a word about getting dry hits or a burnt taste from a carto in a tank

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andyman97

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Correct me if I'm wrong, but when you take primer puffs and get bubbles coming into the tank, is that not equalizing the pressure inside the tank. I don't see how it creates a vacuum if when liquid is sucked into the carto, air also comes into the tank.
Most of my smoktech cartos work just fine with a few primer puffs here and again. I've had some that refused to keep the carto full, no matter what. Boges work well sometimes, not so well others. Theoretically, they should remain full as you vape without even requiring primer puffs but that is so very rarely the case. So many things affect this. Juice consistency, size of the hole, leaks in o-rings, etc, etc.
 

horton

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Well, I tried Donnah's and Foxfur's suggestions and did not see any air coming into the tank. The tank was empty before starting the experiments, so I put about 2 ml of juice in. No air and no gurgling was noted. The only thing I did different was to put the 0-ring back on the top grommet. The bottom grommet had an 0-ring all along. When I was filling the tank using the syringe and 18 ga needle, I could see bubbles around the needle as I put the juice in the tank -- assuming that was air coming out of the tank as the juice went in. I then removed the syringe from the needle and let it sit for a few minutes to let any excess air out and then removed the needle.
So far so good. No gurgling and it is vaping just fine. The only thing I can figure is that there was a leak around the top grommet and the 0-ring stopped it. I need to buy some extra grommets and 0-ring's to have on hand. I've been using the tank for about a half hour now with no problems.
It will take a little while for me to use up the juice in the tank, then I'll refill and hopefully everything will stay the same.
Thank you so much for all the help. I never would have figured this out on my own.
 

Foxfur

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NodNerb - That's exactly is going on. Once the relative pressures are equalized to atmospheric norm there really can't be any flow. At least with Newtonian fluids with specific gravities above that of water such as the glycerols that make up e-juices. Were it water or lower SG fluids (alcohols, ethers, etc.), there would be a bit more wicking due to evaporation though it would be very small. Gravitational leakage down the inlet would be more likely I would think.

Horton - Yay! good to hear it!

Say, does anyone know if Mad Vapes DCT tanks are MAP's. From looking at YT videos, they sure look similar, at least if I remember the right videos. I'd check right now but I have to drive 15 miles into town to hit WiFi (we are still on dial-up service out here in the boonies...).

The think I love about vaping is all this neat paraphernalia without having to mess with illicit substances :)
 

mahv

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I use the madvape tanks and now and then I get a carto that won't fill properly. I just take a couple of draws without activating the battery and no more issues. I notice this happens more when I am on a hardcore vaping binge, but under normal use it works fine. No hole in the side of tank or screw.
Yes, it helps indeed and if you want to wet the carto real well, you need to close air holes from battery connection side with short carto condom and take couple drags creating vacuum inside the carto-it helps a lot, lots of ear bubbles inside the tank, what shows juice getting in. Sure, you need to stop before getting the juice into your mouth, but for me this method works best of all:)
 

horton

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Yeah, it's great to have this tank working right finally. It's now been roughly 1.5 hours and still going strong. I'll see a bubble every so often coming out of the hole in the carto. But no gurgling and I can hear that "snap, crackle, and pop" in the carto when I push the fire button -- a very nice sound....lol.
I'm not sure about those tanks from MV..... I thought the MAP tanks were different somehow, but can't say for certain. So many of these devices are so close in design to each other.
Too bad you only have dial up where you live, but it must be beautiful out in the country. Sort of a trade off. I've become so used to high speed service I don't know what I'd do if I had to go to a slower connection..... guess that is called being spoiled....lol.
There sure is some neat paraphernalia out there..... I'm willing to bet that some people are trying to figure out how to make it work for other purposes. I'd swear I came across a site that sold devices made especially for using "herbal" products -- sort of re-purposed atomizers you could load with stuff other than juice.
 

horton

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I would like to know the 0-ring sizes too. I also am curious as to what the best material to use is. I think rubber is out, but I have not seen any references to vinyl ones. Wonder about some silicon ones I saw on FleaBay? But again, need to make sure of the sizing.
Would be nice if there was one place where you could buy the tubing, grommets, and 0-rings from. I've seen the Amazon.com page with the grommets and polycarbonate tubing, but nothing about 0-rings.
 

Foxfur

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Horton - Yep, it's a trade-off. We don't get cable, TV antenna reception, the trees are too tall for a shot at satellite TV, no cell service, the county only plows when we have 2 or more feet of snow, and dial-up spped maxes out at 24kbps!
However, we live on 4000+ acres so there's always something to do. I built a trap range with an electric clay bird launcher and a nice li'l footswitch :)
We can shoot handguns, rifles, shotguns, and our cannons (20mm, 37mm, & 75mm) in our quarry or anywhere else anytime we want to!
 

horton

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That sure sounds nice, Foxfur. How I miss living in the country. Used to farm in southern Ohio and had the same trouble with various utilities, but the beauty of where we lived cancelled out the problems. If I ever do come to visit, I'll definitely warn you ahead of time..... don't want any of those cannons pointed at me!!! LOL
Still vaping strong on the tank. I probably won't need to refill until tomorrow. I definitely need to get some spare grommets and 0-rings. Just need to make sure about what sizes to get. I'd like to do like Donnah does and have an "arsenal" of tanks for different flavors.
Take care and have fun at the shooting range!!!
 

horton

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Sounds like you have to tools and material necessary to make some neat tanks. I really like tanks that have threaded tops, but have no way of doing that currently. The other thing I'd love to be able to do is like on the Arry V3 (think that is the right version) where the atty to battery connector is mounted in the bottom cap. You just have to screw the carto in, fill up, put the cap on, and off to the races. That is the best design I've seen.
I'd love to come across a nice, small used hobby lathe to make some projects. That would be great. The milling machine would be icing on the cake!! I'm jealous.....LOL
 

andyman97

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horton, if you're interested in an affordable tank solution, I'd strongly recommend syringe tank mods. Super cheap and easy to make. All you really need is a pipe cutter and a hammer. Check out David's Syringe Tank Mod on youtube. This is where I got the idea. I ordered the same syringes he mentioned and picked up a small pipe cutter from Lowe's for $10. What I've just started doing is tapping and threading holes in the syringes for filling and venting, when needed. I've been using a 10-32 threaded allen headed stud and, while it doesn't make an "air tight" seal, it seals well enough so that I don't get any leaks. This is good because I don't have to remove the stud to allow air into the tank to keep the carto full. It's been working really well and I've yet to have any of the 10 tanks I've made leak even a drop.
 

horton

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Thanks for the idea, Andy. Sounds like a very inexpensive solution. There are so many ideas floating around in my mind, it's hard to settle on one design. I like certain features of many tanks and really wish I had the equipment to make my "ultimate tank". But, what I'd probably be doing is chasing the vaping Holy Grail.....lol. Some of the prices for tanks just amaze me. Wanting multiple tanks, I don't want to be paying lots of money for them. I need to just settle on one thing and learn to do it right. Then I can move to different projects from that. (I wonder if my doctor has noticed the missing syringes from the exam room yet? LOL)
Really appreciate your post. I'm going to check out that video.
 

andyman97

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I'm with you, for sure. The syringe mod is, by far, the most effective/efficient design I've come across, albeit it's not the prettiest but I don't care at this point. Looks are useless to me if it isn't functional. Having a dependable, no-leak tank is what's most important to me and this little setup works great. Good luck.
 

Stereomojo

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You can vent any tank or piece of poly just by drilling a hole inoutwhat ab the side of the poly and putting a screw in it, wrapping a piece of Teflon tape on the screw end also helps !!!


Hmm...haven't tried this but....what about leaving the screw OUT and just a little piece of tape over the hole?
 
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