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ProVari Variable Voltage Mod

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mwa102464

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Oct 14, 2009
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Thanks to the beta testers for the pics. Have any of you used a AFS v2 with yours? I am concerned about the v2 fitting directly without an adapter because of the depth of the reservoir.

I'snt gonna happen Elendil, Adapters will be needed for sure, looks like a 510-901 though may do it depending on the depth, so only one (MAYBE)
 
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jimho

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I was wondering if the AFS would fit too... wish I had one to test ... also heard there was a new v3 AFS in the works but last i looked there were no details....

Mabe someone in the Ny area has one to check against?

I suggested a matching JD too in one of my feedback notes to David ... so I'll fourth the suggestion.. of course for after the production units ship. .
 

nickf41680

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Slightly off topic, but in response to a couple other posts... Since when do LR attys = longer battery life?

The laws of physics are LAWS of physics... not optional good ideas of physics...

The lower the resistance, the closer it looks like a dead short to the battery and the faster it drains.

Period

I have experimented with 2 diff ohmed attys repeatedly and on all of my experiments I have gotten better battery life with a LR atty.... Not trying to fight physics here just stating what is happening...


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jimho

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you're right that you can't ignore the laws of physics but there's lots to consider if you want to start down that road... conservation of energy would demand looking at the load vs voltage vs current as well as loss as heat generated through the regulator- and the efficiency of the atty (which as far as I know has only been measured by observation, not scientifically) ...

This may make you feel a little better- Part of what I found (looking at my settings) i used 3.5V with the 1.7 atty (7.2W)... that's a little less power than the 4.2V I used today with a 2.2 ohm atty (8.4W) .... so there's part of the explaination.... I went through the same amount of the same juice from the same batch of juice that I mixed myself. With the 1.7 atty the juice was tasting burnt above 3.5 Volts... I don't think this accounts for the difference though ....

Now, consider that both current and boost effect the efficiency of the regulator, the less efficient the regulator is, the more power from the battery will be lost as heat.... without seeing the efficiency charts on the chip, it's altogether possible that the lower voltage boost with 1.7 atty was allot more efficient than the 4.2V volts with a 2.2 atty ....

Last but not least, you also have to consider efficiency of attys vary... if they didn't, we wouldn't be talking about 801's, 306's and 510's and who has the best and why the cisco LR's seem a bit hotter etc - point being different attys with the same load burn differently- .... If you understand your physics you'll have to agree that just because an atty has a 2 ohm load doesn't mean it burns cooler than a 1.7 ohm atty at the same voltage - it's been observed that the opposite can be true... Likewise, a 60 Watt bulb doesn't necessarily creates more light (in lumens) than a 40 Watt bulb- point being there are other variables at play inside the atty that effect the vaporization .... Perhaps that Greenhouse One 1.7 is just a more efficient atty than my others are?... perhaps the fact that a 1.7 atty has half as much coil length as a 3.5 ohm atty means something too- specifically that the same amount of energy released as heat on a shorter wire is more likely to burn juice than a longer wire releasing the same amount of energy as heat? Perhaps its just because the atty was brand new? I already noted that the draw was significantly lighter - so I'd wager that there are other things at play too .......

The problem here is I really have too many variables at play and too many unknowns to draw any scientific conclusions-

So you can argue about the laws of physics all you want- they don't contradict the observation that using a 1.7 atty at 3.5V lasted allot longer than 2.2 ohms at 4.3V - they just suggest that not all the energy from the battery gets transfered to the juice and there are many things effecting the transfer of energy.

I'll run the 1.7 again tomorrow and let your know exactly what I find (but I won't be counting how many times I hit my PV)....

FWIW- I prefer to run a 3.5 atty because I think i get more/better vapor, and I don't care if I have to swap batteries and carry a spare.....
 
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jimho

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@Elindil-
Just thinking- the AFS v2 may not be a problem here.
While the juice well is deep, the top of the outer part of the connector (on the beta unit) appears to be level with the top of the well- in other words, the atty connector is not recessed below the top rim of the juice well...


Never the less, in case you were wondering, juice in the well does get sucked back into the atty during use.
 

debb

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I was wondering if the AFS would fit too... wish I had one to test ... also heard there was a new v3 AFS in the works but last i looked there were no details....

Mabe someone in the Ny area has one to check against?

I suggested a matching JD too in one of my feedback notes to David ... so I'll fourth the suggestion.. of course for after the production units ship. .

sold my afs..a week ago...didn't think to wait til i got the pv....but the vapemate works great...:)
 

mwa102464

Resting In Peace
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Oct 14, 2009
14,447
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Outside of the Philadelphia Burbs, NJ & Fla
you're right that you can't ignore the laws of physics but there's lots to consider if you want to start down that road... conservation of energy would demand looking at the load vs voltage vs current as well as loss as heat generated through the regulator- and the efficiency of the atty (which as far as I know has only been measured by observation, not scientifically) ...

This may make you feel a little better- Part of what I found (looking at my settings) i used 3.5V with the 1.7 atty (7.2W)... that's a little less power than the 4.2V I used today with a 2.2 ohm atty (8.4W) .... so there's part of the explaination.... I went through the same amount of the same juice from the same batch of juice that I mixed myself. With the 1.7 atty the juice was tasting burnt above 3.5 Volts... I don't think this accounts for the difference though ....

Now, consider that both current and boost effect the efficiency of the regulator, the less efficient the regulator is, the more power from the battery will be lost as heat.... without seeing the efficiency charts on the chip, it's altogether possible that the lower voltage boost with 1.7 atty was allot more efficient than the 4.2V volts with a 2.2 atty ....

Last but not least, you also have to consider efficiency of attys vary... if they didn't, we wouldn't be talking about 801's, 306's and 510's and who has the best and why the cisco LR's seem a bit hotter etc - point being different attys with the same load burn differently- .... If you understand your physics you'll have to agree that just because an atty has a 2 ohm load doesn't mean it burns cooler than a 1.7 ohm atty at the same voltage - it's been observed that the opposite can be true... Likewise, a 60 Watt bulb doesn't necessarily creates more light (in lumens) than a 40 Watt bulb- point being there are other variables at play inside the atty that effect the vaporization .... Perhaps that Greenhouse One 1.7 is just a more efficient atty than my others are?... perhaps the fact that a 1.7 atty has half as much coil length as a 3.5 ohm atty means something too- specifically that the same amount of energy released as heat on a shorter wire is more likely to burn juice than a longer wire releasing the same amount of energy as heat? Perhaps its just because the atty was brand new? I already noted that the draw was significantly lighter - so I'd wager that there are other things at play too .......

The problem here is I really have too many variables at play and too many unknowns to draw any scientific conclusions-

So you can argue about the laws of physics all you want- they don't contradict the observation that using a 1.7 atty at 3.5V lasted allot longer than 2.2 ohms at 4.3V - they just suggest that not all the energy from the battery gets transfered to the juice and there are many things effecting the transfer of energy.

I'll run the 1.7 again tomorrow and let your know exactly what I find (but I won't be counting how many times I hit my PV)....

FWIW- I prefer to run a 3.5 atty because I think i get more/better vapor, and I don't care if I have to swap batteries and carry a spare.....

Much agreed, good post Jimho
 

mwa102464

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As for the AFSv2 it is a so so and not so great unit in my honest opinion, I have used them since introduction and there are much better vapes out then this unit, looking forward I hope the AFSv3 is vastly improved upon, even more so that the group that has put together this Provari which seems to be a very well built PV comes out with a juice delivery system of there own simply because VV with juice delivery is becoming the Ferarri of PV's the way I see the future in this marketplace. If you have the best PV with VV delivering juice to it this will lead the pack for sure and delivering juice in a fashion where there is no hassle with leaks, O-rings, special Atty's and so forth but a plug and play type device and the new Provari seems to be working towards one of the top PV's on the market so maybe they will see this to be the case and give us the ultimate adventure with an add on for juice delivery for this PV or come out with another that is designed around this and using everything they have in the current PV and some but this is the future to have it all in one unit the way I see it.
 

DC2

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Jun 21, 2009
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If you have the best PV with VV delivering juice to it this will lead the pack for sure and delivering juice in a fashion where there is no hassle with leaks, O-rings, special Atty's and so forth but a plug and play type device and the new Provari seems to be working towards one of the top PV's on the market so maybe they will see this to be the case and give us the ultimate adventure with an add on for juice delivery for this PV or come out with another that is designed around this and using everything they have in the current PV and some but this is the future to have it all in one unit the way I see it.

Not to be captain of the Punctuation Police or anything, but that is one long sentence you got there!!
:)
 

MonsterKenny

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Mar 23, 2009
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In my opinion, I've found out feeding systems like the afs is more than a pain than what it's worth. In my situation of everyday vaping, dripping is easier for me. I always had the problem of the afs leaking on me. Although I'm looking to get a vapemate for driving.
I personally do not think you would need a liquid system for the pro vari. It would simply take away the beauty of the device.


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Shel

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Although I'm looking to get a vapemate for driving.
I personally do not think you would need a liquid system for the pro vari. It would simply take away the beauty of the device.

I was going to ask this question, and this is the perfect lead in...

How will most of you use your ProVari?

Drip?
Carts?
Juice Feed System?

Just wondering how others plan to use their ProVari....
 
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