Dual coil cartomizers

[AttyPops]

Ok. So it's not really even related to the number of coils, just low resistance.

In essence true. Of course, YMMV. Devices vary. Vendors started this with seeing high return rates on eGo type units using 1.5 ohm atties. And the batteries were still good (when dissected), but the mosfets (circuitry) failed, as I understand it. This is all hearsay I'm repeating 3rd hand. Some users have reported premature death of eGo type units (unsure which ones) too. Don't forget that vaping habits count. "Chain vaping" constantly may heat them up faster than more causual vaping. Some say stay away, others say "Bah Humbug - I love 1.5 ohm LR's"!.

Basically, if you take 2 3.0 ohm coils, put them in parallel, you net out to 1.5 ohms. It's the final ohms that count.

I don't know about 1.5ohm single coil. Does anyone make those? I'm seeing the warning for 1.5 and 1.25 ohm DCs.

I usually use 2.0 ohm LR single coil and am now trying 1.5 ohm dual coils on an Ego. No problems so far and it works really well, but I'm worried from these warnings about long term damage to my batts. Don' want to kill em all!

Who knows. I'd try to stay at 2.0 ohms or higher as long as it worked for me. Devices vary. They could make manufacturing changes to allow for 1.5 ohm stuff too. Risk it or don't. All this e-cig stuff is changing so fast, and with few standards and testing.... like I said YMMV.

I can't wait to see what the "carto of the month club" comes up with next month. lol.

 

[Pav]

All this e-cig stuff is changing so fast, and with few standards and testing.... like I said YMMV.

That's for sure. I'm thinking to finish up this DC carto I'm using now and see how long it lasts. I'm using it on an older EGO battery I have so not the end of the world if it takes a dump. Thanks for the info.

 

[mwa102464]

I feel it's with out a doubt that it's the chain vaping and over heating the batts that blows the mosfet connection on the Ego Type Batts. However it baffles me why it doesn't seem to happen as much or I haven't seen many if any at all that have blow an 1100mAh one while using an LR anything especially a DC Carto. ? what's up with this ?

I also wonder when if at all will someone produce and dual coil Atty I think that would be an interesting piece to the Atty puzzle ?

 

[Boodle]

The 1.5-2.0 Dual Coil Cartomizers rocked my world. I was only a dripper. I couldn't stand the taste of the cartos. I believe all the suppliers carry the same brand 'Smoke Tech'. Got mine at vapingzone for 7.99 for 5 after buying from Nhaler. Also got some of the clear dual coil cartos but haven't tried them yet. They're a buck more a pkg. Same thing, just clear Love the low ohm dual coil cartos at 3.7v, 5v and 6v. Took my experience to a new, wonderful level. Good luck!

 

[Dmorr123]

WOW!!!! Lots of info for me in this thread. I'm loving it!!! I guess I'll put the 1.25 DC's up and stick with 2.0ohm dc's for now. I just started vaping and dont want to risk anything I just bought. Thanks Guys!!!

 

[swedishfish]

The 1.5-2.0 Dual Coil Cartomizers rocked my world. I was only a dripper. I couldn't stand the taste of the cartos. I believe all the suppliers carry the same brand 'Smoke Tech'. Got mine at vapingzone for 7.99 for 5 after buying from Nhaler. Also got some of the clear dual coil cartos but haven't tried them yet. They're a buck more a pkg. Same thing, just clear Love the low ohm dual coil cartos at 3.7v, 5v and 6v. Took my experience to a new, wonderful level. Good luck!

I like them but they're a little more fragile. You can't sit on them.

 

[xxsammyxx]

i hear they are really good.

 

[Siarek]

got a 5pack of these in the mail, can`t wait to get my hands on them after seeing all these positive reviews

 

[MelloRed]

I'm using 1100mah eGo batteries with the 1.5 ohm dual coil cartos. I love them. I've messed with dripping at home, but it didn't really add anything IMO. It was much less convenient and messier though that's probably due to my newbness. Didn't care for the flavor transitions on the atty when I want to change between very different flavors either. I'll probably get some 2.0 ohm dual coils next time I need to order based on the feedback here, so thanks.

I will say, I get less use out of my dual coils than most. They either clog up or get a burnt taste in 2-3 days. From what I've read here, this is probably mostly due to using dark TV liquids a lot. I've ordered some Boge single coil cartos in the last week and used them some. Little difference IMO except they seem to give me a bit less warm of a vape and obviously hold less juice. The only advantage was that I could use the cone for my eGo on the single coil cartos without reducing the draw whereas I had stopped using the cone with the dual coils because the airflow seemed too restricted. In the last couple of weeks I've been trying to fill the cartos before I go to bed, let them dry a bit, then use them the next day and that seems to give me an extra day out of them. I haven't tried this long enough to determine anything conclusive though. I'm saving up some used ones that have clogged up to see how much luck I have cleaning them.

 

[earthpig]

^Has to be the darker fluid.
I ran ~13ml through one, but in the end I had a lower coil burn on me. It could have been my fault, however, from running a paper clip through it to clear the hole out on numerous occasions. I think I dislodged the sock on the lower coil.

 

[Antoly]

Those who say "only resistance matters" are not exactly right. Yes, only resistance determines what wattage (amount of heat produced per second) will you have with the given battery's voltage. But also the size of the coil matters a lot, I.e. What matters is "wattage per square millimeter plus coil's square". Dual coils are just two regular resistance coils in parallel. So they have double wattage plus double square but the same wattage per millimeter comparing to regular resistance coils. LR coils must be made shorter or thinner to achieve low resistance, so they have higher wattage and lower square, so their wattage per millimeter value is much higher, this means higher temperature, but smaller square of the surface producing vapor.

 

[AttyPops]

I don't know anyone that says that. My posts were discussing battery drain and eGo-Type mofsets frying. Others, have discussed performance aspects. I agree..... performance must be different with the DC stuff. Some say they clog faster, others like the warm, but not too hot vape.

I use atties! lol. Kinda dual coil already. 3.0 ohm tho...since 5 volts.

Maybe someday we'll come up with a coil rating along with resistance rating.... Maybe you know of one "the X factor" for heat->e-juice/square mm per second? There's probably some industry standard for heating coil performance.

 

[Dmorr123]

I was looking at an ohm calc and ran some numbers and was wondering if I should just get a vv mod so I can get down to around 3v for a good vape (not to hot as to burn all my juice). Is this correct? It works out to about 7.2 watts. I really want to use these 1.25ohm DC cartos i have and the VV mod would be a nice addition to my small collection.

 

[Nomoreash]

I was looking at an ohm calc and ran some numbers and was wondering if I should just get a vv mod so I can get down to around 3v for a good vape (not to hot as to burn all my juice). Is this correct? It works out to about 7.2 watts. I really want to use these 1.25ohm DC cartos i have and the VV mod would be a nice addition to my small collection.

I think the VV idea is great. Much more versatile and you don't have to worry about matching ohms.

I don't think you're going to be satisfied with setting it at 3.0v...if it'll go that low....with a 1.25 DC Carto. They perform better around 3.7. 3.0 would be pretty uneventful. But with VV it wouldn't matter, try it then adjust it, as with everything you'll use.

 

[leannebug]

Ok. I'm a little confused....
(first of all- I don't even know what a mosfet is )

(I'm currently using my duals on my 900mah VGOs)

But my question is this: if we shouldn't use them on the egos/vgos and they won't work on the mods.. Then what the hey are we supposed to use them on?!?!

I have egos/rivas etc in: 650, 750, 900, 1000
Reg and XL batts and
Mods in: 3.7, and 5v

Help please? I'd rather not kill anything.


Sent from my pod

 

[swedishfish]

You don't know what a mofset is? What's wrong with you!

I'm using mine on one of my 1000mah batteries. I bought two and I'll see if it kills the battery faster.

I'm loving it!! Well, except for when I sat on one and closed one in the door when my dog was dragging me out of the house. He walks me a couple times a day.


I don't have a clue what a mofset is!

 

[AttyPops]

Sorry. We throw that term around a lot. lol.

It's actually not a very accurate term... should probably say "power mosfet".... MOSFET is just a type of semi-conductor technology. A power-mosfet is a switch.

Think about the Hoover Dam. It has big gates for the water flow.... So, do you think that someone goes out to the dam and turns a REALLY BIG wheel to open and close the gate? Probably not. They put a motor on them, and have a small lever in the "control room" that turns the motor on/off. So a little switch controls a "thing" that moves a bigger thing.

That's why we use mosfets in mods... little buttons. The little buttons (like on the eGo) would MELT/break if all the electricity went through them. A mosfet is a switch that is turned on by a smaller switch. The electricity goes through the mosfet, not the button (well, most of it).

Even the power mosfets have ratings as to how much electricity they can take before they overheat and fry.

As far as DC's.... the 3.7 volt mods should be fine, I would think. The eGO stuff... may depend on the ohms and the vaping style... but risk it if you wish. I've seen warnings, but I'm not sure for what ohms. I think MV had some warnings for certain ones. The all-mechanical mods in particular should survive it, since they don't have a mosfet.

 

[swedishfish]

I was joking.. I really do appreciate all the info and the time people take to explain things.

 

[AttyPops]

I was looking at an ohm calc and ran some numbers and was wondering if I should just get a vv mod so I can get down to around 3v for a good vape (not to hot as to burn all my juice). Is this correct? It works out to about 7.2 watts. I really want to use these 1.25ohm DC cartos i have and the VV mod would be a nice addition to my small collection.

And this is a good example. Let's see. 1.25 ohms. What v-voltage? 3.0? OK... so that's like you said...7.2 watts and 2.4 amps. (note how the amps are higher due to more current draw with 2 coils... some power supplies/batteries won't put out 2.4 amps).

So if the mosfet can take intermittent 7.2 watts and not fry... great. If not... pffft! How do you know? You don't. OTOH if the power source won't put out 2.4 amps, you won't actually get that much power, but it may stress the batt.

 

[AttyPops]

I was joking.. I really do appreciate all the info and the time people take to explain things.

Cool. But now leannebug knows.....she's in the mosfet club.