If you quit smoking for better health, your mod choices just went down from 1000's to about 5

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dr g

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Cannot agree. The Atomizer is what it is and will always be. The Thermal control is an Algorithm attempting to control power output variances to limit Resistance change of a specific material. Thus only Nickel Wire.(at this time)

This has nothing to do with Atomizer type/style/design but only the material of the Coil itself.

So, Please do not use Basically

Basically was more of a hedge than it needed to be. It LITERALLY turns the atomizer into a thermometer.
 

Train2

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That's where I'm at - I like the idea of "Variable Temperature" - but that's not what the dna does.
It's a LIMIT on temp, which is calculated by the resistance change of Nickel.

OP is nonsense, of course.

(Personally, I don't vape high wattage or very low ohms anyway)


It's not actually temperature control. The device reads the change in resistance as the coil heats up. Nickel wire has a fairly high temperature coefficient (the resistance changes a good amount with temperature). Nichrome and Kanthal have lower temperature coefficients, so the change in resistance would be harder to measure for these wires.

An IR sensor would be a great way to control the temperature, except I can't think of a way to do it where it wouldn't get all fogged up by the pg/vg. Perhaps a thermocouple interwoven with the coil?
 

Train2

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The Nickel's going to kill you.


I don't sell anything - and ignore temperature at your own peril!

People warning about the dangers of cigs in the 1950's were not real popular with their message either, so I am in good company!

Heck, Gandhi, Jesus, MLK, and many others devoted their whole life to helping others and got killed for it!
 

dr g

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That's where I'm at - I like the idea of "Variable Temperature" - but that's not what the DNA does.
It's a LIMIT on temp, which is calculated by the resistance change of Nickel.

OP is nonsense, of course.

(Personally, I don't vape high wattage or very low ohms anyway)

Exactly what do you think "variable temperature" would do? Evolv themselves hedge and call their devices temperature protecting/limiting, but make no mistake. There very well is control of temperature. It doesn't automatically go to a fixed temperature but you wouldn't want that in an ecigarette.
 

crxess

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Basically was more of a hedge than it needed to be. It LITERALLY turns the COIL into a thermometer.

Fixed it.

Look, I have several very high end Thermometers - Surface, Air, fluid, Thermal to mention a few. All have some very sophisticated internal components. The Probe tip is the END Game, not the casing. The Coil is the working component in the DNA Temperature Control, not the Atomizer.
To say otherwise is simply sales hype. Fire a coil directly off the DNA +/- connections, even without an Atomizer and the DNA should attempt to control Temperature of the coil. Agreed?
 
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Train2

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What I think variable temperature would do would be to allow me to nudge coil temp up or down like I currently can nudge voltage or watts up or down. What the DNA chip does is REDUCE power IF the coil reaches the MAXIMUM temperature you've set (which it calculates by measuring the resistance and doing a conversion based on the properties of Nickle wire - not by directly measuring temperature).

There IS a difference.
Let's say I want to vape at 400 degrees.
On a DNA, I set the temp to 400 degrees. But I'm at 20 watts. And my 20 watts is only producing 350 degrees. The DNA chip is happy with that - I am SETTING the watts, and LIMITING the temperature.
Variable Temp would (hopefully) adjust power as necessary to quickly reach and then maintain my 400 degrees.

You can simulate this with a DNA chip I suppose, by always having your power setting too high - so that the temp limit always kicks in...I'm not sure if that's how people are using it, but I don't think so. I think people who like it are just happy when the temp kicks in and protects them from burning a wick.

That is a nice feature. It's just not the same as selecting a coil temp to run at.



Exactly what do you think "variable temperature" would do? Evolv themselves hedge and call their devices temperature protecting/limiting, but make no mistake. There very well is control of temperature. It doesn't automatically go to a fixed temperature but you wouldn't want that in an ecigarette.
 
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Train2

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Exactly what do you think "variable temperature" would do? Evolv themselves hedge and call their devices temperature protecting/limiting, but make no mistake. There very well is control of temperature. It doesn't automatically go to a fixed temperature but you wouldn't want that in an ecigarette.

Missed that - but YES, that IS exactly what I'd like to at least TEST in an e-cig!
I don't KNOW that it would be a better vape, but it sounds like a good approach to try.
 

twgbonehead

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Kidding, right? I have no earthly use whatever for any mod that goes over 15 watts, so I'm quite safe with my Vamo and sigelei zmax at 15w, and itaste vv3's, which only go to 11w.

No earthly use for sub-ohming either. Y'all can inhale whipped cream to your heart's delight, but my asthmatic lungs don't and won't go there. I have no use for it.

Andria

Andria,
You've been doing it wrong all these years!












When you inhale the whipped cream, the objective is to not get any of the cream.

Just saying!
 

Angel Eyes

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Set the watts high and the temperature low, and for all practical purposes you've got temperature regulated device.

By the way, I have charred my wick in temperature mode. Premise of thread busted. ;)
this is because you set your temperature limit too high, thereby defeating its purpose, try 400 or below and you will NEVER char a wick! :)
 

Augmented Dog

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That is a very general article that cites no specifics and offers nothing new. It is, in fact, chock full of "could," "may," "might" and " possibly."
The study citations listed are from known, vocal opponents of Vaping. None of the article actually lends credibility to your dire assertions.
About the only thing said in the article that I can fully accept and agree with is the comment that vaping is likely not totally benign. But, we all are aware of that already.
 

Cotay

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Science News is not a peer-reviewed scientific journal. It is a popular science magazine that picks and chooses items that it finds in other science publications. If you link to the journal articles they used for this "hit piece", you will note that Science News often conveniently ignores the conclusions of the originals authors. For instance, one of the journal article they cite for evidence of their positions actually states this as their conclusion:

"Scientific evidence regarding the human health effects of e-cigarettes is limited. While e-cigarette aerosol may contain fewer toxicants than cigarette smoke, studies evaluating whether e-cigarettes are less harmful than cigarettes are inconclusive. Some evidence suggests that e-cigarette use may facilitate smoking cessation, but definitive data are lacking. No e-cigarette has been approved by FDA as a cessation aid. Environmental concerns and issues regarding non-user exposure exist. The health impact of e-cigarettes, for users and the public, cannot be determined with currently available data."

Next time try linking to the journals themselves and determine whether you are reading a "consolidation piece" that picks and chooses statements out of context designed to promote a specific position.

Using this type of non-peer reviewed piece shows that you don't understand how legitimate scientific evidence is published.
 

Train2

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A couple notes from that article -
1 - They didn't ACTUALLY test temperature impact - just voltage. And the increased carbonyls appear mostly at the highest 4.8 volt runs. It's reasonable to assume that temperature is the issue - but we don't know if they were at 400 or 500 or what. They just adusted their spinner to the highest voltage.
2 - The real news from the test is that it seems to be that PG is the issue. Since the high-watt crowd leans towards VG anyway, that's great news
3 - All the tests were done with this, which I'd suspect as a possible source of toxicity, too
volish-clearomizer-crystal-2.jpg


That's a GLANTZ article for god's sake. He's on some kind of twisted all-out campaign to make vaping illegal. And he doesn't care if you've got a Flask or not.


 

Strings

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You cannot go with majority opinion on health/safety concerns, you have to go with science. Just look at how the masses mocked climate change, and yet now every reputable scientist worldwide admits it is here AND WE CAUSED IT...

Ugh, indeed

Your assertion is bogus here, as any climate scientist who makes a statement contrary to the AGW narrative is immediately ostracized. That isnt science, it's peer pressure
 

Augmented Dog

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I think we will be OK with the nickel toxicity at 400 F or below, but I am anxiously awaiting other metal choices that work with DNA 40 temp limiting

You think???
After the "world is ending" premise you posted, I'd think you'd only post what is proved.
Oh, that's right, all of what you've presented thus far falls into the " I think" category.
Thank you for your deep concern. I have no doubt that you are well meaning. However...
 
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