Evolve DNA 40 clone temp control - first look :)

[matie33]

BTW, even geniue dna40 isnt that precise with temp, i see somewhere test on i think infrared camera, this camera where you have lcd and you see real temp, and dna40 hava about +-30F of setted temp showing on dna screen.

[robby]

Jan 31, 2015 17:51:30 GMT @letsavit said:

Jan 31, 2015 17:47:04 GMT robby said:

No, I am not sure it is checking less times per setting. The chances are one is just putting out a bit more power that the other, I would just back it off a bit, either power or temp or both

Ok mate, yea know heat you mean, 430f is just a setting, thought I'll just have a little test, usually running different juices on each device anyhow...ie all have slighty different settings for each juice/atty. seems to working alright....

Might even be worth taking the batteries out and putting them back in. It seems to be a reset but remembers what it was set at.

[Deleted]

Jan 31, 2015 17:55:06 GMT robby said:

I think it`s just a setting. I have never got hung up on settings, if it`s burning , turn it down, if you want a bit more ooomph, turn it up

Just done an edit above mate....yea I'm use to the settings of the USA DNA40.....

[matie33]

Found at ecf

"As promised yesterday here is a quick test I did today.

RDA used was a veritas. 28g ni200 coil. 9 wraps around a 6-32 screw.

I tested on 2 mods. A hana modz mini with the older firmware (no Celsius), and a vaporshark rdna (newer one with Celsius and larger screen). Both devices were set to 25watts and 430*

Both devices fluctuated the temp +-30 degrees while firing. My hands aren't the most steady so trying to keep the thermal imager and devices steady to get a good reading was tough.

I did notice though that when the wick was drying out, the fluctuations got more extreme. I was seeing some peak temps in the 480-490 range and the display was showing almost no wattage output. I'd say it did it's job as the wick wasn't really scorched at the end of the tests.

First photo, the hana mod read the base resistance as .11ohm


Second photo, the vaporshark read the base resistance as .12ohm

[matie33]

also via all this knowledge which we know now about kangxin vf thanks to robby and other members, i think for this price ~70$ its best choice for clone of dna40, also vf are pretty too;)

[robby]

I once bought an infra red temp senser from Maplin in a sale, it was so cheap I bought it, must dig it out, haven`t seen it for years though

[Greigster]

I have spent this afternoon checking at what point will it burn the Japanese Cotton.
I cleaned the rebuildable deck of the Kanger Subtank Mini in the ultrasonic cleaner and with the cotton still wet with water I fired it for one minute on a 0.16 ohm ni200 .25mm. coil. at 20w
Started at 420f and worked up by 10f increments, each for 1 minute.
From 440f upwards, the cotton was bone dry and it was not until I reached 500f that it gave the mere wisp of a burnt smell. So right up to and including 490f , the cotton was protected from burning.

I had thought that cotton burnt at above 420f.
I have been using it at 420f and have been getting a very cool vape, I now feel safe to increase the temperature upwards without burning.

[matie33]

dna40 are not only for not burning cotton, its more for dont produce bad think at some certain point when liquid are start to boil, liquid on some temperature can brake into some bad molecules, that are toxic.

[Greigster]

Recoiled a Kanger Subtank OCC coilhead with .29mm. ni200, 8 wraps around 3mm gave me .20 ohms although "Steam Engine" told me 8 wraps would give me 0.14 ohms.

been playing with the numbers and at the moment I am on 390f at 30watts and that is a much warmer vape than anything I have tried so far.
Will play some more over the weekend and report back.

[Greigster]

Jan 31, 2015 19:23:43 GMT matie33 said:

dna40 are not only for not burning cotton, its more for dont produce bad think at some certain point when liquid are start to boil, liquid on some temperature can brake into some bad molecules, that are toxic.

I understand that matie33 but we will not know the toxicity of home made liquids. We can only judge what we can taste, and whilst it tastes good...........

[Deleted]

Jan 31, 2015 19:17:51 GMT Greigster said:

I have spent this afternoon checking at what point will it burn the Japanese Cotton.
I cleaned the rebuildable deck of the Kanger Subtank Mini in the ultrasonic cleaner and with the cotton still wet with water I fired it for one minute on a 0.16 ohm ni200 .25mm. coil. at 20w
Started at 420f and worked up by 10f increments, each for 1 minute.
From 440f upwards, the cotton was bone dry and it was not until I reached 500f that it gave the mere wisp of a burnt smell. So right up to and including 490f , the cotton was protected from burning.

I had thought that cotton burnt at above 420f.
I have been using it at 420f and have been getting a very cool vape, I now feel safe to increase the temperature upwards without burning.

Was you testing for burnt smell or scorched cotton? When I first got a DNA40 I think the cotton started to mark very slighty at 440f.....I'm not too worried anymore if I can't taste it, was vaping Afro D while walking the dog one cold morning at 470f, was nice, like a warm swig of whisky....

[Greigster]

Jan 31, 2015 19:36:02 GMT @letsavit said:

Jan 31, 2015 19:17:51 GMT Greigster said:

I have spent this afternoon checking at what point will it burn the Japanese Cotton.
I cleaned the rebuildable deck of the Kanger Subtank Mini in the ultrasonic cleaner and with the cotton still wet with water I fired it for one minute on a 0.16 ohm ni200 .25mm. coil. at 20w
Started at 420f and worked up by 10f increments, each for 1 minute.
From 440f upwards, the cotton was bone dry and it was not until I reached 500f that it gave the mere wisp of a burnt smell. So right up to and including 490f , the cotton was protected from burning.

I had thought that cotton burnt at above 420f.
I have been using it at 420f and have been getting a very cool vape, I now feel safe to increase the temperature upwards without burning.

Was you testing for burnt smell or scorched cotton? When I first got a DNA40 I think the cotton started to mark very slighty at 440f.....I'm not too worried anymore if I can't taste it, was vaping Afro D while walking the dog one cold morning at 470f, was nice, like a warm swig of whisky....

Both @letsavit and cotton was unmarked upto and including 490f but at 500f, a barely noticeable change in colour.

[tim26]

The way I see it is , if it's a evolve chip or a clone there is no telling how accurate the temp setting is . There are too many variables in the set up to be consistent. I will carry on using dna 40s and the temp limiting clones and setting them to how I like to vape , as I have been doing for the last couple of months . Let's face it if we were still smoking the only choice we would have is what brand to buy .

[Greigster]

I fully agree tim26. it is just a number and we can experiment to find our own sweet spot at whatever the combinations.

[matie33]

for sure, but if i can avoid some health negative side of vaping and still getting good full flavor vape, why not? all we know that vaping is safest than smoking, but still its not healthy, and i think we all should keep on vaping but with less risk as possible.