TC and wattage

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Asaman

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Hi, new to this forum type thing but not new to only enjoying vaping for moments at a time before I somehow screw things up. Internet info is like pulling teeth sometimes. I have a fuchai TC 200w, only mod I haven't hated. Just started running a .15 ohm but I can't find a suggested wattage. I broke in the coil right, finally, and I'm loving it at 150w. TC for ni 200 I had all the way up to 300c but it wasn't warm at all. Kinda hoping for a bit of help so I don't just ramp this baby all the way up to 200 and end up with a pretty smile
 

IMFire3605

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Highest mine goes in F is 572. Cranked up my ramp up to 200 watts and still barely warm. When I googled TC people were talking about ohms law and all that jazz. I know ohms law but since I have 2 30A batteries am I supposed to add them together? So confusing. All I wanted to do was quit chewing

If you are running Sony VTC3 or LG HB2, HB4, or HB6 true 30amp CDR batteries, then you are pretty much safe running full open 200watts, regulated mods use Watt's Law not Ohm's Law, but the catch is learning what the lowest battery charge per battery is the cutoff voltage before the mod warn low battery, generally in the 3.2 to 3.5v range is this cutoff.

200watts/6.4v (3.2v X2 batteries in series)=31.25Amps each battery must provide as this will be the highest amp draw point with a regulated

Now, get the question all the time of "What is the best wattage for so and so atomizer/tank?" and "What is the best TC setting for so and so coil build?" etc. The answer is the same because each vaper is different, you adjust these settings "To You Own Taste Preferences", not mine, not your buddies, but "YOURS". This takes time to fine tune the settings to your flavor expectations, throat hit, and vape warmth.

Example, presently I'm running a UD Bellus RTA tank with a dual coil Nichrome 80 wire 24awg build Ohming out to about 0.8ohms, running on a Kanger Kbox 200watt set at 200watts in Nichrome Temp Mode @420F Temp, and it is a pretty cool vape because the coils can't reach that 420F temp range with the airflow wide open and the airflow is very loose, just a little tighter than my TFV4 Tank and Mutation X V2 Dripper, but flavor and vapor production I am looking for is there. Set the mod in to standard power mode at 65watts and the vape gets a little rough for me. Best way to tell if the TC if functioning the Fuchai properly is test fire it in 1 to 2 second pulses while watching the screen, it should show the voltage pulse width modulation and detected coil temp fluctuating, if neither is happening, the coil may be to low for the Fuchai to operate properly, try rebuilding the coil to about 0.2ish or try a Titanium Coil build.
 

Asaman

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Have Imren batts. Not what fuchai calls for. Got gyped at shop. Probly cause she didn't know any better and I was just picking up mod so neither did I. I travel for work so i never see the same shop twice, makes this troubleshooting harder for me. Supposed to be running 35A high drain according to manuel. In TC and watt mode the only thing that fluctuates is the battery bar. Screen only shows ohms, batt bar and power/TC setting. I wouldn't think that .15 ohms is too low a coil only because the .3 ohm wouldn't go above 115w without tasting burnt. Idk though. I just keep wasting money trying to find what works for me.
 

suprtrkr

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First things first, there are no honest 35A batteries in 18650 size. 30A is the best you can get. I suggest Sony VTC4s for that mod. As said above, in TC mode the wattage setting is more like a speed limit, a "do not exceed" value. The wattage applied to the coil is controlled by the mod electronics, and will increase/decrease several times a second as the mod measures the coil wire temperature. Just a thought here, but why don't you try a titanium wire coil instead of nickel. Most people like those better.
 

IMFire3605

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Grabbed nickel because it was the only .15 I could find for the aspire Atlantis 2 at the time. It's for the aspire triton but fits atlantis

If it is a pre-made nickel coil and the Fuchai is not operating with it, could be a dud coil head with a dead short causing it to read lower than 0.15ohms making it unstable for coil measuring by the firmware. Check the manual also see if there is an option to lock in the cold coil resistance, that could be the problem as well, fires fine at first but once the coil gets warm the base resistance of the wire increases and goes above the highest TC ohm rating to use it in TC mode. That is really how a TC mod measures temp by reading the change in the coil resistance.
 
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stylemessiah

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TC will only use enough watts to achieve the set temp.

You should stop thinking about watts as though youre using VW mode, youre not.

I have used TC for about 5 months exclusively now, and wouldnt go back to VW if you paid me. In VW mode i was always having to change watts (i used up to 21 watts on my Lemo with a 1.1 ohm build) to get the vapor to work right, constant fiddling. Since i swapped to TC ive been using 0.5ohm SS coils. I couldnt tell you what the wattage on my TreeBox was without switching it over to VW mode to check, but i know its above 30, just for headroom (most TC mods will tell you to set the watts above 30). In use at about 195c, my watts shows at about 26w....but no more fiddling.....

TC mode for most sane people = set watts above 30 and ignore, set the desired temp

Not hot enough? I dont know why anyone wants a hot vape (as i always say, not sure why you would want hot vapor into sometimes decades old smoke damaged lungs. Hot vapor of any kind into healthy lungs=bad). But if youre hell bent on doing something that silly - set watts as high as you want, turn up temp. The temp has the end say in what you get, thats why you are using a TC mod for. If you find yourself fighting this and trying to get ridiculous watts, go back to VW...thats for you
 

Douggro

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Check the manual also see if there is an option to lock in the cold coil resistance, that could be the problem as well, fires fine at first but once the coil gets warm the base resistance of the wire increases and goes above the highest TC ohm rating to use it in TC mode. That is really how a TC mod measures temp by reading the change in the coil resistance.
+1 for this. Often overlooked by noobs to using TC.

30-40W has been my go-to setting for .15Ω Ni coils in TC on the tanks I've used it with - just set up my Crown this way again after finding some more Ni coils for it.
 

edyle

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Hi, new to this forum type thing but not new to only enjoying vaping for moments at a time before I somehow screw things up. Internet info is like pulling teeth sometimes. I have a fuchai TC 200w, only mod I haven't hated. Just started running a .15 ohm but I can't find a suggested wattage. I broke in the coil right, finally, and I'm loving it at 150w. TC for ni 200 I had all the way up to 300c but it wasn't warm at all. Kinda hoping for a bit of help so I don't just ramp this baby all the way up to 200 and end up with a pretty smile

Glad you are loving it.

Is there a question somewhere?
 

Asaman

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Mar 9, 2016
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If it is a pre-made nickel coil and the Fuchai is not operating with it, could be a dud coil head with a dead short causing it to read lower than 0.15ohms making it unstable for coil measuring by the firmware. Check the manual also see if there is an option to lock in the cold coil resistance, that could be the problem as well, fires fine at first but once the coil gets warm the base resistance of the wire increases and goes above the highest TC ohm rating to use it in TC mode. That is really how a TC mod measures temp by reading the change in the coil resistance.
When I switch from TC to watts, ohms does change. When I jump around wattage the resistance changes as well. So it's probly working fine. I used to have Copenhagen in my mouth every waking moment so I think then I was only able to vape with watts the heat was associated with more nicotine. I'm not a cloud chaser, just trying to keep sane. Thanks for help
 

edyle

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The question was if I was going to blow my face off with the equipment I'm running. Kind of fond of my beard

The main factor there is the specific batteries that you use.
I don't know the mod, but that is also a factor; I think that's a sigelei, and sigelei has a very good reputation.

I think it's a 2 battery mod; personally I wouldn't attempt to run 200 watts on a two battery mod; I'd want at least 3 batteries for that wattage; basically I'd really prefer more like 40 watts per battery ;

use good batteries when running high wattages, like the sony vtc4.
Samsung 25r.
and there's a couple lg batteries... where's that mooches pic......

moochesbatteryrecommendations.jpg
 
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