All DNA200s fire down to 0.02 ohms as demonstrated when P.Busardo tried to short one with a screwdriver touching the positive and negative posts and it fired the screwdriver lol
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Titanium wire, vaping and safety
- Thread starter TheotherSteveS
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I have a question that may be your problem because my evic does a similar thing with any coil and the problem is the mod. If you read the evic VTC mini thread there are quite a few people with the same problems. The issue is when you put a atomizer on the evic let's say it locks in at .15 and you lock it and vape for a little while then either when it goes to sleep mode or sometimes instantly it will drop .01 or .02 leading to a weak vape. This may not be your issue I just figured I would let you know to look out for that. The work around that works for a bunch of people with broken evics is to put them in ni200 mode with titanium and drop the temp 100f or so. For some reason the device locks in correctly and stays there. This may not be your case but it would lead to a very anemic vape.
Yeah I'm waiting on my 26g Ti to come in from FT. I hope it is good... In the meantime I built these babies from 24g SS316L since the resistance is higher than Ti
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Guys, I'm reading this thread for an hour now, and I've not get a conclusion yet. Can someone tell me untill what temp is safe to use Ti with temperature control?
The short answer is any temperature you vape at is a safe temperature for titanium, but note I said "vape at". Going up above, say, 800F is not a good idea in terms of oxide production, but the jury is really still out on that as well. If you vape at 450-550F you can assume that it is at least as safe as nickel, stainless, kanthal or nichrome.
I recently received the V2 0.5mm Ti from Stealthvape. Like the original 0.4mm Ti from them, this is again the cleanest wire I've ever received; doesn't leave any mark whatsoever when wiped with alcohol. It also performs great. O
Titanium needs to be washed with rubbing alcohol. I guess water will work but the alcohol will evaporate quicker. You can dry burn Ti to maneuver your coils, but it needs to be pulsed at very low wattage. You should clean it first with the alcohol before building anything. When you pulse it, it will glow blue - that's ok. As long as it's blue. If it hits orange you want to make sure you don't make it glow orange too strong or for more than a fraction of a second. Then use a Qtip to clean it again as a precaution after the coil is built with the alcohol. Look for any white specs - that's the oxidation that you want to remove.
I should add for wattage during the dry burn, I'd recommend starting at 30w and working your way up. Do it in a dark room so you can easily see the blue.
30w? Isn't that too high? I've been reading that the ideal is between 8w-10w...
It depends on your build but yeah, I have to say that that is way too high IMO. I've had 24g 12 wrap Ti dual coils and pulsing at 15 watts I got glowing orange legs that ruined my coils. I would not start at 30 and definitely wouldn't "work my way up" from that lol. Idk how it works for Lord Vaako but like I said, I was carefully pulsing at 15 and it fired up real quick.
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Jeez my bad, you're right - I started around 8-10w but had to move up to 30w. I had that in my head for some reason when I was typing.
I have been doing fused claptons with 26g as the core and I only use 10 watts I would never go up to 30 watts or even close to it. The most I've used is 15 and I even thought that lit up a little to quick for my liking. I would say start at 10watts and pulse 5 to 10 times with 1 to 2 second pulses and if you don't see it turning orange in a dark room then move to 15 and repeat. If you still don't see it turning light orange after that step you may have a problem lol.
I just received my 26 awg unkamen wire, will play with this weekend. What's the best setup on a dna200 device to use? Would be nice if I can just load up a csv file. Also should i dry fire to make sure it's working? If so what settings?
Thank you
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Thank you
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ON DNA200 device: DRY FIRE
CREDIT TO "balazsk" who said:
"Actually it is possible with the accuracy of our mods.
Specific TCR can be calculated to shift the real temperature for dry burning. I have made it for Ti: if you set the TCR to 0.00725 and the temp to 570°F the coil will be about 1100°F I am sure that it's not perfect, the TC algorithm has been developed for wet coils, but it is good enough to have a rough limit."
What do I set the wattage to? Should I also set the preheat?
SORRY. Here is another paste from my notes. As this come up daily I wish a mod would make a sticky of this info.
PASTED from ECF TI THREAD:
Here's the story.
I had a 3mm dia 24 gauge coil Rio Grande Ti wire coil, 0.2 ohms 6 wraps, slightly spaced.
I set the power at 10 watts and pushed the button…heating wasn’t instantaneous but that’s what I wanted so I could be sure I had good control.
First a little smoke…then a glow starting from the center spreading to the outside as with a contact coil.
I was in pretty bright light and my guess is the temp is higher than 1100*F if I measured it but the mod did reach temp limit…
I pulsed it that way 3 or 4 times for maybe a second per pulse
Result
A totally clean coil. Maybe slightly blue…(I started with a shiny clean wire).
Cleaning took only seconds.
My guess is that I could reduce the temp a little in the future…but then I’m not sure I need to.
END PASTE.
Oh, and let me add I think it's wise to turn OFF all preheat and boost settings in Escribe for your DRY BURN PROFILE. You don't want or need anything else going on when you are pulsing!
Thanks. I hope I can figure all this TC stuff out. I'm use to a mechanical and normal micro coils builds.
Do you heat these Ti fused claptons to make them contact coils? Or do you just to see if they heat evenly? My 26g Ti is on the way and I will be making fused claptons but I was going to try spaced first. I don't like dry-burning Ti or SS and haven't had much success with either. I was hoping to just wrap spaced Ti fused claptons, wick, and vape them.
Also, what wire do you use for your wraps? Kanthal or Ti as well?
Here's a pic of my 24g SS316L fused claptons. Came out to 0.09 ohms so I didn't even attempt doing one with my 24g Ti lol.
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I know I've said I like Crazy wire better then Unkamen but since is use the Kanger STM's exclusively the unkamen is a true 26awg and the STM I believe was designed for 26 awg the crazy wire is not as thick the Unk fits in so good with no problems with connection the CW I have to fiddle with to get it captured under the screws never with the Unk so easier to build with.
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