need help with building coil :( recoil like 10+ coils and still not right

[jemton]

billow v2

dual coil

26gauge
6wraps
kanthal
i made sure the coils were coil evenly , no pancaking, no one wrap bigger than the other or etc.
( i was thinking if its when i insert the coil into the deck post and cutting < maybe this process i've dont wrongly but i followed exactly what a few youtubers did )

insert coil into post while the screw driver was still on the coil, screw down the post and cut the coil as short as possible from the other side. position the coil to the centre of airhole and start pulsing to see if light evenly

coils are lighting up more towards one side ( not lighting up from the centre out its more towards leftside out ) ... no idea why...

tried struming, using pliers to press them ( dont have a ceramic tweezers )

getting poping sounds too

< video link to how it looks

can someone please tell me whats causing this?
would really really appreciate it alot as ive been trying for the longest time.

 

[Nuggit]

Strum it from the inside. That's what I'm seeing. I could be wrong, but if my coil pulsed like that, I would get at that inside set, closer to the posts, and gice it a tickle The top and outside of the coil would be the easiest to reach, so I make shure I hit the easy to miss parts. Once you build up a decent oxide layer, they work great. If you don't get a layer built up in a small section, it will stick together and the current gets funneled through those few couple of coils, Increasing the likleyhood it will stick a little more. Pulsing at this point doesn't really help.
2 cents, of course.

 

[jemton]

Any other advices?

 

[Nuggit]

Did you struum while pulsing?
Had to ask if we're troubleshooting

 

[jemton]

Did you struum while pulsing?
Had to ask if we're troubleshooting

No i didnt , if i did it will short right?

 

[Cacique]

Things I can think of to look for besides what Nuggit mentioned; make sure the coil legs are the same length on both, and also make sure the screws are tightened. While I'm not sure this could be the case, I had many times when the post screws loosened up and caused my coils to not burn evenly. Don't tighten them too tight, just make sure they are decently snug. Sometimes the post screws will come lose from the heat.

 

[Nuggit]

Yea, I won't short if you take a little care not to hit the opposite post. If you keep movingyour strum, it won't short for long!
I forgot about legs ans and posts, got caught up in the strumming

 

[jemton]

Things I can think of to look for besides what Nuggit mentioned; make sure the coil legs are the same length on both, and also make sure the screws are tightened. While I'm not sure this could be the case, I had many times when the post screws loosened up and caused my coils to not burn evenly. Don't tighten them too tight, just make sure they are decently snug. Sometimes the post screws will come lose from the heat.

Yea, I won't short if you take a little care not to hit the opposite post. If you keep movingyour strum, it won't short for long!
I forgot about legs ans and posts, got caught up in the strumming

how do u make sure the legs are even when the far left and far right post is so much further from the centre?

wouldnt those need more kanthal to get there as compared to the center one?

 

[Cacique]

The legs on 1 coil don't have to be even, but when you make dual coils, you need to mirror the other image. So when you make the dual coils, the legs on 1 coil need to match the length of the legs on the 2nd coil. If you can't get that build you have to work, re-make it and leave the legs long on the coils, bend them up or to the side so the legs aren't touching the deck or the coils. Do a bit or dry burning and strumming and all that.

Like I said, I'm not 100% sure this is your problem, but if you did what I said, you'd be able to loosen the post screws and adjust the length of the legs on the coils until they're both burning evenly; lighting up at the same time and cooling down at the same time. Then you can tighten everything up and cut the excess wire from the legs. I don't strum while firing so I can't tell you if that will cause a short, but I will dry fire and strum while it's still hot. To get the inside, I put the screwdriver or whatever tool you wrapped the coil in and slide it back and forth inside the coil, rubbing the insides with the screwdriver, gently so you don't screw up the coils.

If that doesn't work, another thing that I've done as a "last resort" is to pinch 1 of the end wraps and gently pull on the coil to ever so slightly separate the coil wraps. I've done this with the result being that it either helped even out the coil, or I just end up ruining it and re-making the coil. I do this when nothing else has worked, since I would have ended up re-wrapping some coils anyways if it won't come out right.

Sooo...to make it short since I ramble and I might not have made that much sense. The leg from both coils going to left pole (respectively) should be the same length, and the same thing for the legs going to the right post. When you look at it from the top, it should be a mirror image, like a ying and yang symbol.

Hope some of that helps, good luck!

 

[jemton]

The legs on 1 coil don't have to be even, but when you make dual coils, you need to mirror the other image. So when you make the dual coils, the legs on 1 coil need to match the length of the legs on the 2nd coil. If you can't get that build you have to work, re-make it and leave the legs long on the coils, bend them up or to the side so the legs aren't touching the deck or the coils. Do a bit or dry burning and strumming and all that.

Like I said, I'm not 100% sure this is your problem, but if you did what I said, you'd be able to loosen the post screws and adjust the length of the legs on the coils until they're both burning evenly; lighting up at the same time and cooling down at the same time. Then you can tighten everything up and cut the excess wire from the legs. I don't strum while firing so I can't tell you if that will cause a short, but I will dry fire and strum while it's still hot. To get the inside, I put the screwdriver or whatever tool you wrapped the coil in and slide it back and forth inside the coil, rubbing the insides with the screwdriver, gently so you don't screw up the coils.

If that doesn't work, another thing that I've done as a "last resort" is to pinch 1 of the end wraps and gently pull on the coil to ever so slightly separate the coil wraps. I've done this with the result being that it either helped even out the coil, or I just end up ruining it and re-making the coil. I do this when nothing else has worked, since I would have ended up re-wrapping some coils anyways if it won't come out right.

Sooo...to make it short since I ramble and I might not have made that much sense. The leg from both coils going to left pole (respectively) should be the same length, and the same thing for the legs going to the right post. When you look at it from the top, it should be a mirror image, like a ying and yang symbol.

Hope some of that helps, good luck!

Ok i understand ur point but that is to resolve both coils lighting simultaniously ..

But what about the glowing? How do i make sure it starts from the middle out and not slightly from the left out? ( i think this is whats causing the poping sounds when i fire )

 

[Cacique]

The only thing for that is just to keep strumming it. You could try a small flat head screwdriver and gently raking it across the top, sides and bottom if you can, in both directions. I always strum the coil from the other side once I do the first.

 

[jemton]

The only thing for that is just to keep strumming it. You could try a small flat head screwdriver and gently raking it across the top, sides and bottom if you can, in both directions. I always strum the coil from the other side once I do the first.

But what about the glowing? How do i make sure it starts from the middle out and not slightly from the left out? ( i think this is whats causing the poping sounds when i fire ) < so this depends on how u strum the coils and has nothing to do with the length of the legs ( far right/left post vs middle post length for one coil )

ps; im using a billow v2

 

[jemton]

Bump

 

[G-weezy]

Try to tightened the center positive post. Maybe it's loose. If it's possible to do so.

 

[MattyTny]

It's very possible the screws have backed out after pulsing. It's also possible that the leg length is not even. Try tightening, moving the coils, and pulsing again.

What I would do is start a new build if you can't get the them to glow evenly. You want to get them as even as possible.
1) Keep both coils on the mandrel you wrapped them on and insert each one into their posts with the bottom lead in the negative and the top lead in the positive.
2) Push the coils up as close as you can to the positive block, touching is okay.
3) Bend the negative leads to the sides and keep light pressure on the coils to hold them in place. Tighten the negatives
4) Tighten the positives while keeping light pressure.
5) Clip the leads.
6) Use the mandrel to pull the coils off the positive block and center them over the airflow.
This can be difficult because horizontal movement of the coils can mess up the wraps, some people leave them to one side as long as the airflow is still under the entire coil.
7) After you inspect the build to see that the coils and leads are not touching anything you can then start to pulse, pinch, and wiggle until you are satisfied.

I'd pulse at a lower voltage than you vape.

The centering can be a pain if the horizontal position is off, just do it carefully and in small increments. I like to use the small precision screwdrivers that have a ledge as a mandrel because it then serves as a base to push the coils side to side. In the case where I use a mandrel that doesn't have a ledge I grip the coils with flat needle nose pliers and pull them in the direction they need to go, this can easily mess up the wraps if too much pressure is applied.

This is how I've been coiling my Goblin V1 using 26 gauge around a 7/64 bit, so I've used the pliers to center them horizontally. The build holds up really well, it's very close to the chimney though. A pain to get clearance on, but performs amazing and the coils look very uniform.

Also check the atomizer it self to make sure the positive does not have play and that the screws aren't cutting into your wire.