I agree with that. It will be nice to get hold of some annealed 26 though. My 24g is annealed and so easy to work. The Zivipf stuff is like a bed spring...
Titanium wire, vaping and safety
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I agree with that. It will be nice to get hold of some annealed 26 though. My 24g is annealed and so easy to work. The Zivipf stuff is like a bed spring...
But....titanium makes near perfect springs.
What would Formula 1 be without titanium springs?
Duane
The 26g Spider Silk I've been using has been great. I'm thinking about ordering a smaller gauge to work with in my Zephyrus, I didn't realize how tiny that deck was going to be!Well shiny clean annealed titanium must be great. I'm so anxious to try some 26 gauge
At this point, I'm split between going all in on Titanium (essentially rendering my iStick 50w useless, other than the stock coils I have for the Zephyrus) or ordering some more Kanthal to have around as well.
I already have 28g so 26g will be a nice addition especially if annealed.
Duckle can you enlighten us why SV is referring to 'vacuum annealing' what's different from normal annealing?
Oh and latest gossip says it is certified UNS R50250 what ever that means
Regards
Tony
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Annealing in a vacuum furnace minimizes oxidation of the wire and allows a longer/lower temp anneal which is easier to control so properties are uniform.....compared to a high temp/short time anneal as with a flame etc. A flame works for us but I can't imagine how they would do that reasonably for a large quantity of wire.I already have 28g so 26g will be a nice addition especially if annealed.
Duckle can you enlighten us why SV is referring to 'vacuum annealing' what's different from normal annealing?
Oh and latest gossip says it is certified UNS R50250 what ever that means
Regards
Tony
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Summary...controllable, min. oxidation....useful for large quantities all at once.
Duane
I already have 28g so 26g will be a nice addition especially if annealed.
Duckle can you enlighten us why SV is referring to 'vacuum annealing' what's different from normal annealing?
Oh and latest gossip says it is certified UNS R50250 what ever that means
Regards
Tony
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Looks like it means nothing other than confirming it is Titanium Grade 1
Unified numbering system - Wikipedia, the free encyclopedia "The unified numbering system (UNS) is an alloy designation system widely accepted in North America. It consists of a prefix letter and five digits designating a material composition."
Titanium Ti Grade 1/2/5/7/9/12 UNS R50400 R50400 R56400 R52400 R56320 R53400 "[Titanium] Grade 1 - UNS R50250"
Thx duckle. It's so great just needing to raise your hand and get a strait answer from the teacher
Well I'm going to order some of it when it comes out and report back. Whish they would have it cleaned already... Must be a huge spool
Regards
Tony
Sent from my keyboard through my phone or something like that.
Well I'm going to order some of it when it comes out and report back. Whish they would have it cleaned already... Must be a huge spool
Regards
Tony
Sent from my keyboard through my phone or something like that.
Well shiny clean annealed titanium must be great. I'm so anxious to try some 26 gauge
That's what I'm using exclusively for my Ti coils at the moment - definitely my preferred gauge so far, at least until I start making twisted Titanium. I have 24G as well but haven't tried it yet.
I'm just about ready to do my first dual titanium coil. Any of you guys have any tips/tricks to get the closest possible resistance on two coils. I never got that right with Ni200 and I'm eager to try a new dual coil atty with titanium. This is going to be two 8 wrap 26 gauge on 3mm. The atty has lots of space even though the total volume of the atomization chamber is small.
Duane
Duane
I'm picturing a sweatshop worker who has to stand by a giant blowtorch all day turning the crank as miles and miles (or kilometers, I'm an equal opportunity measurist) of Ti wire are run from one spool, through a flame, onto another spool.
If they are smart they will clean it first if not they will ruin it. Give them a call and let them know.Thx duckle. It's so great just needing to raise your hand and get a strait answer from the teacher
Well I'm going to order some of it when it comes out and report back. Whish they would have it cleaned already... Must be a huge spool
Regards
Tony
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Duane
Measure out two identically lengthed pieces of wire, ideally chosen so that you just coil them and use them without any trimming after coiling. If you have to trim, try and note how many mm you trim and repeat on the other. Ditto try and position the coils with identical overlap from the screw heads so that you end up cutting the same amount off after tightening.
That's all you can do with Titanium I think. The general Knathal trick is to pulse the coils once installed and ensure both appear to heat up identically and at the same time - you can't really do that with Titanium, but can with Resistherm.
The ability to pre-pulse Resistherm until it glows inside-out, exactly as we do/did with Kanthal to ensure a perfectly performing coil whether contact or not, is the main reason I've so far preferred Resi to Titanium, though its high costs (which are effectively doubled because its 29G is so small I now only use it as 2x twisted) mean I'm more likely to use Titanium longer term.
That's all you can do with Titanium I think. The general Knathal trick is to pulse the coils once installed and ensure both appear to heat up identically and at the same time - you can't really do that with Titanium, but can with Resistherm.
The ability to pre-pulse Resistherm until it glows inside-out, exactly as we do/did with Kanthal to ensure a perfectly performing coil whether contact or not, is the main reason I've so far preferred Resi to Titanium, though its high costs (which are effectively doubled because its 29G is so small I now only use it as 2x twisted) mean I'm more likely to use Titanium longer term.
Spaced or contact? If spaced use a screw. That should be easily reproducible. For a 3mm id, you need a M3.5
If full contact, a normal mandrel should suffice.
You probably will need some short pulsing in a dark room to check for consistency.
Good luck
Regards
Tony
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I've only done one dual coil build so far (okay, only one that worked. The other two attempts the coils were too big for my tiny Zephyrus build deck), and I mainly just tried to make sure they were both tight on my coilmaster. I didn't ohm check them individually, but they came out spot on for what Steam-engine predicted.
Edit: Also, as far as getting them to fire identically, I found that if I fired them dry in temp control mode, the center started to turn that nice blue color we've been seeing lately. I figure if they're both "blue-ing" the same amount, they must be firing pretty evenly!
I think I'll do some short pulsing in a dark room just to be sure. I have done that with no problem with titanium before.
I'm making the coils sort of contact but I plan to use a razorblade/twist to get a very small gap between coils. Might be a bad approach with duals but I definitely like the lesser gunk with some spacing.
Thanks Guys
Duane
Dual coil exercise is interesting with 26 gauge Ti. I made the coils on a Coilmaster and they looked pretty much contact. Installed them and measured the resistance as "contact" coils. I got 0.136 ohms...I then did my razor blade/twist thing and checked resistance after each little coil twist. Resistance progressively increased with each little gaping twist till I got a stable 0.192 ohms. I retightened the post screws but ohms stayed constant.
There is definitely some minor shorting going on between coils in the contact mode when the coils are new/clean. That might go away with a little temp exposure but I'm not going to "re-contact" and try that. Just a bit of FYI trivia.
I doubt if the minor shorting would affect anything in real life with contact coils at this resistance level but it's interesting to my small mind.
Now I'm looking for a very dark place. No jokes allowed.
Duane
There is definitely some minor shorting going on between coils in the contact mode when the coils are new/clean. That might go away with a little temp exposure but I'm not going to "re-contact" and try that. Just a bit of FYI trivia.
I doubt if the minor shorting would affect anything in real life with contact coils at this resistance level but it's interesting to my small mind.
Now I'm looking for a very dark place. No jokes allowed.
Duane
I was told the wires are running through a cleaning machine right now so fingers crossed.
Regards
Tony
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