Redesigning the Perfect Electronic Cigarette

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John Phoenix

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I have discovered a problem with the e-cig that I think can be solved. Here are my thoughts on these matters.

This relates to a regular e-cig or Ego, Riva, Joyce type shape e-cig

The problem is when the atty gets hot this also heats the e-juice. This causes the juice to get thinner and run into the atty, thus effectively flooding the atty even under normal use

Everybody talks about the dangers of making sure you keep the atty wet and the dangers of flooding the atty with drops but I have not heard anyone suggest you can flood the atty under normal use and this is what seems to be happening.

I think this happens because the heat of the atty slowly heats up the juice in the cart and causes it to get thinner and flow into the atty faster. This would also explain why if you let the e-cig sit for a long while and really cool down, the hits are better.

You see, I discovered that when I'm puffing away and the vapor just starts to get a harsh throat hit, if I (First) blow out the excess from the atty then, (Second) do a Very short dry burn ( Just to eat up the excess) then the atty will go back to delivering a smooth hit with good vapor. Sometimes I do this dry burn about 3 or 4 times each for a second, but I do it by tail-piping.

This harsh throat hit I speak of happens with normal use while puffing, not because I flooded the atty - I don't drip but only refill carts. This can happen when the carts are half empty.

Why tail-piping? Vapor, unlike smoke if not vented can cool and condense back into a liquid. If you just do a dry burn without sucking the vapor out, some can still wind up remaining in the atty.

Description of my tail-piping method after blowing out the atty:

I put my lips on the atty with the cart removed and while I suck lightly hitting the button for a second at a time. I hit the button in this manner no more than 3 or 4 times. That should be all that is required if the atty was blown out well enough before hand. You can see the excess juice being burned off of the atty. You do not want to keep this up long or hit the button for more than a second at a time because you will get the wick burning taste and you don't want that - then the atty is too dry. ( you don't have to inhale this vapor, just take it into your mouth and blow it back out - it's better this way so you can see the amount of vapor burning off the atty)

I'm glad I discovered that because I have been plagued with times when I would make a batch of DIY juice and thought the recipe was bad due to the throat hit being too harsh. I was adding a few drops to the atty as well as filing up the carts. It seems that may have been too much. Now those same harsh recipes are suddenly a lot more smooth like I wanted them to be.

Of course many of us has read highping's thread http://www.e-cigarette-forum.com/forum/tips-tricks/69834-my-atty-resurrection-method.html And I do suggest you read it before going further.

This method only half worked because it does not discuss all of the reasons why the atty is failing, in the way that it should have.

I tried this method with 3 atty's that were not vaping correctly. These atty's were deemed dead by a professional. They were given to me by a local e-cig mall vendor who were throwing them away. All 3 atty's now work very well, way better than using Hiping's method alone.

Now that we have a better temporary solution IMO, we need to fix the problem.

We know the problem is caused by excess heat from the atty heating the juice in the cart and the inability of the atty to cleanly vape all the juice.

This extra heat is also what causes atty's to leak. Not all of the liquid is able to make good contact with the coil to get vaped off. The heat is so great that this liquid boils and expands and gets forced through the atty vent holes.

We can greatly minimize these effects by making the following modifications to the Electric Cigarette (in theory).

There seems to be a perfect balance needed between amount of vapor in the coil and the pace at which a given atty can vape it off. This is the Key.

Redesign the atty so liquid does not pool around the coil.

Redesign the atty so there is more surface area to vape the juice and spread the heat load.

Use a larger heat sink. (some models have no heat sink)

Redesign the e-juice so that it vapes at a lower temp and yet remains thicker longer

Cover metal body of atty where the cart goes (not over the coil end) with a large heat sink or heat sink putty. You don't want the juice in the cart to heat up as much.

Put a better barrier between the cart's juice and the atty so the warn juice does not run as freely into the atty when it gets warm. (Redesign the cart, cartomizer and or atty tube)

~~~~~~~~~~~~

If we could do all of the above, we can greatly improve the product IMO. This discussion does not even touch the added improvements of proper matching battery/power supply with the correct type and resistance varible of the atty or the things we can learn from products like the Wizard Stick.

I have also noticed that if you stand your e-cig on end with the juice flowing into the atty, you have a greater chance of flooding the atty under normal use. I suggest laying the e-cig down flat or even putting it in it's holder upside down.

Now that I've thought way too much for one day, anyone wanna try to make some of these modifications and test them out :) ?
 
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asdaq

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No need to tailpipe when doing a dry burn, just blow on it. I do hope you aren't doing this very often. Also, since you cite Highping's method, do note that the burnt deposits get rinsed out. Rinse, repeat.

There are many options beyond carts, I recommend you try some.

Oh yeah, and that guy at the mall is far from a 'professional'.
 

John Phoenix

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No need to tailpipe when doing a dry burn, just blow on it. I do hope you aren't doing this very often. Also, since you cite Highping's method, do note that the burnt deposits get rinsed out. Rinse, repeat.

There are many options beyond carts, I recommend you try some.

Oh yeah, and that guy at the mall is far from a 'professional'.

I have tried Hiping's method to the letter with my atty's and it didn't seem to help as much as I thought it should. Doing my procedure in addition to Hipings method is what worked. By that time there should not be a lot of crusted stuff that needs to be gotten out. Blowing on it doesn't seem to get all the vapor out that's down inside the coil chamber. I do this a few times a day when ever the e-cig gets to acting like it's clogging or not hitting right. Highpings method I do once a week first, then do my method. I keep doing my method for the rest of the week till it's time to do Highpings again. Because I use such small dry burns and only enough to get rid of the excess juice down in the chamber, it doesn't seem to hurt anything.

Yeah, I have tried options beyond carts. I don't like any of them nor should I have to be forced to use them. The product can be improved on thus solving the problems.

I call the mall guy a professional because he has to deal with people bringing him 'dead' atty's every day. He has to determine if they really are dead or are so beyond normal help that he has to make a decision to replace them. Money out of his pocket. If he could simply blow the atty out and give the user better vaping tips to solve the problem, he doesn't replace the atty. I do know what you mean though.
 

haft2doit

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I think you are trying to improve on something that has been left in the dust by other new innovations. The cart idea itself just doesn't work. Ce2's for one while not perfect just flat out kick the pants off of carts and atty. I haven't used atty's or carts in a year and a half. There have been many attempts to improve atty's and carts a while back and the results are new cartos like ce2, vortex, tank systems and so on. I'm not saying you shouldn't try and get the thing to work for you, but development has moved on to bigger better things. You won't get anything new out of standard atty manufacturers.
 

John Phoenix

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I think you are trying to improve on something that has been left in the dust by other new innovations. The cart idea itself just doesn't work. Ce2's for one while not perfect just flat out kick the pants off of carts and atty. I haven't used atty's or carts in a year and a half. There have been many attempts to improve atty's and carts a while back and the results are new cartos like ce2, vortex, tank systems and so on. I'm not saying you shouldn't try and get the thing to work for you, but development has moved on to bigger better things. You won't get anything new out of standard atty manufacturers.

I disagree with that thinking. The problem was never the carts themselves it was a combination of bad design choices with the whole e-cig. Well the original type of e-cig at least. O.k. so someone came up with the idea to get rid of the atty cart combo and make a cartomizer. Great. It's still a band-aid to fix the original problem which seemed to be ignored. I love my carts. I mix my own juice and these carts will last forever. I can fill one cart and vape on it for hours. No need to spend money that I don't have on a cartomizer I will have to throw away in a week. Tons of other people agree with me who are on tight budgets and also use carts and DIY juice.

I do not consider cartomizers bigger and better. I consider them simply different. I consider them another tool that breaks often enough so you have to replace it by design. It's like the scam with light bulbs. You have to replace them about once a year. Edison made a light bulb that's still burning today. If he could do that 100 years ago why don't they do that today? It's all about forcing someone to spend money. Why throw good money after bad if I don't have to? If you can afford to do that and you don't mind, that's fine with me but I cannot do that.

Same way with the Atty. It's very possible to make a better atty, one that lasts much longer than the ones we have now. Why don't they... they want your money, that's why. Edison's light bulb that is still burning is much like an atty coil. ( Edison didn't invent the light bulb, he only designed a better filament for the existing light bulb) I'm sure someone could make an atty coil last at least 10 years if not 100.

If some of these ideas were put into practice they could help thousands of e-cig users that use this type of e-cig. People would be happier with the product and the industry as a whole would benefit from a better reputation.
 

OBeer-WAN-Kenobi

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I'd just like to add that I'm using an ego-T and I have leaking problems also when things heat up BUT it doesn't really happen with the ecig heating itself up too much, it happens when I hold it in my hand too long or it's in a hot car.

This is the main reason I'm doing my own design with a genisis atty. I'm sick of leaky crap.
 

asdaq

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Carts make sense in the beginning as they are easy to use when transitioning, but getting rid of polyfill is a blessing in itself. From there perhaps getting rid of silica wicks and any glue that can burn ups the ante. Come to think of it a genisis is quite like a tiki torch right side up :) can even be flaming too. Heat as a by-product is always going to be present with a heated coil, I personally don't see it as a problem, provided the materials used handle it properly, and actually it helps with my wicking.
 

MJBinNM

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I disagree with that thinking. The problem was never the carts themselves it was a combination of bad design choices with the whole e-cig. Well the original type of e-cig at least. O.k. so someone came up with the idea to get rid of the atty cart combo and make a cartomizer. Great. It's still a band-aid to fix the original problem which seemed to be ignored. I love my carts. I mix my own juice and these carts will last forever. I can fill one cart and vape on it for hours. No need to spend money that I don't have on a cartomizer I will have to throw away in a week. Tons of other people agree with me who are on tight budgets and also use carts and DIY juice.

I bought 10 CE2 XLs back in February and I am still using them, actually only been using 3 of them since I built some tanks about a month ago. I've only had one go bad in that time and that was my fault-I tore up the wick. I have 6 more that have only been used a few times and will go into the tanks when the current ones fail. I bought 10 more when they were available, but they're still unopened and just for reserve...5 of the CE2s are about the same cost as a good atty.

A standard CE2 XL holds about 1.8 ml of juice and last me longer than a standard KR808 battery. The tanks I made hold almost 6ml. I generally clean and dry burn the CE2 after 2 tank fulls. I see no reason to throw them away after a week.

I've been thinking of modding a couple with stainless steel mesh wicks, but can't really justify the cost of the mesh...these things just keep on working.:vapor:
 
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MickeyRat

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I disagree with that thinking. The problem was never the carts themselves it was a combination of bad design choices with the whole e-cig. Well the original type of e-cig at least. O.k. so someone came up with the idea to get rid of the atty cart combo and make a cartomizer. Great. It's still a band-aid to fix the original problem which seemed to be ignored. I love my carts. I mix my own juice and these carts will last forever. I can fill one cart and vape on it for hours. No need to spend money that I don't have on a cartomizer I will have to throw away in a week. Tons of other people agree with me who are on tight budgets and also use carts and DIY juice.

You're really missing the elephant in the room with regard to why the design is as it is. To get smokers to use these things, they had to make them look like cigarettes and they had to have a reasonable price. Those are two tremendous design constraints. The market for vaping devices that depart from that model has only recently developed and development of devices to serve that market is a very new thing. It's as if you are in the time when quill pens were being replaced by metal tipped pens but, you're complaining that no one's making you a ball point.

If some of these ideas were put into practice they could help thousands of e-cig users that use this type of e-cig. People would be happier with the product and the industry as a whole would benefit from a better reputation.

You don't think big enough. What the industry needs is something like a disposable lighter. Why not a good disposable device. The Boge Revolution V1 is a step in that direction. No replaceable battery. No replaceable atomizer. No filler. Just a pretty good sized reservoir and a charger. Something goes out, you toss it and get another one. I think it's a fail for a couple reasons but, it's the direction things will go if/when the big boys step in.
 

MickeyRat

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The Boge Revolution V2 is coming out in a week or so. It has a replaceable atomizer. Yay! I think the big problem with the cigarette-like design is the battery constraints. However, the Revolution design might appeal to heavy smokers as it looks like you're sucking the entire pack of smokes, eh? :?:

That's why I specified the V1. The V2 isn't all that revolutionary. It's pretty much a standard bottom feeder with a proprietary battery and a good price. I'm not knocking the product and I'd probably buy the V2 before I'd buy the V1 but, it's at best an improvement on something that's already out there. The V1 is a really different approach.
 
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