Darwin...Is it really different?

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AngusATAT

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So Mutt and Jeff err I mean Angus, after a month of having the Darwin Prototypes do you find yourselves still using them or have you gone back to your other pv's? Has the magic worn off or is all still Disneyland? Just curious.

It's still my main mod, and gets the most use. I don't think that will change when I give it away and start using one of the production models instead. It's great with a VapeMate.

I still rotate through my other mods, too. No sense in keeping them if I don't get any use out of them. My Buzz with the Dripper is still a great combo. I have a couple of other VV and 5v mods that I still enjoy, and even some 3.7v mods that are nice with LR atties.
 

MikeDeason

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Mar 4, 2010
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This has been a real interesting read with lots of educated and not so edumacated people posting great info.

I like it and have the cash to drop, however I've come to the conclusion that a mod has to feed juice for it to be worth anything; 18650 batts and 510lr atts are cheap, so as long as I can get juice to the atty w/out dripping I'm happy.

Nice job on the device though.
 

sgtdisturbed47

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Aug 18, 2010
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The Darwin is a cool mod, no doubt about it. Looks are great, the design is unique, and it's something completely different.

The downsides I am seeing, though, is that it will definitely be for a small niche, or more accurately, a niche within a niche. Quite risky for a big investment. The first niche is the higher-heat users. More often than not, people can't handle the higher heat of LR atties or 4.5+ volt vaping. But, there is still a target market for such a vaping experience. I love 5v and LR vaping. I can't use a 2.8 ohm atty on a 3.6v battery. Not enough heat for me.

The niche within the high-heat niche is those who want to adjust the heat. Honestly, I don't see the sense in adjusting it. Maybe for different juices, but even so, it's not that much different. I would end up paying for that feature, when I would never use it. The same goes for all other variable-volt devices.

If the mod was smaller, like the size of a pen-style, then I could see the niche growing much larger, but the size of the "box mods" out there turns a lot of people away. If it's designed for all day use, then it needs to be a lot more pocket friendly and not so boxy.

Just my 2 cents.
 

REGGAEGEEK

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The niche within the high-heat niche is those who want to adjust the heat. Honestly, I don't see the sense in adjusting it. Maybe for different juices, but even so, it's not that much different. I would end up paying for that feature, when I would never use it. The same goes for all other variable-volt devices.

For me the ability to adjust the voltage is much more than a just way to affect flavor. VV is the bomb! I can order almost any atomizer and get it to perform by tweaking the voltage. Every atty is unique and with VV i just tweak the Voltage a few times until i get it the way i like it and life gets good. As the atty ages or gets dirty i just bump the Volts a bit and whamo! back in business. Want a bit more heat from a particuliar atty not doing so well? Tap up the Volts and good to go. Got some LR attys just a bit too low, bump Volts down and move on. Got a juice not working too well on flavor, try down in V a bit then tweak up a bit... sweet spot,,,, stop. IMHO I wouldn't vape with anything else....now i am just waiting for my ProVari and i won't even have to use a meter to make the adjustments anymore....
 

IndustrialAction

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For me the ability to adjust the voltage is much more than a just way to affect flavor. VV is the bomb! I can order almost any atomizer and get it to perform by tweaking the voltage. Every atty is unique and with VV i just tweak the Voltage a few times until i get it the way i like it and life gets good. As the atty ages or gets dirty i just bump the Volts a bit and whamo! back in business. Want a bit more heat from a particuliar atty not doing so well? Tap up the Volts and good to go. Got some LR attys just a bit too low, bump Volts down and move on. Got a juice not working too well on flavor, try down in V a bit then tweak up a bit... sweet spot,,,, stop. IMHO I wouldn't vape with anything else....now i am just waiting for my ProVari and i won't even have to use a meter to make the adjustments anymore....

That's where a lot of people are missing the point of Darwin. Darwin is not about varying voltage. What the ProVari does and the Darwin does are two different things. I have a PV on order but if the Darwin was in the price range of the PV, it might be a different story. I still don't like the side-mounted atty/carto connection but the aesthetics are growing on me.

To those (not the poster above specifically) that are trying to understand the difference, Google "Ohm's Law". Look at the equations. The difference is there. With any VV device, you're dialing in a "sweet-spot" for the resistance of atty/carto you are using. With Darwin, you're looking at a different part of the equation. Now we're talking about wattage. Your wattage sweet spot should be pretty consistent but may vary with different juice. Regardless, let's say that I like my TV Waffles at 6.084W. Now, no matter what resistance atty/carto I put on Darwin, it adjusts constantly to keep my wattage consistent. On a VV device, my wattage sweet spot is still 6.084. Now, if I use a 2.0ohm atty/carto, I need to set my VV device to 3.48 (3.5 for rounding). Keep in mind that while it reads 2.0 cold, it will change as I vape on it. The VV device will not compensate for this and will still put out 3.5V. Thus my actual power will fluctuate changing my vaping experience. If I swap out my 2.0 for a 3.2ohm atty/carto but I keep the voltage set at 3.5V, I'm now drawing only 3.828W. To get back to my true sweet spot (consistent wattage) I need to adjust my voltage to 4.4. That's a big swing and will take a while to find if you're not using an Ohm's Law equation or calculator.

I know this blows some people's minds an flies over heads. That's ok. The issue I have is that a comparison of Darwin to a PV is NOT an apples-to-apples comparison.

Your sweet spot for your juice is in the power (W) not in your voltage on it's own.
 

Timtam

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This has been a real interesting read with lots of educated and not so edumacated people posting great info.

I like it and have the cash to drop, however I've come to the conclusion that a mod has to feed juice for it to be worth anything; 18650 batts and 510lr atts are cheap, so as long as I can get juice to the atty w/out dripping I'm happy.

Nice job on the device though.

Wait until the new one comes out from Evolv. I don't know much about it, but I'd say it'll have some real nice features.
 

REGGAEGEEK

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Feb 1, 2010
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That's where a lot of people are missing the point of Darwin. Darwin is not about varying voltage. What the ProVari does and the Darwin does are two different things. I have a PV on order but if the Darwin was in the price range of the PV, it might be a different story. I still don't like the side-mounted atty/carto connection but the aesthetics are growing on me.

To those (not the poster above specifically) that are trying to understand the difference, Google "Ohm's Law". Look at the equations. The difference is there. With any VV device, you're dialing in a "sweet-spot" for the resistance of atty/carto you are using. With Darwin, you're looking at a different part of the equation. Now we're talking about wattage. Your wattage sweet spot should be pretty consistent but may vary with different juice. Regardless, let's say that I like my TV Waffles at 6.084W. Now, no matter what resistance atty/carto I put on Darwin, it adjusts constantly to keep my wattage consistent. On a VV device, my wattage sweet spot is still 6.084. Now, if I use a 2.0ohm atty/carto, I need to set my VV device to 3.48 (3.5 for rounding). Keep in mind that while it reads 2.0 cold, it will change as I vape on it. The VV device will not compensate for this and will still put out 3.5V. Thus my actual power will fluctuate changing my vaping experience. If I swap out my 2.0 for a 3.2ohm atty/carto but I keep the voltage set at 3.5V, I'm now drawing only 3.828W. To get back to my true sweet spot (consistent wattage) I need to adjust my voltage to 4.4. That's a big swing and will take a while to find if you're not using an Ohm's Law equation or calculator.

I know this blows some people's minds an flies over heads. That's ok. The issue I have is that a comparison of Darwin to a PV is NOT an apples-to-apples comparison.

Your sweet spot for your juice is in the power (W) not in your voltage on it's own.

Agree with you that there is a difference but it's really only which of the variables in Ohm's law are fixed and which ones are effectively set when you alter each device's settings.

The hot/cold load on any atty will vary on either device. Since you specify Voltage on the Provari and it is held constant by the device, wattage will vary slightly as the load changes.

Since you specify wattage on the Darwin then the voltage would vary as the load changes.

I like the idea of being able to specify a static wattage and having the device monitor the load and adjust the voltage to maintain the desired wattage. It's an idea that's been tossed around for some time here and can't wait to see the first good implementation of it in a mod.

I'd be surprised if we don't see it in the next gen of the ProVari as well.... would only take a new eprom and a couple of components.

I am not real crazy about the "side-winder" atty attachment of the Darwin either but I think if the whole package were cleaned up a bit i could get used to the flat form profile... but Ouch! the price point!
 

IndustrialAction

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Sep 14, 2010
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Agree with you that there is a difference but it's really only which of the variables in Ohm's law are fixed and which ones are effectively set when you alter each device's settings.

The hot/cold load on any atty will vary on either device. Since you specify Voltage on the Provari and it is held constant by the device, wattage will vary slightly as the load changes.

Since you specify wattage on the Darwin then the voltage would vary as the load changes.

I like the idea of being able to specify a static wattage and having the device monitor the load and adjust the voltage to maintain the desired wattage. It's an idea that's been tossed around for some time here and can't wait to see the first good implementation of it in a mod.

I'd be surprised if we don't see it in the next gen of the ProVari as well.... would only take a new eprom and a couple of components.

I am not real crazy about the "side-winder" atty attachment of the Darwin either but I think if the whole package were cleaned up a bit i could get used to the flat form profile... but Ouch! the price point!

Your point, "Since you specify wattage on the Darwin then the voltage would vary as the load changes", is true but maintaining a consistent voltage is different from maintaining consistent power. So yes, the voltage does vary as the load changes but the wattage, the real sweet spot (according to the premise of the Darwin mod), should remain consistent. Maintaining consistent voltage does not lead to the same experience when you switch from one resistance to the next but it does (again, supposedly) when you keep the wattage consistent.

Yes, the ProVari keeps the voltage consistent as the load changes and I agree that the swing probably is negligible, but I don't have numbers to back that statement up. With Darwin, it is supposed take that out of the equation. Once we see it in action, we can determine how much of a differentiator it really is.

I would be shocked if ProVape wasn't already designing a v2 with this option in mind. In fact, if they did make that change, I think Darwin would be in a HEAP of trouble.

If there is an "early adopter" discount or something like that, I'd certainly like to do a side-by-side comparison of Darwin and the ProVari.
 
On the screen you will be able to see:
wattage setting
amps
volts
resistance *not in the pic, but will be on the finished unit
battery power left

You will be able to see these all at one time and will not have to scroll through a menu to see each one.

IMG_1441.jpg
 

Scottbee

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Sep 18, 2009
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I would be shocked if ProVape wasn't already designing a v2 with this option in mind. In fact, if they did make that change, I think Darwin would be in a HEAP of trouble.

Since I prefer the packaging on the Provari style system, this would probably be the unit that I would adapt my auto-juice feeder to..... and that would yield one helluva PV!
 

IndustrialAction

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Since I prefer the packaging on the Provari style system, this would probably be the unit that I would adapt my auto-juice feeder to..... and that would yield one helluva PV!

I hate to agree with you in the Darwin thread but I'm with you 100%. Have you posted info on your juice feeder? I'd be interested to learn more. Love your avatar BTW, House is on at least once a day at my place.
 
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