LR atty vs HV atty: Surface area and Watts?
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Too many variables to say for sure.
Gotta take into account things like altitude, humidity, barometric pressure, etc....
Also the way air is pulled through the atomizer system, wicks, and the list goes on.
Ohms Law doesn't account for any of that stuff. Really it doesn't account for a great deal of things going on in heating elements alone, let alone the wicks and air flow and on and on. Even the Darwin doesn't call itself 'adjustable watts'. It is adjustable 'power'. While it uses Ohm's Law as a foundation...and Watts represents the power regulation point...it's still not about the 'Watts'.
On multiple coil cartos. All the coils don't have to be the same resistance. Actually we've just been assuming they are...no way to know unless you crack them open, isolate each coil, and measure them. In the future they might well mix a 4 Ohm coil and a 1 Ohm coil...etc (already experimenting with this I'm sure).
My 2 cents...I put away the measuring spoons in the kitchen ages ago. I've learned that the cake ain't gonna bake the same way on a 80 degree high humidity day as it would on a dry 50 degree day in the same kitchen. To get it right...just have to sense...add a pinch more of this and a dab less of that, a few degrees difference in the oven to make it work right.
That's why mods that let you adjust the power or voltage in some way are worth the extra cost and fuss. Dabbling with your on liquid recipe is a big help too. We add salt and pepper and other stuff to food both to effect how it cooks and smells, as well as over all taste, so it makes sense to open up to doctorin' up yer liquidz.
Which is better...LR or HV? Hmmm....I kinda like both...just depends on the liquid, the weather that day, the batteries I choose to pick up, and my mood.
Gotta take into account things like altitude, humidity, barometric pressure, etc....
Also the way air is pulled through the atomizer system, wicks, and the list goes on.
Ohms Law doesn't account for any of that stuff. Really it doesn't account for a great deal of things going on in heating elements alone, let alone the wicks and air flow and on and on. Even the Darwin doesn't call itself 'adjustable watts'. It is adjustable 'power'. While it uses Ohm's Law as a foundation...and Watts represents the power regulation point...it's still not about the 'Watts'.
On multiple coil cartos. All the coils don't have to be the same resistance. Actually we've just been assuming they are...no way to know unless you crack them open, isolate each coil, and measure them. In the future they might well mix a 4 Ohm coil and a 1 Ohm coil...etc (already experimenting with this I'm sure).
My 2 cents...I put away the measuring spoons in the kitchen ages ago. I've learned that the cake ain't gonna bake the same way on a 80 degree high humidity day as it would on a dry 50 degree day in the same kitchen. To get it right...just have to sense...add a pinch more of this and a dab less of that, a few degrees difference in the oven to make it work right.
That's why mods that let you adjust the power or voltage in some way are worth the extra cost and fuss. Dabbling with your on liquid recipe is a big help too. We add salt and pepper and other stuff to food both to effect how it cooks and smells, as well as over all taste, so it makes sense to open up to doctorin' up yer liquidz.
Which is better...LR or HV? Hmmm....I kinda like both...just depends on the liquid, the weather that day, the batteries I choose to pick up, and my mood.
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Forgive me for yet another question but I am considering what would happen if I were to run a 1.5 ohm dual coil atomizer (Dual 3 Ohm in parallel) at 7.4 volts.
At 1.5 ohms, the setup should draw 4.933 amps at 7.4 volts, with each coil drawing half of this; 2.466 amps per coil. But each coil is still recieving a full 7.4 volts, so even though 2.466 amps in itself is not extremely high in terms of melting coils like a fuse, the fact that each coil is pushing 18.25 watts would probably fry them right? I would like to run this on a variable voltage device ultimately...
At 1.5 ohms, the setup should draw 4.933 amps at 7.4 volts, with each coil drawing half of this; 2.466 amps per coil. But each coil is still recieving a full 7.4 volts, so even though 2.466 amps in itself is not extremely high in terms of melting coils like a fuse, the fact that each coil is pushing 18.25 watts would probably fry them right? I would like to run this on a variable voltage device ultimately...
That is a lot of heat. Wrap your hand around a 40 watt incandescent light bulb (so none to the visible energy gets away) and see how long you can hold it. That's 40 watts.
Even just a measly 6 volts into a 1.5 ohm carto (single or dual coil) is 24 watts.
Even just a measly 6 volts into a 1.5 ohm carto (single or dual coil) is 24 watts.
Credo,
I think the current dual coils have the coils in parallel. Even if not the same, the parallel combination for a 1.5 ohm dual coil will be 1.5 ohms. The ones I have taken apart had the same resistance.
I think the current dual coils have the coils in parallel. Even if not the same, the parallel combination for a 1.5 ohm dual coil will be 1.5 ohms. The ones I have taken apart had the same resistance.
Got it kind of backwards.
Each coil transfers half as many heat-watts (which still is a bit different from power-watts supplied by the battery), not twice as many.
Think of dual coils as running two 40 watt light bulbs instead of one 80 watt bulb. Total watts are still the same, but dissipation of luminance and heat are very different
Also it's possible that both coils are not even the same. I haven't cracked one open to isolate and measure them, but experimentation in this makes all kinds of sense. They could do a 5 Ohm coil and a 1 Ohm coil for a total resistance of 3 Ohms....and so forth.
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Check your math
(use the product over the sum method)
K, the point is there is no reason they can't mix and match coil resistances.
Yes, they are parallel.
This may be true, but the heat they each dissipate will be quite different if they are not the same resistance.
correct, no reason not too. And the results might even be better than what they are doing now. So many possibilities.
Have "they" stumbled on the "best" yet? No way
I personally don't like the idea of a super hot spot making new chemicals. I think there is an upper limit to the heater temperature that is safe to vape. In order to get more "heat" you might need more heater area, better coupling to the fluid, or even more time per vape.
Then we get into "watt-seconds per vape"
Have "they" stumbled on the "best" yet? No way
I personally don't like the idea of a super hot spot making new chemicals. I think there is an upper limit to the heater temperature that is safe to vape. In order to get more "heat" you might need more heater area, better coupling to the fluid, or even more time per vape.
Then we get into "watt-seconds per vape"
Check your math
(use the product over the sum method)
So that would be 5/6 of an ohm for that hypothetical arrangement?
Did I do my math right for my 1.5 ohm dual atty at 7.4 volts?
Except that since they are parallel and both coils receive equal voltage they would end with one of 2 possible scenarios.
In the example of a 5ohm coil + 1ohm coil:
3.7v would produce massive heat and vapor on the 1ohm coil, while the 5ohm coil would probably not even produce vapor.
6v would immediately pop the 1ohm coil, while the 5ohm coil would produce good vapor.*(since they are in parallel, it would continue working as a single coil)
This reminds me of a thought I had a while back about unequal heater resistance in a dual coil.
Where would you put the hotter coil? My thought would be toward the bottom so it had less chance of running dry. The higher resistance coil above.
4 ohms at the top, 2.4 ohms at the bottom.
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Or you could preheat the fluid with the cooler coil before it hits the hotter one...
This assumes both coils use the same materials (size, insulator to conductor ratio, etc.) and that no other resistors, capacitors, or even pulsing circuitry are added into the design. Probably overkill for our application, but someone will probably try it at some point
This assumes both coils use the same materials (insulator to conductor ratio) and that no other resistors, capacitors, or even pulsing circuitry are added into the design. Probably overkill for our application, but someone will probably try it at some point
Ahhh, I see what you are getting at. Someone putting a gun to the head of the KISS method and blowing it away. LOL And you are right, someone will sure enough try it.
That's a thought, and has just as much credence as my idea
I worry about a carto with fuzzy filler, getting hot enough to vaporize plastic, or acting like a little chemical plant making new chemicals. The wet coil will run cooler.
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