New studies find carcinogens in vg and pg at high temps, even in tootle puffers

[Eskie]

what's the longevity of an average tc board?

Longevity on a generic inexpensive board? IDK, how long does it usually take to burn out a cheap mod? A higher end dna or YiHi board? Longer, BUT, just like vaping, they haven't been around long enough to give you good long term reliability data to point to. Given warranties are for a year on a dna, you know it should be good (or serviced) for that long.

 

[Zutankhamun]

lol, I have 2 single batt dna75's and wouldnt mind a few doubles or triples some day but all that fiddling with escribe sent me back to my wismec/eleaf boards quick. and now that I got some hohm tech mods those get used less and less.

Just kidding. I'll stick with mechs for sober, awake times. Regulated for sleepy and drink times.

I'll pay more attention when a guy who sells tc boards isn't the same guy advising me to purchase tc boards to save me from carcinogens.

 

[Eskie]

Another day when work hours are too long and I can't catch up on posts but I made a little discovery today, some home made science, i want to pass along that might be useful.

I'm using the Arctic Fox firmware on both a pico and vtc mini. the display's are set up to show the max temp and max watts reached on each puff in TC mode. When my rda wick is saturated I was seeing max watts but lower a temp than my max temp. When all the free liquid is absorbed by the wick the temperature of the coil starts to hit the limit but the watts needed to do that go way way down. Today on break I check the read out after a puff and BOTH the watts and the temp are high. It didn't take long to realize I hadn't changed the wick for several days longer than usual and the readouts were telling me the wicking was becoming less efficient. I just got home and rewicked and after a few puffs I'm seeing behavior that's associated with a fresher wick. By trial and error I found I prefer a fresh wick about twice a week or every 10-12 ml. It is startling to see numbers backing up my perception. This is science we can do. All you need to check my results is the firmware (free), a compatible device and a rebuildable atomizer, preferably an rda. The firmware does have a learning curve. Once you get how it works it's easy but patience advised.

Science. Yup, it works.

 

[mikepetro]

what's the longevity of an average tc board?

In almost 3 years I have lost 1 out of about 12, and that was because I dropped it on stone tile.

But.... It depends greatly on who is building the enclosure.

 

[Fozzy71]

wow, this thread moves right along. 4 or 5 pages behind after 29+ pages.....

ok all caught up......

skipped the last 4 or 5 pages.!

 

[cigatron]

This is entirely a guess but, at some point the rate at which you're vaporizing liquid will surpass the rate at which your wick can supply the liquid. Maybe at that point the temperature spikes so high that you bypass the boiling point and reach the thermal breakdown point?

That's my take on it too. I don't think the reactor/test vessel was pressurized to achieve vapor temps above the boiling points of the liquid. I think the wicks were drying out and causing thermal over run.
Here's something else to throw into the mix, we are producing vapor in a lower than atmospheric pressure in our atomizers. Lower pressures in mtl attys than dlh attys.
Wouldn't that effectively lower the boiling point of the liquids.
Sorry if this provides ammunition for the tootlers.

 

[puffon]

what's the longevity of an average tc board?

My rDNA40 lasted 16 months.

 

[Sugar_and_Spice]

BTW, most of this information came out of:

Committee on the Review of the Health Effects of Electronic Nicotine Delivery Systems (ENDS): An Information-Gathering Workshop
2/21/17 - Welcome : Health and Medicine Division

Click the PLUS buttons to see the collection of about 20 videos:

Considering the source.......yeah, like the FDA doesn't lie.....Would like to see real world demos' of how these results were actually achieved......not yet convinced.

 

[DPLongo22]

30 pages in two days! Not bad at all.

Have we approached the, "...and in conclusion" point yet?

 

[Mowgli]

what's the longevity of an average tc board?

I killed the screen in one of my SX350j Boxer mods by dropping in on hard tile.
It faded to black over the course of a day. Good thing I had 7 backup boards. Now 6.
The board croaked in my blue Boxer after over a year of daily use.
Disappointing but that's why I have backups.
I bought my gold Boxer from a mechanic that got so much grunge in it he let the magic smoke out. $40 for a dead $250 mod. Add board and VT 510 = SHAZAM! $70 Boxer mod.
...backups...

OLED screens have a 10 year shelflife whether they're used or not.
I sold off half of my backup RX200 mods when I found that out and bought a couple of REOs and another big mech squonker. I hope I'll be around to see the last screen fade to black but also hope we can still just order another new mod at that time.
Support Cole/Bishop.

 

[zoiDman]

That's a good observation. A piece in the process of getting a handle on this business.

Did you try doing extra long drags, or chain vaping. Be interesting to see whether you were able to hit temp control doing that stuff.

Here ya go...

Just an Update.

OK... I did a Fresh build on my Subtank Mini. It was 316L 26ga 3mm Coil @ 0.35 Ohms. Put it on a eLeaf Pico with TC set at 420F and 16.0 Watts. e-Liquid is 20%PG | 80% VG Unflavored. Muji Cotton Pancake wicking was flavored with Watermelon/Strawberry DIY. Airflow is set to 35% Open using a Toptank Mini New Style Base.

With my normal 5 ~ 6 Second Hit, on 30 Second Intervals (6 Hits Total), the TC never came on.

Doing a 5 ~ 6 Second Hit, on 5 Second Intervals (6 Hits Total), I did get the TC to come on after the 3rd Hit. And TC did Kick in Very Quickly on the 4th and 5th Hit. On the 6th Hit, TC was on about at the start. And the Normal Flavor had diminished. Not Burnt Tasting. Just Over-Used and in need of Rest tasting.

Also, I was able to get the TC to come on if I did Long Back-2-Back Hits with No Rest Interval between Hits.

Also have a Mild Nic Headache. And am in Need of a Big Glass of Water.

 

[cigatron]

Yeah you can.

I'm using it in Ni mode (because of the coils I have) and have had it set at both 75 watts and at 25 watts (now).

But....it's still temp controlled. It's just about how much current it dumps into it...but it still ends up at the same coil temp as far as I can tell.

I get a "temperature control" message pretty much every puff.

So I'm not sure what your post meant. I guess. What were you testing? Maybe because you had it set so low at 16 watts?

I guess I don't care how many watts it dumps into the coil per ms as long as it regulates the temp. And as far as I can tell, in TC mode, it ALWAYS regulates the temp.

YES! You got it.

 

[cigatron]

what's the longevity of an average tc board?

I started buying evolve mods as soon as the dna200 was released. Not sure exactly when that was. I own 8 dna mods in various wattages now and have never had one die.

 

[Lessifer]

Longevity on a generic inexpensive board? IDK, how long does it usually take to burn out a cheap mod? A higher end DNA or YiHi board? Longer, BUT, just like vaping, they haven't been around long enough to give you good long term reliability data to point to. Given warranties are for a year on a DNA, you know it should be good (or serviced) for that long.

In almost 3 years I have lost 1 out of about 12, and that was because I dropped it on stone tile.

But.... It depends greatly on who is building the enclosure.

My rDNA40 lasted 16 months.

See, I told myself I would never buy another mod that could die and become a brick. That's the primary reason I switched over to mechs. Now, if it turns out that my 22w 3s draws are overly unhealthy for me, I might reconsider. I'm going to need some actual evidence of that first though.

 

[mikepetro]

See, I told myself I would never buy another mod that could die and become a brick. That's the primary reason I switched over to mechs. Now, if it turns out that my 22w 3s draws are overly unhealthy for me, I might reconsider. I'm going to need some actual evidence of that first though.

I get it. Electronics "feels" more fragile.
They are just like mechs, you can get good ones, and you can get junk.

My way around that was I learned how to build my own mods. When I started vaping I was loath to spend the cash required for top of the line, and was also scared the FDA might try to take the stuff away. So I went on a quest for self-reliance. First I learned how to DIY juice. Then I started learning to make Mods.

I have a bunch of TC boards stashed, so I can make more mods. But dont think for a second that I wont make an unregulated flashlight mod if I have to, TC or no TC, I will vape for as long as I choose to.

 

[cigatron]

@zoiDman , @Lessifer and others who have a new or renewed interest in TC vaping and are technically oriented this thread is very useful and informative.
TC beyond Ni200: Nickel Purity, Dicodes; Ti, SS, Resistherm NiFe30; Coefficient of Resistance

A word of caution, be prepared for brain pain.

 

[Eskie]

I have a bunch of TC boards stashed, so I can make more mods. But dont think for a second that I wont make an unregulated flashlight mod if I have to, TC or no TC, I will vape for as long as I choose to.

Yeah, as long as Maglite stays in business, there's always the what's old is new again approach.

 

[Lessifer]

I get it. Electronics "feels" more fragile.
They are just like mechs, you can get good ones, and you can get junk.

My way around that was I learned how to build my own mods. When I started vaping I was loath to spend the cash required for top of the line, and was also scared the FDA might try to take the stuff away. So I went on a quest for self-reliance. First I learned how to DIY juice. Then I started learning to make Mods.

I have a bunch of TC boards stashed, so I can make more mods. But dont think for a second that I wont make an unregulated flashlight mod if I have to, TC or no TC, I will vape for as long as I choose to.

Oh, I'm not worried about being without a mod, I have plenty of quality mechs that will last forever, with plenty of spare parts.

As I said, if it turns out there is something wrong with the way I vape, I'll reevaluate then. If that happens, hopefully the mods will still be around. Of course, I'd want a dna tc squonker.

 

[zoiDman]

@zoiDman , @Lessifer and others who have a new or renewed interest in TC vaping and are technically oriented this thread is very useful and informative.
TC beyond Ni200: Nickel Purity, Dicodes; Ti, SS, Resistherm NiFe30; Coefficient of Resistance

A word of caution, be prepared for brain pain.

Thanks cigatron.

I followed that thread for quite awhile. And there is a Tremendous amount of Good Information in it.

 

[mikepetro]

Oh, I'm not worried about being without a mod, I have plenty of quality mechs that will last forever, with plenty of spare parts.

As I said, if it turns out there is something wrong with the way I vape, I'll reevaluate then. If that happens, hopefully the mods will still be around. Of course, I'd want a dna tc squonker.

Oh gawd, another one of "them"......
I have seen some nice compact DNA squonkers though, just not my cup of tea.