JAC Vapour Series-B DNA 75w

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dobroeutro

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Maybe someone can enlighten me... (Fuggetabout it, Kat. You can't help.)

In TC, the wattage is set high enough to very quickly get the coil up to temp, then the wattage drops and varies to maintain the set temp. So, what is the logic behind having a pre-heat setting in TC? And, why is there no pre-heat setting in Power (VW) mode on the dna boards, where it could help to get the kanthal hot quickly? (OK, that second question is for Evolv to answer. Other brands do it.) (And, yeah, I've seen where you can jig the dna into doing a pre-heat on Kanthal [https://forum.evolvapor.com/topic/65540-preheat-in-kanthal-it-works/].)

I don't find a need for the Pre-Heat since I use a simple 24ga single spaced coil. But for some that use dual or more complicated coils, probably pretty useful. Just thinking out loud... lol. :eek:
 

Eskie

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I don't find a need for the Pre-Heat since I use a simple 24ga single spaced coil. But for some that use dual or more complicated coils, probably pretty useful. Just thinking out loud... lol. :eek:

And that's exactly what it's meant for. If I have a big, high mass coil(s) in place, preheat quickly gets me to temp. But once at temp, my max wattage doesn't have to be nearly as high to maintain the temp, so the set wattage is dialed down. I have a limitless+ build that needs 100W for 1 second to reach temp, then even at only 60W at 410F I rarely even hit temp limited. If I up it to 450F (which gets kinda warm for the build/tank) then I'll get temp limiting kicking in. If you rely on TC only and just always have your power jacked up to maximum, expecting TC to simply adjust accordingly will result in unintended consequences, and they won't be in your favor for a better vape.
 

gnees

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gnees

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Bronze

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Alrighty then. I will discuss my TC experience using the JAC. To begin, the Evolv boards are solid. They work as designed. As for TC I find it to be nice but not a game changer for me. It adds another layer of regulation...particularly on the high end. The coil hits the set temperature and holds it there to avoid those hot hits. You effectively achieve the same thing in power mode by toggling your fire button. Of course TC will be more accurate but the goals are effectively met in either mode. TC also allows you to increase your wattage for quick ramp up times. This is an advantage over many mods but my P3 and Radius essentially do the same thing with their Boost feature. One of the stated advantages of TC is that it eliminates dry hits. Perhaps so and I can see if this is a problem with some vapers it would definitely solve that problem. I never have a problem with dry hits so it makes no matter to me.

Overall it is an improvement for me because it increases the regulation at the top end. It basically dummies it up so I don't overheat the drag. Truthfully though, this is only a minor improvement. For those who want to solve their dry hit problems, TC is the solution. For those who do not have a Boost feature, TC can do the same thing. What is the cost? Virtually nothing except a small learning curve. Takes no more time to build using TC versus power mode. Some will gain more benefit, some not as much. Good chance I will continue using TC but if it was taken away from me I wouldn't cry over it.

I am using a 2.5mm SS coil, 7 wraps, 0.5 ohms. It is slightly spaced (the springiness of the SS determines the spacing).
 

Storm52

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I bought the JAC, basing the purchase on the feedback in this thread. Since I don't have a Provape "stash", I wanted a device that, 1. is currently available and possibly have a future; and 2. would replicate the smooth/consistent signal of the Provari. I don't see TC in my future as a Nautilus with 1.8 coils is the only thing I use since their introduction.
I don't have a desire to build, although I've read and watched enough posts to understand the "how to". I did read the thread about high temperatures in regulated non-TC devices, but I also understand vape is harm reduction, not harm elimination.
The JAC delivers. I still think in voltage and run at 4v, which on the radius and P3 shows 7.8watts. I guess I'm a tootle puffer!
 

Pinggolfer

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I am using a 2.5mm SS coil, 7 wraps, 0.5 ohms. It is slightly spaced (the springiness of the SS determines the spacing).

Who would have thought you sub ohm. Is that build for the K5? What wattage are you using and if using TC what setting do you use? Bronze a cloud chaser. :)
 

Katdarling

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I am using a 2.5mm SS coil, 7 wraps, 0.5 ohms. It is slightly spaced (the springiness of the SS determines the spacing).

Out of komplete kuriosity, with zero intention to build one, what gauge wire did you wind, Bronze?

(TC, as I see it, is a surely lovely concept, particularly for those who experience dry hits, or for those who use tanks with no visibility of liquid. I don't see it as bringing anything more to my particular vaping style.)



I did read the thread about high temperatures in regulated non-TC devices, but I also understand vape is harm reduction, not harm elimination.
The JAC delivers. I still think in voltage and run at 4v, which on the radius and P3 shows 7.8watts. I guess I'm a tootle puffer!

I'm with you, Storm! On all of what you said. :thumbs:
 

MikeE3

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Alrighty then. I will discuss my TC experience using the JAC. To begin, the Evolv boards are solid. They work as designed. As for TC I find it to be nice but not a game changer for me. It adds another layer of regulation...particularly on the high end. The coil hits the set temperature and holds it there to avoid those hot hits. You effectively achieve the same thing in power mode by toggling your fire button. Of course TC will be more accurate but the goals are effectively met in either mode. TC also allows you to increase your wattage for quick ramp up times. This is an advantage over many mods but my P3 and Radius essentially do the same thing with their Boost feature. One of the stated advantages of TC is that it eliminates dry hits. Perhaps so and I can see if this is a problem with some vapers it would definitely solve that problem. I never have a problem with dry hits so it makes no matter to me.

Overall it is an improvement for me because it increases the regulation at the top end. It basically dummies it up so I don't overheat the drag. Truthfully though, this is only a minor improvement. For those who want to solve their dry hit problems, TC is the solution. For those who do not have a Boost feature, TC can do the same thing. What is the cost? Virtually nothing except a small learning curve. Takes no more time to build using TC versus power mode. Some will gain more benefit, some not as much. Good chance I will continue using TC but if it was taken away from me I wouldn't cry over it.

I am using a 2.5mm SS coil, 7 wraps, 0.5 ohms. It is slightly spaced (the springiness of the SS determines the spacing).

Overall I quite agree with your opinion. Matches mine and my wife's pretty much. We've been experimenting with TC on the JACs and LavaBox's. But we both still give an edge to our Kanthal coiled toppers. Perhaps it's because I've been doing Kanthal builds for 5 years and only 2 weeks w/ SS316 and TC mods. Haven't found that sweet spot yet using SS and TC. I've tried both 28g and 26g SS316L at various watts/temp combo's.

We're going away for 2 weeks and guess what ... only taking Kanthal coiled toppers with us. I'll gt back to more w/ TC when we return.

One quirk I haven't figured out yet. When leaving the JAC sit for awhile or overnight (using SS316/TC) it seems to hit much harder for the 1st 3 or 4 vapes. Then settles down. I don't know if it's me/my builds or what's going on. Any other newbies to TC experience anything like it.
 

Bronze

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Who would have thought you sub ohm. Is that build for the K5? What wattage are you using and if using TC what setting do you use? Bronze a cloud chaser. :)
Yes, I'm building on the K5. Works great. Subohming doesn't really mean anything in TC. It's no more cloud chasing than a standard 1+ ohm kanthal build. I'm set at 420 F at 20W. The wattage isn't that important. 20W gets it to temp plenty fast.

Out of komplete kuriosity, with zero intention to build one, what gauge wire did you wind, Bronze?

(TC, as I see it, is a surely lovely concept, particularly for those who experience dry hits, or for those who use tanks with no visibility of liquid. I don't see it as bringing anything more to my particular vaping style.)
Oops, forgot to mention it. I am using 26 gauge, 316L Stainless Steel. There are a number of people who don't like fussing around. While I like that TC puts a lid on the temperature automatically it's not like it is a major benefit. I personally have no problems with building. Takes no more time (less if anything). So six of one, half dozen of the other for me.

One quirk I haven't figured out yet. When leaving the JAC sit for awhile or overnight (using SS316/TC) it seems to hit much harder for the 1st 3 or 4 vapes. Then settles down. I don't know if it's me/my builds or what's going on. Any other newbies to TC experience anything like it.
Might be because it's cooking a little longer going from a cold state to set temp.
 
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