what are the benefits of VV / VW

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divebomber

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I realize there are benefits i just do not understand them ..if you have a 2.4 ohm atomizer if you turn up the voltage what does that do to the ohms? i mean is it all just to change the taste/ amount of vapor of any given juice ? lets say i have a 1.8 ohm atomizer at 6 volts is it the same as 2.4 at 5 volts ? or 2.8 at 4 volts ...i got to go to vape school cuz i just don't get it ...once you find a sweet spot with one juice do you got to look for another sweet spot for another ..( change ohms / voltage / watts ?) for another .. does the ratio pg/vg have anything to do with it ..some people say this juice is the best and the next review says omg i cant stand it ..could it be the ohms/watts/volts screwing it up for the one that hates something he thought he would have liked ?...i guess my question is ( I'm getting a vamo its in the mail ) what ohm should i get ? all of the above ? and play around or can i just get say 1.8 and influence it with volts ..i have seen a chart but cannot make heads or tails of it ....thanks all sorry for my ignorance
 

Sikko

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The resistance (ohms) of the atomizer/cartomizer/clearomizer will not change no matter what device you put it on, or the voltage of said device. Therefore, as you adjust the voltage, it will change the amount of power (watts). So with a low resistance atty you want a low voltage to keep the power (wattage) low. Most people like to keep their wattage around say 5-10 watts for most things. The PG/VG ratio doesn't have a lot to do with it, other than if you are running a higher wattage the coil will heat up hotter, thus using more juice faster. So the thicker juices (depending on what you are vaping it out of) will have a harder time "moving" to the atomizer fast enough to keep the atty from tasting burnt.

When you get your vamo, whatever you are using on it, atty wise, you can play with, you will see once you get to a certain voltage or certain wattage depending on what mode you are in, the juice will start tasting burnt.

I know, probably clear as mud, I'm sure others can explain it better lol.
 

bfitz

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so a good rule of thumb is low resistance low voltage high resistance high voltage ?

In a nutshell, yeah. The rule I tend to follow is the ohm number plus 2 for the voltage. So 1.8 ohm plus 2 would give you around 3.8 volts, that is where you would start and change a little up or down to taste. I just received my vamo in the mail a week or so ago and, being new to the whole vv vw thing myself, I would recommend putting it in variable wattage mode. I have a couple twists that I got first to try everything out and could never really get it perfect. With variable wattage it seems to work better for me and there isn't as much to worry about with ohms, the vamo will change the voltage for you in this mode. I change for 6-9 watts pretty regularly, even with the same juice, just depending on how it is tasting at the moment. After a day or two it isn't nearly as confusing as it seems at first.
 

klynnn

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Most people who don't have any type of electrical background are lost when the talk turns to ohms and resistance, I know I was in the beginning. At first I just remembered lower ohms lower resistance and higher ohms higher resistance and it got me by when I ordered things. If you continue to read and ask questions of the more knowledgeable people here you will learn a tremendous amount. It just doesn't happen overnight you have to try out some of the equip and get used to how it vapes. After awhile you begin to realize hey this is too hot/cool or I have gurgling because of low power to my coil or my juice tastes burnt. This has been a big learning experience for lots of peeps.
 

kiwivap

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Hi divebomber,
You can use variable voltage with the Vamo, or variable wattage. I prefer variable wattage over variable voltage because I can switch from one accessory to another and stay at the same watts. Or I can adjust watts and not worry about calculating whether the volts are ok with the ohms - the device adjusts the volts automatically to the right level.

I can also adjust watts with different juices, and again not worry about volts and ohms being mismatched since it adjusts the volts automatically. Since I have a lot of different juices this works well for me. Sometimes I just change the watts with the same juice - depending whether I want it a little cooler, or I feel like getting the warmer taste. I like some juices at more than one temperature. So I adjust the watts, which is the power, with a simple click or two and vape.

It is easier using variable wattage because you don't have to calculate that the ohms and voltage are matched - when you set the watts the Vamo will read the ohms of your attachment, and set the volts automatically.
 

bfitz

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sounds good bfitz what are you using on your vamo atomizer/clearomizer /nova?

Depends. Most of the time I use a vivi nova, I have a couple juices I really like and they go everywhere with me. I have a couple carto's and tanks that I am trying out, but they just seem to leak so they don't get much love. I also drip when I get new juices or a couple of fruity ones I have that I just couldn't vape all day but still like, and I use 510's for that. I tried the 306's for dripping and they just get way to hot no mater what I do. If you are looking for recommendations I really like my vivi's and would say get a few of those. I mostly use the heads that are labeled 2.4 ohms, although when I check them they are a little off one way or another.
 

Baditude

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The person who created the above Safe Vaping Power Chart also wrote an article explaining resistance, voltage, and watts in the below link. Many people like to refer to the chart as a general guideline in knowing what ohm delivery device to use at a particular voltage or wattage range. It's the simplist explanation in layman terms that I have found:

Guide to Safe Vaping - E-Cigarette Safety | Ecig Advanced Community Blog
 

kiwivap

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The simple answer is with a variable device, you can fine tune the flavor/vapor of your juice. I would recommend setting your Vamo to watts mode, and start off around 6, then adjust up or down until you find "the sweet spot" where you get the flavor/vapor you like best.

Yes. It doesn't have to get complicated. Start at low watts and just click to where you like it. Simple but very effective.
 

Baditude

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The simple answer is with a variable device, you can fine tune the flavor/vapor of your juice. I would recommend setting your Vamo to watts mode, and start off around 6, then adjust up or down until you find "the sweet spot" where you get the flavor/vapor you like best.
Explain to me, if you are going to be adjusting power up or down to find find the "sweet spot", why use watts mode? Why not use the variable volts mode?

I was under the impression that the HUGE benefit of variable power (watts) was to be able to set your preferred wattage, and no matter what resistance delivery device you put on the PV would automatically adjust to the set watts you desired.
 

edking66

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Explain to me, if you are going to be adjusting power up or down to find find the "sweet spot", why use watts mode? Why not use the variable volts mode?

I was under the impression that the HUGE benefit of variable power (watts) was to be able to set your preferred wattage, and no matter what resistance delivery device you put on the PV would automatically adjust to the set watts you desired.

I suggested watts so you don't have to worry about the resistance of the atty/carto/clearo. If you use the voltage mode, you need to take the resistance into account for a starting point. The wattage that you like to vape at will stay relatively the same (a little higher or lower depending on the juice or delivery system) while the voltage will change considerably depending on the resistance of the delivery system.
 

kiwivap

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Explain to me, if you are going to be adjusting power up or down to find find the "sweet spot", why use watts mode? Why not use the variable volts mode?

I was under the impression that the HUGE benefit of variable power (watts) was to be able to set your preferred wattage, and no matter what resistance delivery device you put on the PV would automatically adjust to the set watts you desired.

Hey Bad,
You keep coming on in behind today. Surely you've seen this explained before in all those threads where people discussed variable wattage. edking was being helpful with his advice. The vaper has to start somewhere if they haven't used variable wattage before - the advice was on how to start - start at around 6 watts and work up until they find the watts that's right for them. And yes, they can still stay at the same watts then. I read a post today by some-one who uses RBAs and just swaps them over while staying at the same watts. He doesn't have to worry about them being different resistances. The same can be done with other attachments.

But its called variable wattage for a reason - its variable. So it can also be changed sometimes. The benefit is you don't have to worry about ohms and volts when you change it. Once you use it you get used to the convenience. With variable voltage I have to use ohms law and make sure I'm running at the right resistance for the volts I've set the device at. If I really wanted to do the math I'd switch to variable voltage on the Zmax, since it has both variable voltage and variable wattage. But in my own vaping I prefer watts over volts about 98% of the time. I rarely use the variable volts. I use variable volts for dry burning coils and that's about it. I just prefer adjusting watts, and the rest takes care of itself. I don't want to do math before I vape something if there's a way not to. If you saw me first thing in the morning you'd get why I prefer watts. Its not that I don't have to use math in my life, but for vaping I use variable watts to keep it convenient and easier to use. I have both options on the same mod and I know which I like most.
 

divebomber

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thanks all ..sounds simple ...start out at 6 watts and adjust to taste/heat/cool and that will pretty much keep me from frying attys or burning juice ..this is what i understand from your comments if i have the vamo set on 6 watts with a 1.5 ohm atty the volts will be say 3.5 volts (automatic) the same 6 watts with a 2.5 ohm atty the volt will change to say 4.5 volts (automatic ) and so on ..so all i have to do is tweek/vape and enjoy to my taste ...is it that easy ?
 
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