Tensioned Micro Coils. The next step.

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MacTechVpr

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If I had a 2.5mm rod I'd prolly try the gizmo again Mac :). But that is a good eye bother. Damn. That set was wound on a pin vice with a coil master rod inserted in it :)

Well your symmetry is awesome and that's the gospel I've been preachin' bro as you know. I think thanks to you and others the word's been spread far and wide on the micro. I still insist tension's the best way to get there quickly and max out wire output while keeping temp's in control. Just turns out tho once ya got the t.m.c. down life goes on. Guess not much sense postin' pics of the perfect 8or9 wind with the same ugly res spec every time, lol.

What would be useful here on this thread are postings and pics on wind and rebuild techniques. Like, what do you use to support an end turn on a dripper or tank during installation? I try to find/use instrument screwdrivers of the same Ø as the bit if the face of the pin vise is too broad for the device (and placement). Stuff like that because you know the wind whether micro or t.m.c. may be perfect but keepin' it that way? Well, that's another matter.

The reason I built sort of a (wood) gizmo quite some time back was because I had been using large Ø twisted pair from the git-go. And I really wanted to find the means to get 'em to go full contact. Req's a lot more strain as I said earlier. These days I'm very quick with the pin vise but control's goin' bad. Also…big deal…I like fat wire and twisted which don't trap well if at all in a pin vise. Have one that'll handle 3.5-4.0mm but no room for wire. And the industrial grade p/v's are not precise or too bulky to use for placement (I don't like to rem wire from the bit, preferring to rake if needed and seldom). Even if you could tension with a coiler, they're far too flimsy and delicately minute to do what I do by hand. Big builds need muscle…that is, leverage. Tension is a multiplier effectively.

As for coilers, really don't see much of a use for them. I can hand wind/form parallels of a reasonable gauge with straight finger pressure on an screwdriver shank with better and more consistent results than a coiler…and faster. In fact, as I've mentioned this was one of the early demo's I gave to retail owners as the background to pin vise winding.

But the misperception has been spread far and wide that the functional advantage of a contact coil is simply its geometry. And I keep pointing out the obvious that the physics haven't changed. Crossed wires are shorts. It's a sea of vaper humanity out there unaware that this can be remedied with strain and the results utterly satisfying to the palate. That's why I'm still here. What comes around, goes around. We've all got our learning curve.

Any takers come and see us. Good ideas always welcomed.

Good luck supe. Great builds.

:)
 

MacTechVpr

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Hey @super_X_drifter just wanted to take a few moments before the Holidays go into full wind…:D…to thank you for all your contributions over the past year and your great input as a friend.

Wish you and yours a wonderful Christmas and New years, as to you all.

Good luck.:)

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super_X_drifter

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Hey @super_X_drifter just wanted to take a few moments before the Holidays go into full wind…:D…to thank you for all your contributions over the past year and your great input as a friend.

Wish you and yours a wonderful Christmas and New years, as to you all.

Good luck.:)

View attachment 516393

Thank you Mac brother. A huge likewise man.
 

SLIPPY_EEL

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Hi guys, really tidy coils!

i was reading a little and heard you having bother with the pin vices and the limit on what size rod they hold, was thinking that you could possibly use a plain cordless hand drill?

i did a couple of tension coils myself the other day, i use SS these days, the flavour is great, anyway, i used a table vice with a suction pad on the bottom, stuck it on the mantle piece trapping the wire, the other end of the wire had a wire vice, my rod layed ontop the jaws of the vice and just held while wrapping :)
 

Aal_

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Hi guys, really tidy coils!

i was reading a little and heard you having bother with the pin vices and the limit on what size rod they hold, was thinking that you could possibly use a plain cordless hand drill?

i did a couple of tension coils myself the other day, i use SS these days, the flavour is great, anyway, i used a table vice with a suction pad on the bottom, stuck it on the mantle piece trapping the wire, the other end of the wire had a wire vice, my rod layed ontop the jaws of the vice and just held while wrapping :)
Pic or didn't happen Slippy :D
 

SLIPPY_EEL

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Aal did you wanna see my coil or the equipment I used? I took pics of pretty much how I do it, well here's the coils but I def think that using an atty where each coil has its own post holes is far better as when I installed these the legs were resting on each other and skewing the coils off centre and even one of the coils opened up a little which I was a bit upset over after all the effort.
image.jpeg
But you can see the wire has no twist in it either.
image.jpeg
image.jpeg
Here I will show what I used anyway, why not! LoL
image.jpeg
image.jpeg
image.jpeg
 

Mactavish

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Nice work! As I've moved onto mostly TC coils these days, I stick with slightly spaced coil builds. Some folks do close contact with various wires and report some success in their TC mods, but from my experience there is no upside, and with all the potential resistance issues you can have in the entire chain, it's one less variable to let enter into the equation/build. However, I still need to use them for my tiny Kanthal builds for my Chalice running on my Reo Mini 14500.
 

MacTechVpr

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Don't see an upside for contact with low-res wire either Mac. However there's something to be said for building rigidity into spaced winds with strain for purposes of installation, maintaining the wind geometry. Having done that ensures a more consistent oxidation or pre-burn of the coil if that's your approach. Since that's done low voltage on TC winds there's less chance of malformation. It works for Kanthal spaced winds tensioned on screw guides. And I use these for some particularly pigmented tobacco's. Strain is a valuable tool and pays dividends in installation of more malleable gauges and wire.

Good luck and Happy Holidays. :)

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Aal_

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Aal did you wanna see my coil or the equipment I used? I took pics of pretty much how I do it, well here's the coils but I def think that using an atty where each coil has its own post holes is far better as when I installed these the legs were resting on each other and skewing the coils off centre and even one of the coils opened up a little which I was a bit upset over after all the effort.
View attachment 517258 But you can see the wire has no twist in it either.
View attachment 517259 View attachment 517261 Here I will show what I used anyway, why not! LoLView attachment 517262 View attachment 517263 View attachment 517264
Well I was interested in the tool. Nice one! It is probably faster and less damaging to my hands than a pin vice lol. Thanks!
 

MacTechVpr

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Forgot to mention it tastes bloody awesome ;)

3mm id ss317L 22g 70w

Rock solid build slip. I may have to try that. Have tensioning problems with 22 and lately more often with 24awg. I kinda dig the 4.2mm coverage area with KGD on this wind (which I've done) but take a peek and comp @ 4.2V…

22x2 7/6 2.78 mmØ = 0.2118Ω (Heat Flux, 72W, 187 mW/mm²)
24x2 7/6 2.82mmØ = 0.3205Ω (Heat Flux, 55W, 190 mW/mm²)

The latter, a fast firing hand wind, stokes. But to me better with Nextel for output overall with the increase in power concentration on 3.3mm. More time before accretion sets in to spoil the vape forcing dry burn or wick replacement. Ceramic doesn't scorch or soil as easily. And easier to clear just vapin' some VG through. Use both but build the latter more often for the ease in gettin' there. Have better luck building old style compression micro just using finger pressure to form the 22guage. Gettin too many micro gaps tryin' to strain those. But with 22 compressed just too much work pulsing to completion with more of a chance of overdoing the oxidation. Just sends the wire hot in my experience. So I guess I'll be trying your method for adding greater strain.

Thanks and Merry Xmas. :)
 

SLIPPY_EEL

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Nice work! As I've moved onto mostly TC coils these days, I stick with slightly spaced coil builds. Some folks do close contact with various wires and report some success in their TC mods, but from my experience there is no upside, and with all the potential resistance issues you can have in the entire chain, it's one less variable to let enter into the equation/build. However, I still need to use them for my tiny Kanthal builds for my Chalice running on my Reo Mini 14500.

I definitely see your point, i went contact as the coils are 3mm id, i need the extra lung fill that i just cant get with smaller id coils, the option would be to go non-contact and lower the id to get the same heat concentration for my flavour but as said at loss of lung fill/length of draw. I'm still kind of new to this low res and TC configuration so any input is definitely taken on board.


Well I was interested in the tool. Nice one! It is probably faster and less damaging to my hands than a pin vice lol. Thanks!

That wire vice has been one of my best buys ever, its been so handy for so many dif builds, i was gonna buy a backup but the place seemed to have sold out since showing mac lol.

Glad to hear you can take advantage of this method Mac, i was also looking at upgrading my vice, putting a swivel inside connected to some strong thick wire going through the handle with a ball or something the other end then you could spin the vice making your wire without having to adjust your hand on the handle, would make life a lot easier and prevent the wire twist :)
 

Mactavish

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I definitely see your point, i went contact as the coils are 3mm id, i need the extra lung fill that i just cant get with smaller id coils, the option would be to go non-contact and lower the id to get the same heat concentration for my flavour but as said at loss of lung fill/length of draw. I'm still kind of new to this low res and TC configuration so any input is definitely taken on board.




That wire vice has been one of my best buys ever, its been so handy for so many dif builds, i was gonna buy a backup but the place seemed to have sold out since showing mac lol.

Glad to hear you can take advantage of this method Mac, i was also looking at upgrading my vice, putting a swivel inside connected to some strong thick wire going through the handle with a ball or something the other end then you could spin the vice making your wire without having to adjust your hand on the handle, would make life a lot easier and prevent the wire twist :)

"EEL", not sure what you build for, but 3mm id, 6 wraps of 24 gauge titanium, in a subtank gives good heat flux. 26 gauge another good option depending on your post distance, etc. Rock solid TC vape.
 
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super_X_drifter

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How many watts do you vape nowadays SXD? your id seems to be also creeping upwards :)

Bro, I was running 1 ohm net 28ga 2.5 mm duals between 25 and 28 watts for the last couple of months. I Just switched up to a single ~2 ohm 28 ga 2.3 mm single at 17 watts and its basically the same vape as the duals. I'm amazed. It pays to experiment. I believe a lot of it has to do with heat up time and slightly more surface area of the single coil by adding a wind or two.

I still run both sides of the AFC wide open and battery life is increased exponentially.

Edited to add: yes, my ID is hovering at 2.3 - 2.5mm but still making tensioned contact coils brotha.
 
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