Hello, I've built a few PT/EVOD coils but I'm trying to make my first few micro coils with cotton tonight and I can't figure out how everybody gets their wraps to stick so tightly together, all my wraps I've attempted always want to stretch back out away from one another. I'm using 32 gauge kanthal and I'm about to go down to the shop and pick up a couple feet of 28 and 30 to try out, 32 is just a tad too small for me to work with. I'm attempting to wrap them on a 5/64 drill bit as well. Any tips and tricks on how to get them to stay together would be very helpful. would 28 or 30 gauge be a better idea?
Advice on Micro coil for PT/EVOD
- Thread starter nosmoke12
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Torch/run a flame over the wire until its a bright red color before you try and wrap it, it will take out some of the springiness that the wire has.
when I used to build micro coils in a protank I pretty exclusively preferred 28ga Kanthal. also used cotton wicks and built them to about 1.2-1.4Ω
I mostly wound them around one of two alan keys I have, one thinner than the other, experimenting with both.
I mostly wound them around one of two alan keys I have, one thinner than the other, experimenting with both.
yeah it did, my $5 torch lighter died on me after maybe 30seconds of using so I got a real one from home depot and made a somewhat decent micro-coil, torching really did help keep it together tightly. I have it in my PT2 now and works pretty good, except i have to adjust the tightness of it on my vamo a lot, if I make it so it won't wobble, my Vamo reads "low load". but when it is working it came out at 2Ohms and I've been running it at 4-4.1V and no burnt taste so far! I just don't get why I can run this 2Ohm at 4V, and a stock coil at ~2.6Ohm tastes burnt at 3.9V
Edit: made the micro-coil with 30 kanthal and cotton
Edit: made the micro-coil with 30 kanthal and cotton
It's probably because its a better quality wire and the stock silica is very poor quality and burns easily. Cotton also wicks a little bit better IMO so it can handle more volts bc it isn't drying out as quick as the silica
Ah I gotcha, yeah like I have my PT all assembled and if I put it on too tight onto my Vamo it reads low load so I loosen it a bit and then it'll fire and read 2 Ohms. But it has to be quite loose to the point where the PT will wobble a bit if that makes sense
Dont try to squeeze the wraps together after you made the coil. You want the wraps already really tightly touching right when you first wrap it. Torching and squeezing should only be a minor adjustment afterwards.
Always keep the coil on the drill bit all the way until you want to fire the mod.
Always keep the coil on the drill bit all the way until you want to fire the mod.
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