Dual Coil Cartos

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six

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I'm not a carto guy. I've been around carto users and listened to a variety of complaints, so I never felt compelled to try any. But, the giantomizer for my eGo batts showed up and i decided to try it. The poor experience had me wondering if all cartos sucked and if I could expect all tanked cartos to suck too. So, I went on a small buying spree.

I bought several different cartos from several different places and I've been checking them out. Most of them, I used two in a box of five and threw the rest out (all the usual problems - wicking or leaking mostly) but out of all I tried, two really stand out. The LR Boge and the Dual Coil 510 mega cartomizer. Color me impressed with both... but since I got my dual coils from madvapes, I'll just talk about those:

First, they look like any other 510 carto (a little longer than some because these are mega holding somewhere around 2ml). They're a steel tube wrapped in a sticker and they have a tube of pollyfill wrapped around a straw on the inside (or at least that's what it looks like - I didn't tear apart). The filler is recessed quite a ways and covered with a silicone washer with a hole in the middle (pull the washer out to fill, of course). These are "drip the sides and rotate" to fill. I don't think the condom method would work well due to how far the filler is recessed.

They don't dry out easy while chain vaping. And the draw is very comfortable. As a test, I took 8 big long draws in a row, The carto was extremely hot on the outside, but I never got a dry hit or burned the filler. I can't say the same for many of the other cartos i tried. most of those went dry and burnt at 5 or 6 long drags in a row.

They look just like any other normal carto. But, their performance is impressive in comparison to everything else I tried. They get hot fast and deliver very warm vapor for a great throat hit. They also produce more vapor than any other carto I tried. The flavor stayed good longer than any thing else except for the aforementioned Boge LR. They do a great job of thorough atomization. (not many people talk about that on ECF, but some attys and cartos aren't so thorough and generate wetter vapor with larger vapor molecules). They do a thorough job of atomization so they also do a great job of nicotine delivery.

If they hold up for a few fillings and a couple of top-offs, I'll buy them again. In fact, I could see these becoming my "normal" vaping method. I peeled the sticker off one and popped on an aluminum drip tip and it really looks sharp on my rough stack. So, they look nice with my new favorite mod, they vape exceptionally well, they deliver nicotine like champs, they have a comfortable draw, and they produce good flavor consistently with an excellent throat hit. What's not to like?

I guess the only two drawbacks are that I don't know an easier, cleaner way to fill them and they do get crazy hot if you chainvape a few drags in a row. - For the consistently good vaping experience they've given me so far, I can put up with a little filling hassle and the occasional hot tube touching skin if I'm careless.
 

six

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is the throat hit pretty hard core on these or are they on par with other cartos?

The TH is stronger with these than anything else I tried except the Boge 2 ohm. It is very similar to that. Flavor was also very similar to the Boge. But the dual coil puts out more visible vapor - noticeably more from a fresh battery in my rough stack (my batteries come off the charger above 4v).

From an eGo battery, there was no comparison. The dual coil put out way more vapor than the Boge. I understand I shouldn't be going below 2 ohms on the eGo batts, but I wanted to see. I prefer them both at or above 3.7 and the boge almost compares at that voltage, but the dual coil still puts out more vapor (just not as big of a difference between the two as there was at lower voltage)
 
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six

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The one I tested was about 1.66 ohms. But it's a little mind boggling because you could slap one of these on a 7.4v unit and they work without burning out. I watched a vendors video on them and he vaped these cartos on all the normal voltages from eGo bats to 3.7 to 5v then 6v and finally 7.4. Such a low ohms circuit shouldn't be strong enough to take 5 volts very well let alone 6 and 7.4v. I'm too lazy to look at the calculator for the watts, but it has to be an extraordinary amount of energy at the coils. Even dividing the outcome by 2 to account for each coil, it's still a large amount of energy dissipation.

I have to add something non-technical: Unless I absolutely fall in love with my map tank when it arrives, I think I'm going to park my ego tanks and megas and all the ego batteries and just use these dual coil cartos as a day to day thing for a while. My favorite thing about these is how very well they are replicating the consistency, throat hit, and temperature of an analog at 3.7 to 4.1 volts. This is as close to taking a drag off an analog as I have experienced since vaping.
 

Antidevil

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I just wanted to throw out there that I got some dual coils from another vendor, and they do not work on 6v for me with 2 Tenergy rcr123a 3v batteries. They just do not fire at all. They work fine at 3.7v of course. I was a bit disappointed, I wanted to see how they worked at 6v, and I don't really have the money to mess around with any other 6v battery combos that would fit in my Omega that would be able to use these. I do wonder if they would work if I could get the output down to 5v instead, though, or if they made a higher resistance dual coil.
 

six

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Revisiting this... I have to add that these dual coils are not all created equal. The ones with the green looking wire coming out the top are wonderful. the ones with the copper colored wire coming out the top are junk. I had 2 with the copper wire in the first box. The first one was just weird. It would get hot and I could hear the popping and spitting just like the others but it produced almost zero vapor. I blamed it on the juice but I was wrong. I've used the same juice in another one since then and it was fine. The second one with the copper wire worked OK for a couple of hours and then plugged up. I took that one apart. The filler material in that one looks a little different. It swelled up when it soaked up liquid and the center hole is completely mashed shut from the swelling.

I had 1 with the copper colored wire in the second box. It acts like one of the coils isn't working. It's hard to explain because the symptoms are much like the first one I mentioned - It gets hot but doesn't produce vapor. This one doesn't get nearly as hot as that first one did. Even at 6.0v it gets fairly warm and produces a little wisp of vapor, but it doesn't get anything near as hot as any of the good ones or the other bad one I mentioned got.

I've got three more boxes on order. I hope I don't run in to any more of the copper wire ones.
 

six

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Thanks Hoogie. -- I didn't notice the bottom (I might have cut too high with the pipe cutter to look at the wire at the base). the only visible difference I saw between good ones and bad ones was the color at the top. Regardless, it won't stop me from buying them. 30% bad so far is sort of unpleasant, but I'm getting 7 good refills with dark juices and more than a dozen refills with clear juices, so the excellent performance of the good ones makes up for it. -- And the ability to take a 1 second drag at 6.0v and get a great hit makes these superior to just about everything else I have in my collection as far as the "analog-like experience" goes.
 

BWG707

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Well finally the third Dual carto that I tried did not have the nasty taste. I was almost ready to cut my loses after the first two cartos tasted so bad they were useless. Just to add these had the copper colored wire showing at the top. Now that I got one working I'm somewhat impressed. You don't need to hit them very hard to get a good hit and they give a good TH. The taste is alittle muted, I get a better taste using Boge standard 510 soft tipped. The Mega Duals will last longer per filling than the regular 510 cartos. So far I'm one for three with these cartos and I have two more left, not a very good ratio. I'll try the other two and draw my conclusions whether these are worth buying more or not. Even if my last two Dual Cartos work right with no bad taste that's still a bad quality ratio- 2 out of five, but we'll see.
 

six

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I can't multi-quote for some reason... sooooo...

@BWG707 - the flavor will improve. They do break in and get better. The second and third fill they seem to really get going. And, yeah. Quality Control on these just sucks. They have varying amounts of filler (had one stuffed so close to the top that the rubber plug didn't even fit all the way in, and I am using one right now that isn't 60% full of filler) - some get hot as hell and don't produce any vapor (haven't quite figured that out even after dissecting a few that acted that way) - and some seem to have one bad coil. But the ones that work are the closest thing to using an analog that I've found - lots of hot vapor immediately so you can take short pulls and still get a lung full... and using them above 4.5 volts, they just get better.

@wolfstone5 The plastic ones behave the same. They aren't going to leak like a clearo because of the filler. The filler and coils are the same in the plastic tubes as the steel tubes. The plastic ones that are even lower ohms are harder to run at HV but otherwise seem to perform identically as the 1.5 ohm version. I personally can't see the benefit to the plastic ones because you really can't see the juice level like a clearo... I'd guess they are cheaper to manufacture, but I can't find anything beneficial about them use or performance-wise.
 
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