Vivi Nova Rebuild tutorial

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mrelwood

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mrelwood

I followed your specifications for ss mesh size and coil size. I used bamboo (not cotton) and I get similar results. Very good vape production and taste. Wicking capability kept up with a chain vape as well. I have been through 4ML so far, very impressive.

You are wellcome! Now let's spread the magical measures! ;o)

I wonder if I could buy pure bamboo twine locally. What kind of stores do you generally get it from?
 

MikeE3

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Well done mrelwood & gdeal! i've been away for 4 days and just catching up. This is a splendid idea. I'm gonna have to try it on my next rebuild. Quigsworth was using this type of technique on a full size SS wick for genisis setups. We dubbed it the Quiqstick.

XzDe7.jpg

MISTer E, there's room at the tying bench for you. Fly tyers love to craft their own gadgets for helping their fingers work feather and fur. Nicely done.
 

WindLvr

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Why not just make the switch to SS mesh entirely? I have had very little troubles with my setup. It was a steep learning curve for me but only because I was trying to learn to roll mesh with a broken thumb. Opposable thumbs are truly unique when you have two of them to compliment each other ;-) Anyways, I followed a tutorial on YouTube for SS Mesh in a Vivi or something like that and my tanks have really started to shine the better I get at rolling a SS mesh wick in a U. Scubatdan has a great video for this technique that I found at Stormy's website in the video tutorials. I'm telling you it's like night and day difference using straight mesh vs silica, hemp, cotton, or whatever else you think you can use that's nontoxic! Here is the video tutorial I used:

 

gdeal

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Why not just make the switch to SS mesh entirely? I have had very little troubles with my setup. It was a steep learning curve for me but only because I was trying to learn to roll mesh with a broken thumb. Opposable thumbs are truly unique when you have two of them to compliment each other ;-) Anyways, I followed a tutorial on YouTube for SS Mesh in a Vivi or something like that and my tanks have really started to shine the better I get at rolling a SS mesh wick in a U. Scubatdan has a great video for this technique that I found at Stormy's website in the video tutorials. I'm telling you it's like night and day difference using straight mesh vs silica, hemp, cotton, or whatever else you think you can use that's nontoxic! Here is the video tutorial I used:

You make a good point. If SS mesh works for you and you like it.. Stick with it. I studied those videos and I like my results with them as well. Thanks for pointing those videos out. They should be part of everyone's primer on how to do SS mesh.

I don't agree with your last statement. I have cotton/bamboo wicks that perform better than SS mesh. But you need to qualify what is good performance. I have 5 of these tanks and I have one favorite ejuice. So i have a bit of headroom to experiment. Each mod that I do gives different results and requires different efforts to build/rebuild. For example, I have found that:

Big 3-4mm slot opening with a 5mm wick of cheesecloth gives me the best flavor and is simple to set up. 5 mins max to rebuild, minimal tweaking. The vapor changes over time as well. I can get the vape to have an almost gooey thick consistency if I work it right between wicking and heat. But this wick creates a lot of epollution backflow and last maybe 4mls until it is toast.

SS mesh is very consistent and reliable, but it can be more metallic in taste than others. Vapor is always smoother but not as favorable.

Cotton, any cotton, imparts a softness to the vape, Bamboo, sort of neutral to woody taste. Bamboo also wicks better than any other material including SS mesh. (This statement might start some controversy...)

Combining a short ss hollow mesh as described by mrelewool with a threaded wick (cotton or bamboo) gives a combined effect on taste, keeping SS mesh vapor quality but also lowers the challenge for rebuildling and reuse. MikeE3' Trifecta, has it own merits as well for ease of use and especially for taste with the over wick. For these SS mesh hybrids when gunk builds up, I pull my cotton, bamboo or whatever, do a quick dry burn, re-thread a wick and I am back in action. The nice thing about the hybrid mesh setup is that most of the gunk builds up on the cotton or bamboo that you are replacing. So your SS mesh and coil stays nice and clean. See MikeE3 picture of his coil. "like a well season skillet". I can confirm the same results.

All of these approaches have a fairly steep learning curve. And some are a real pain in the azz. This thread is titled Vivi nova rebuild tutorial, so that is what we are doing. I have tried to share a number of rebuilds on SS mesh wick builds that were in hind sight pretty much..well a little wacky, but were fun to do. Do I recommend them, no. But it was kind cool to see if i could do it.

http://www.e-cigarette-forum.com/fo...rebuild-tutorial-post7243357.html#post7243357

and

http://www.e-cigarette-forum.com/fo...rebuild-tutorial-post7260661.html#post7260661

I think the point is that there really is no one optimal way to mod this "POS" (read as: cheap tank/atty with great potential but sub par out of the box experience) with a pure SS mesh or other wise. Rant over..no offense meant, just having fun....:laugh:
 

gdeal

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I guess I do. String, yarn, twine, thread... Not clear on the differences as they all translate to the same word in my language.

Ah..ok I understand. This is what myself and others are using: Aunt Lydia's Bamboo Crochet Thread (size 10) Natural. It is typically available at Craft Stores and is available on line as well. It is widely available in the US. Not sure about the EU.
 

mrelwood

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Why not just make the switch to SS mesh entirely?

Because the build quality on those is just way too shoddy! ;o)

I just haven't been able to make it work even after several exhaustive retries. Vivi Nova Mini is so narrow that the ends will short to the center pole. Even if not through a direct contact (I torched and burned liquid for them quite a bit), there is enough area for me to suspect it acting a bit like a capacitor. Also the slot in the head often causes problems when the mesh is put to place. And even when it measured the correct resistance and worked fine for a few puffs, the VTF fell way short from the SS on cotton wick.

Just re-cottoned my head, and here we are again! Very little hassle, very good performance every time. Although the cotton does gunk up and start losing it's wicking properties during the second tank. That's why I'd like to try bamboo. Besides, it makes the best socks!

Aunt Lydia's Bamboo Crochet Thread (size 10) Natural. It is typically available at Craft Stores and is available on line as well. It is widely available in the US. Not sure about the EU.

Thanks. I'll try to look for that or an alternative.
 

Endor

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@ mrelwood (or others that have tried his wick setup)...

The SS is wrapped with what looks like a 2mm center hole, and ends up as a 5mm long "tube" of SS (sits across the head). You mentioned earlier that too much SS is bad (heating it up)... how much SS did you end up wrapping into this tube that works best?

I just picked up some Aunt Lydia's #10 bamboo crochet thread. Any ideas how many threads of this to use through the center of the SS for good wicking? And, how in the heck do you get the threads through a 2mm SS wick "tube" after you oxidized it?

Oh, and thanks for sharing too, by the way!
 

mrelwood

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@ mrelwood (or others that have tried his wick setup)...

The SS is wrapped with what looks like a 2mm center hole, and ends up as a 5mm long "tube" of SS (sits across the head). You mentioned earlier that too much SS is bad (heating it up)... how much SS did you end up wrapping into this tube that works best?

I wrote the measures on the previous page. I use 2cm of SS, rolled on a 1.5mm shaft. 1.5cm of SS could also work well, but I guess the wick would have to be ever so slightly thicker. The coil is wrapped on a 2mm shaft, and the oxidized mesh then carefully pryed inside the coil. 5mm in length sounds about right, as long as the coil fits, and the mesh doesn't touch the ato body too much.

And, how in the heck do you get the threads through a 2mm SS wick "tube" after you oxidized it?

There were great tools demonstrated earlier in this thread. I used a regular sewing needle and thread. Pushed the threaded end through the hole, put the wick (double length, half thickness) in the thread loop, pulled the wick and thread tightly to opposite directions, and carefully dragged the wick through the coil and mesh.

Oh, and thanks for sharing too, by the way!

That's the point here in my mind. You're welcome!
 

MikeE3

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Why not just make the switch to SS mesh entirely? I have had very little troubles with my setup. It was a steep learning curve for me but only because I was trying to learn to roll mesh with a broken thumb. Opposable thumbs are truly unique when you have two of them to compliment each other ;-) Anyways, I followed a tutorial on YouTube for SS Mesh in a Vivi or something like that and my tanks have really started to shine the better I get at rolling a SS mesh wick in a U. Scubatdan has a great video for this technique that I found at Stormy's website in the video tutorials. I'm telling you it's like night and day difference using straight mesh vs silica, hemp, cotton, or whatever else you think you can use that's nontoxic! Here is the video tutorial I used:

Nicely done video and instructions. I see you don't attach NR legs or twist the legs of your coil. Do you have any problems with hot legs or burning the rubber gasket. I tried just the wire legs and always seemed to have at least one leg glowing. If not when the coil is brand new, then after the coil breaks in (get gunked up a bit) when I go to do a dry burn, I'll see one leg glowing before the coil starts lighting up. I now always used twisted legs.

Actually, I'd like to hear from anyone about their coil "legs/leads" and what you do.
 

iKN0WaGH0ST

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Hey guys, don't know if you can answer my question or not. But I got size 1/0 cotton wick off of ebay, and when I compare it to my size#4 yarn I got from walmart, the 1/0 seems larger in diameter. Is there a chance they could have sent me the wrong one?

Also, it seems much more dense, but seems to be wicking just fine. Vapor production seems to be lacking, but I am not sure because I have been vaping a lot lately using my phoenix rebuildables.
 
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