Hey guys I'm new to building my own coils. Anyway. I built a dual wrap single coil reading at .6ohms. I did 8 wraps. They are taking for ever to heat up...I mean I have to wait 2 or 3 seconds of holding the button on my Manhattan mod before I can take a hit. And even then the vapor production is pretty low. I was hoping you guys could help me out..are my battery just crap? Or my coil build? I want to push some serious clouds. Thanks.
coils taking forever to heat up
- Thread starter killuh208
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What gauge wire are you using?
To increase the heat and decrease the heat-up time just decrease the number of wraps. This will lower the resistance (obviously) and therefore increase the wattage, which will give you more vapour.
As long as your batteries are decent (with a decent discharge current rating) then you should be alright.
To increase the heat and decrease the heat-up time just decrease the number of wraps. This will lower the resistance (obviously) and therefore increase the wattage, which will give you more vapour.
As long as your batteries are decent (with a decent discharge current rating) then you should be alright.
This could be also be bad contacts or dirty connections. Make sure your wire screws are tightened down and that your mods contacts are clean.
I'd check the threads and connections and remove any dirt off them, sounds silly but sometimes I Forget to do it for a long time and that resolve the problem
Great battery.
Now what is the gauge of the wire you are using? If you are using anything below 26 gauge it's going to take some time for the wire to heat up and cool down.
28 gauge is a great place to start when you are new to rebuilding.
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Also, the inside diameter of the coil makes a difference. The bigger the coil the longer it takes to heat up.
Check contact pins at the 510 connection and fire button, remove any black stuff off these. Clean threads on the mod tube, bottom, and top caps. Check tightness of rda screws. What guage wire are you using? 20awg, 22awg, possibly 24awg, it is sounding like maybe 26 or 27 awg? Simple 26 awg 5/4 wrap on a 2mm inner diameter would place you right around .5 ohms, on a fresh charged vtc4, ramp up time should be about 1/2 to a full second with proper connections. If that still isn't the problem, with everything clean and tightened up, then your mod has a serious voltage drop issue somewhere.
Are you referring to twisted wire? I have a quad twisted 28awg 0.25 ohm coil setup and Sammy INR 18650. They coils don't glow as fast or as bright but the chuck out the vapor like a monster. Twisted wire acts as two coils touching so in fact one coil using twisted wire is 2 coils but cools by touching each other with more surface area and liquid in the grooves.
Each coil is 1 ohm. Total of 0.25 ohm. You would think it would get so red it would blind you but this isn't the case.
Each coil is 1 ohm. Total of 0.25 ohm. You would think it would get so red it would blind you but this isn't the case.
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Are you referring to twisted wire? I have a quad twisted 28awg 0.25 ohm coil setup and Sammy INR 18650. They coils don't glow as fast or as bright but the chuck out the vapor like a monster. Twisted wire acts as two coils touching so in fact one coil using twisted wire is 2 coils but cools by touching each other with more surface area and liquid in the grooves.
Each coil is 1 ohm. Total of 0.25 ohm. You would think it would get so red it would blind you but this isn't the case.
not enuf amps to get it there..... if your battery was able to supply 100A then yes... it would go white hot...
My battery is a 25 amp INR and it powers it with amps to spare so that's not the problem. I'm only drawing 15 amps with this setup. The battery handles the coils but the voltage (current) isn't enough (mech mod) to make it glow white. But trust me the cloud is immense as I tested under load and its easy over 60 watts. Gets very hot doing a 10 second hit though even with the heat sinks.
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The Samsung 25R 2500mah battery is 20A CDR
A 0.25Ω build will draw 16.8A on a fully charged battery (4.2v)
Just in case someone new to rebuilding is reading this and the numbers are not adding up (when they put them in an Ohm's Law calculator).
current is based off of amp supply.... volume of electrons, not pressure ( volts) you can have 4000V at .0001 amps and still have 10 times less current than 4 volts at 1 amp
You need to remember that even at a full 4.2 volt charge under load of 0.25 ohm is less current (about 3.9v) and I have the bench test from Samsung for the INR it can handle more than 25 amps. Expecially burst. Which is all we do when vaping.
True about the numbers not adding up because you need to account for load. The battery will never put out 4.2 volts when an any atomizer is connected.
Now your talking extremes with your reasoning but ill take it. You can't adjust volts with a mech though. 4 years on the job. I've learned a lot. That's after 13 years of CPU tech and electronics.
True about the numbers not adding up because you need to account for load. The battery will never put out 4.2 volts when an any atomizer is connected.
Now your talking extremes with your reasoning but ill take it. You can't adjust volts with a mech though. 4 years on the job. I've learned a lot. That's after 13 years of CPU tech and electronics.
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It is your coil build.
Like most new people, you're thinking about ohms and wraps, but you're not thinking about wire gauge.
Use the steam engine calculator.
Coil wrapping | Steam Engine | free vaping calculators
Also, since you are using a mech mod, you might as well just do 1 coil first; then when you get 1 coil right, you add the second coil.
Also, if you inexperienced with coil building, it is easier to start out by using a regulated mod, where you can adjust your voltage/wattage up or down instead of having to do over your coil to match the battery.
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lets take for example a 12V lite bulb from a cars tail lite at 15W... it lites up brightly with the car battery but when you take that same bulb and attach it to a 12V power supply of say 250ma output, the bulb barely glows...
as it is already said, there is a perfect spot between certain wattage and coil surface area in order to have a decent vape, and by decent i mean, no heat up lag and normal temperatures without burnt taste.
for example if you are using a dripper, try this build :
Kanthal A1, 26awg
Dual coil, 5wraps at 3mm drillbit
Vape at 35-40 watts on a regulated mod. It should work ok with a freshly charged battery on a mechanical too. The resistance reading should be a little less than 0.4 ohms
for example if you are using a dripper, try this build :
Kanthal A1, 26awg
Dual coil, 5wraps at 3mm drillbit
Vape at 35-40 watts on a regulated mod. It should work ok with a freshly charged battery on a mechanical too. The resistance reading should be a little less than 0.4 ohms
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