Errr..TP with Kanthal..??

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xtwosm0kesx

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ijoy asolo just sent me a link to a video showing their asolo mod firing with kanthal wire- to all those doubters i would be wary of dissing it too much. if they can put out a reliable mod using kanthal, ni, and ti thenit will be the real "game changer". that term is used often but this device will merit the use of that term. i am on their pre-order list and will be happy to post everything about it whn i finally receive it.this is the type of development that forces the established players(evolv and yihi to name two) to up their game- and that competition gives us more choices and better products. this is truly the golden age of vaping and we are witness to fantastic new devices every month. now if only my wallet could keep up....


That video shows nothing, and Blokes posts after it explain why perfectly.

Hmmm well that's interesting. I would love for it to work of course. I have to say I'm still a bit confused on a couple of things.

Firstly it would have been a more convincing test if he hadn't kept taking his finger off the fire button every 2 - 5 seconds. Not sure why he wouldn't just hold it down. But it's a prototype board so there could be any number of explanations.

Secondly that really looks like an ohms reader in top left (0.513 etc). If it is, he's seeing a 0.51 coil increase to 0.533 after a power hit of 22W. That's a 0.23 increase which means, according to Kanthal, he heated up a damp coil to a few thousand degrees. Kanthal just isn't meant to increase by 0.2 - hell, a 1.0Ω coil isn't meant to increase to even 0.02 until 600°C.

While TC firing it jumps up by 0.1 or so, which is again meant to be thousands of degrees, then drops back and then mostly fluctuates up and down by 0.01 which is meant to be up to over 800°F, far more than it clearly is. It also appears to be cooling incredibly rapidly - when he sets the cotton on fire with a wattage burn, then goes to TC, the resistance is right back at its starting point already.

Maybe that isn't resistance at all. But then what is it? Is there some other metric that could be measured? Thermal expansion? Thermal conductivity? I just googled those and doesn't seem like it's easy or even possible in this kind of setup, but who knows..

Edit: but no that makes no sense at all, the chip has no direct connection to the coil - all it can possibly detect is resistance. It has to be resistance. But then why does it fluctuate so vastly greater than Kanthal ever should?

As I say, I would love for it to work. This doesn't prove much - well, except that seemingly no special atty is required. Although I suppose that can't be 100% ruled out still quite yet, although there's only two wires visible, and that rough RDA doesn't look like it's going to have a temp sensor in it. So more than likely not a special atty, but not 100% yet.

But yes it's definitely one to watch closely.

Yep.
 

mrmonday

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This is a quote from a group buy for this product which describes how the temperature sensing works:
"The IJOY Asolo 200W Box Mod is the most simple temperature control device on the market. Choose a good wattage for the tank and try several puffs. When you find your favorite flavor, you can press the bottom to tell the device you love this taste, and the device will keep it in its memory. Enter the temperature control mode by pressing the bottom of the big “T”. Operate the temperature control easily by choosing the %’ F from 80%~110%. It is most like the YIHI SX mini temperature control box mod and has a Soft~Standard~Power~ Power plus. The IJOY Asolo 200W Box Mod has 80%~81%~82%……~109%~110%. After choosing a temperature control mode, if you would like to lock the mode, simply press both sides of the big “T” and it will lock that mode. If you want to get out of the temperature control mode, simply press the bottom of the big “T”. The IJOY Asolo 200W Box Mod is the most accurate device for temperature control and the best way to keep your coil from having a burn taste. The IJOY Asolo 200W Box Mod is able to remember the users favorite flavor and continuously offer it to them."
 
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DejayRezme

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    Operate the temperature control easily by choosing the %’ F from 80%~110%.

    Now clear how temperature sensing works! Very simple, easy to operate. Simple enter the %' of F's you give about it! :D

    But seriously (and sorry for trolling a bit) but I'd really wait for reviews before ordering this. It doesn't sounds like they know what they are talking about.
     

    TheBloke

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    It's ok mate I found it. Man that thread is a zoo!!!
    Anyway asolo doesn't work. Nothing more to see here!

    I dunno. It barely singed dry cotton with Kanthal. While it's not TC as we know it, it's something. How practical and important it is in the grand scheme of things, I don't know. It might be more a marketing win then a real life one. But I don't think it's nothing, and it'll be interesting to see how they do it.
     
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    DejayRezme

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    From what I've seen in the latest review video they simply have a kind of "puff counter" or rather "joule counter" that you can calibrate. Which is equivalent to the number of "drops" you vaporize off your wick. After you spend enough energy / drops vaporizing it simply drops down to avoid dry puffs.

    Of course it's utterly rubbish and only works if you always drip exactly the same. It certainly has nothing to do with temperature protection and therefor is a total marketing scam.

    What you could call it is "dripper low liquid alarm". Which might be interesting to some. But it's not TP and not as good.
     

    MegaVap

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    From what I've seen in the latest review video they simply have a kind of "puff counter" or rather "joule counter" that you can calibrate. Which is equivalent to the number of "drops" you vaporize off your wick. After you spend enough energy / drops vaporizing it simply drops down to avoid dry puffs.

    Of course it's utterly rubbish and only works if you always drip exactly the same. It certainly has nothing to do with temperature protection and therefor is a total marketing scam.

    What you could call it is "dripper low liquid alarm". Which might be interesting to some. But it's not TP and not as good.

    BUT how do they do it? How does it work? I highly doubt it only works if you always have to "drip exactly the same" If that were the case you wouldn't be able to run a tank on the device. So that theory is rubbish.

    I'm not sure if they were quoted as being able to actually Temp Control kanthal wire but if they did they should instead call what they do with kanthal "Dry Hit Protection"
     
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    Arvidx

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    So I'm all on the 'temp control' band wagon, which is already a misnomer since it's more temperature limiting as the device is not responsible for any control as to how hard it needs to push to achieve the temperature. After owning dna40 clones the ipv4 and ipv3li and using many others, I've found that the advantage of temperature control per se is more in how the mod now gives you feedback instead of whether or not the damned thing ever burns dry cotton.

    I set my temperature on a dripper according to what temp empties my wick as much as I like, before it drops in production past my tolerance, or lower if I just want a cooler vape. I don't care one bit if it burns dry cotton at the very end, I want it to have a sudden drop off in vapor before anything gets actually dry. That's real world response that lets me have a better vape because the device drops significantly telling me it's dry enough. On a tank I set more to taste and then max out the wattage and if I can feel significant temperature limiting kicking in, I know my wicking is under performing. Usually a little tweak sets it to a smooth result. It maintains a beautiful vape right down to the last drop and I'm always amazed how utterly empty my Zephyrus is when the vape suddenly drops in production again letting me know it's out of liquid.

    The Asolo device could be fully capable of providing this kind of feedback based on a 4 digit or heck they may actually have achieved a 5 digit precision on resistance reading. Now is it a temperature control mod? No but neither are the others really. The only difference is they claim to be achieving a specific temperature and are often very wrong (such as the snow wolf) leaving you to use temps as a guess, where as the asolo has you 'train' the mod as to what the right temperature is, then uses a highly accurate resistance meter and a user controlled percentage, to fine tune how the coil should behave when fully juiced then how quickly to respond to a drying condition.

    I think this is a much more intuitive and likely useful method. I've spoken about how future beginner devices will likely only have a temperature control rather than wattage/voltage which allows the user to turn up and down the heat after orienting the device to the coil. This is a step in that direction.

    I for one am excited by the idea. I hate nickle, well not hate... I conquered it fairly well but the moment I used titanium even before there was a profile... it's similarity to kanthal or nichrome and much higher temperature flexibility made me a quick fan. Now to think Kanthal is back in the game makes me happy.
     
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    TheotherSteveS

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    I think the asolo rep on the the other forum stated somewher that it works better when the kanthal is twisted with Ni! As @Arvidx said, I think this thing is trying to use the small Kanthal TCR as a rough guide along with some user input about what they think therir optimum vape setting is and combining those two somehow..I guess we will find out when someone in the know gets hold of one!
     
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