the coil lightly, just enough to see a dull red glow, and hold it under the sink tap to wash off any residue. If it feels smooth and looks shiny gray after that, I wick it, prime it with juice, and put the atty back together. If the coil feels rough I change it.
It could be a little better but it really isn't bad enough to cause that much of a problem.
Attached is a picture of the new coil mounted to the deck. Does this look good and mounted high enough?
I will then use less cotton and thin the ends. Should the cotton go into the channel and touch the bottom of the deck or it should not go down that far?
I will then use less cotton and thin the ends. Should the cotton go into the channel and touch the bottom of the deck or it should not go down that far?
Attachments
The coils look good. The cotton should just barely fill the ports. It doesn't need to go to the bottom of the deck.
The video posted above shows the guy filling the wick ports and wrapping the wicking around the base of the deck. You are saying the wick should just barely fill the ports and I should not have enouto wrap around the bottom of the deck, correct?
IMO: Your coil is a bit high.
Watch the video posted by @Baditude
At 2:27 is a great example of what I was trying to explain about coil position.
Wick as noted by @Don29palms
Cheers
I
There's many methods to do this. If I were you I'd try don's suggestion first as it will 100% not choke the liquid flow. It may get a bit floody the first few times but as it's a top AF atomizer you won't get your hands slimy.
Be careful that coil doesn't short on the chimney.
Set it no higher than the top air holes.
Set it no higher than the top air holes.
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It seems to already be hitting better. I have it set to 30 watts. Now let's see if it can last longer than a day.
What would be the best way to clean the coil?
What would be the best way to clean the coil?
Let me jump in here! I have the Zeus single coil and have struggled with the exact same problem. The issue, I have come to believe is the cotton. Now, I'm not totally sure if it is too much cotton or the type of cotton. I fought this for quite a while. What I discovered was after a day of vaping I was getting those burn hits. When I removed the cotton the cotton was saturated except at the coil, it was dry. It was getting bunched up somehow at the coil. I kept making thinner and thinner wicks and the problem didn't get any better. I was using the japanese cotton. I switched to natural cotton, which is harder to work with, and I have not had a problem since.
It's the cotton! Too much or the wrong kind but it's the cotton.
It's the cotton! Too much or the wrong kind but it's the cotton.
The coil is way too high it will short on the chamber, it should be a couple of mm off of the deck centered between the air holes.
3mm is a perfect size for the Zeus single, I ran a 3.5mm 8/7 wrap of 22ga N80 @50W and never had a problem.
Wicking is major key as you will get dry hits very easily because of the horrible design. Your wick tails are way too dense and need to be thinned, the tails just need to lightly fill the juice channel. You can run them down to through the channel to the base or trim them just at the bottom of the channel it's a matter of personal preference.
I put my Zeus back in its box as soon as the qp Designs JuggerKnot arrived (top air), it's leaps and bounds better that the Zeus and I run the JK in single coil as well.
Now that they have a JuggerKnot mini, it might be something to look into as the Zeus can be a bit of a struggle for less experienced vapers.
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