I have no dog in this fight. I will be waiting to see what the Farsalinos study produces. Hopefully he will test Ni coils as well. If you think Ni coils are an acceptable risk based on Nichrome, then by all means vape away. Why would I care? We are all entitled to our own opinions, conclusions, and actions.
Evolv Technology Owners Discussion Thread
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No it is not. Really, truly, it is not "simply water vapor."
There is water in the exhaled vapor, one study measured it in 2011, from a cigalike, and I think it was somewhere around 60% water, but I'm not sure how accurate the study was. The percentage may also be different in 2nd and 3rd generation devices--I haven't seen any tests yet.
That's the problem. We don't know for sure. I've seen many speculations about possible dangers of chromium in kanthal...
We can't really compare Ni in gums (or food) to Ni in vapor--which we inhale directly into our lungs.
Imeo is using titanium wire (Ti) in his new device. Is that any better? I wish Dr. Farsalinos did a study comparing all kinds of wires used in our coils. I've seen a study where Cr and Ni levels were elevated in vapor, but they were still lower than Cr and Ni levels in ambient air.
So, if you vape in Los Angeles, your e-cig vapor is cleaner than the air you breathe....
http://www.e-cigarette-forum.com/fo...ttes-toxic-metals-exposed-2.html#post14050944
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I order the Hana 40 this morning. If i die, I'll let ya'll know
How about letting us know what you think after you get it in hand......
EDIT: here is a link to the latest datasheet for the DNA40:
http://www.evolvapor.com/datasheet/dna40.pdf
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Interesting thing happened in the latest PBusardo video while he was reviewing the SquapeR with a Ni coil and the DNA40. He had it set to temperature protection of 400F and it didn't really hit that well. So he upped the temp to 450F and only then he was happy with the vapor and hit. But 450F is beyond the flash point of cotton, so he would not be protected from dry hits?. Another interesting bit in that video is the resistance of his 10-wrap Ni coil, which was just 0.15 Ohm. Are Ni coils really that low resistance? And what's up with the funny taste he mentions? Check out the video, it's quite interesting:
Nothing odd about the temperature or ohm rating.... and the way the temperature protection works to throttle temperature as the e-liquid leaves the wicking is amazing.. a lot of safety built in as compared to a mech mod, variable voltage mod, or a 100 or 150 watt mod without temperature protection....high wattage/high temperature doesn't equal a better vape....
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I'm a low wattage vaper as well. But what I find remarkable is that the vaping temperature of the coil even for moderate vapers seems to be really high judging from the video above. Note that PBusardo has the wattage set to 15W. Obviously, he is not getting the 15W when dialing in temperature control at 400F, since going to 450F he gets more vapor and flavor (we don't know whether that still throttles the 15W he has set). Yet, he seems to be getting a pretty good vapor production. That is quite amazing. I hope he will make a video in which he correlates temperature with wattage. That, combined with the Farsalinos study, should give us a good indication of what the safest vaping habits are.
He did. You should watch the whole video, there's a lot of information about the Evolv DNA 40 in it.
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Wicks can get better after some use. His wicking may have been a bit slow to keep up, thus the throttling and low vapor he experienced. Finding that ideal wick length/thickness on a new build may prove challenging but once dialed in for your different devices , it should become second nature.
It's normal to set temperature to 450+ sometimes, it's an average across the whole coil and you use higher temps with higher VG juices. There can also also some difference between coil sizes. You still don't get dry hits. One thing you learn is that the dry hits we were getting before were WAY higher temperature than we realized.
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Αs you may know, i am currently testing another temperature-control device, which i have in my hands. Fortunately, i am expecting to receive a DNA 40 device, after long waiting time (understandably of course, that was a period of intense work at Evolv). So, once i receive it, i will test that too. The problem with the DNA device is that the nickel wire has a very low resistance, thus, i will not be able to compare the results with low-wattage vaping (e.g. ego batteries or anything below 10 watts). My purpose was to compare the temperatures and emissions of temperature-regulating devices vs conventional devices.
For the wires, we have the lab and equipment to perform tests on wires. Unfortunately, we do not have any funding. The idea and protocol of testing wires is ready since last year. But we cannot proceed. It is a pity, because we could easily find the most appropriate wire, which could be used even in large scale production without any problems and without elevating the cost of the products.
It seems that we will not even reach our target for the current crowdfunding, because the response and participation-contribution from the e-cigarette industry is until now disappointing.
For the wires, we have the lab and equipment to perform tests on wires. Unfortunately, we do not have any funding. The idea and protocol of testing wires is ready since last year. But we cannot proceed. It is a pity, because we could easily find the most appropriate wire, which could be used even in large scale production without any problems and without elevating the cost of the products.
It seems that we will not even reach our target for the current crowdfunding, because the response and participation-contribution from the e-cigarette industry is until now disappointing.
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