Venting a 510 cart, better than straw mod.

[Winace]

I have had good luck with placing a hole in the cart of the 510. Using polyfill at the moment, though did get some Lipton pyramids today. The 510 cart has a rectangle compartment withinn the cart. This is where the filler sits and some onto contact with the atty. The compartment goes half way back to the exit hole (mouthpiece). The air, when pull into your mouth, goes around this compartment and pulls air from the atty holes. The air (in with the poly and fluid) can not be pulled out much because no negative pressure within the compartment can be created. Also, the poly will always remain somewhat wet due to decreased air movement within the compartment. The straw mod helps to fix this, but has a self-defeating effect also. The air within the atty chamber (when neg pressure is present by taking a hit) will pull air from the atty intake holes only. The straw and air around it cancel their own pressure thus having no effect. The stram just allows atmospheric pressure air into the bottom of the cart which displaces fluid as it is used, it also lets air escape the bottom of the cart when filling it allowing for an easier fill. To have a better result I tapped the rear of the rectangular fluid resevoir chamber. This is done by heating a pin and pushing it into the side of the cart from the outside. You want to do this so the whole penetrates into the recangle, not the space where air move when taking a hit (to test, when you are done, cover all exit holes in the cartridge and blow into the mouthpiece end, you should have no airflow coming out of the hole you put it). Now when the cart is filled (it will drain from the hole you put in if oversaturated), and you take a hit, the air in the atty chamber creates a negative pressure and pulls air from the atty entrance holes. At the same time air is pulled into the hole you placed, travels through the filler material to the atty. This helps pull fluid to the atty and increases flavor. You will find the filler gets more dry and you get more flavor. Only use one small hole, enlargen if you want an easier pull. If you place two holes (one on each side), or make the hole too big, you will suck in liquid which is not evaporated by the atty, or flavor will be overwhelming and you get too easy of a pull. This works much better than the straw mod on the 510, I have not tried it with the nylon teabag material yet, but i suspect it will be even better. Not too mention a better hit than the straw mod, you also save room for more wicking material which a straw will displace. I'll try to get some pictures up sometime soon.

Oh, don't plug both atty holes once doing this, you will create a straw! You can cover one atty whole, but pull may be too hard, user preference.

 

[Dirtybutts]

Thats a great frikin idea! I had no luck with the straw mod at all...Please try and get some pics up and I will try it out. I think I know what you are talking about but will wait for pictures so I dont ruin any of my carts! Thanks for the info!

 

[NickWgnr]

Pics would be fantastic!






Wagner

 

[Archer74]

Great idea! I took a pair of tweezers to get reference where the bottom of the cart is from the outside. One side of the tweezer inside the cart touching the bottom and the other on the outside. Just burn a tiny hole very close(but dont go beyond) the tip of the tweezer.

did i get this right?

burn a tiny hole at the red dot

 

[NickWgnr]

Nice! Im going to have to try this. Thanks!





Wagner

 

[Kent C]

The air (in with the poly and fluid) can not be pulled out much because no negative pressure within the compartment can be created.

I'd contend this isn't quite right because the cart compartment is not separate from the atty chamber and while air is being pulled through the intakes through the coil and _past_ the top of the cart thorugh the side air channels, it is likely that a negative pressure exists at the top of the cart and may very well pull air and fluid out of the cartridge top similar to how snow drifts are formed where snow on the ground is pulled as the wind travels over it.


Also, the poly will always remain somewhat wet due to decreased air movement within the compartment. The straw mod helps to fix this, but has a self-defeating effect also. The air within the atty chamber (when neg pressure is present by taking a hit) will pull air from the atty intake holes only. The straw and air around it cancel their own pressure thus having no effect.

Again, the cart is still part of and open to the atty chamber space - it is not like another room closed off.

The stram just allows atmospheric pressure air into the bottom of the cart which displaces fluid as it is used, it also lets air escape the bottom of the cart when filling it allowing for an easier fill. To have a better result I tapped the rear of the rectangular fluid resevoir chamber.

This is where the pictures are needed. The reservoir isn't rectangular. It is rounded on two sides. Those sides are not part of the air channels. Then there are the two flat sides that form the air channels. A hole through the rounded ends would go right from the cart chamber to the outside - and may result in leaking to the outer mouthpiece. A hole though the flat sided would allow juice into the air channels. I don't see either of those as a benefit but I'm also not sure how you are doing this. Also not sure if your physics on that part would work.


I also don't doubt that you think it is a benefit or you wouldn't have done it ;-)

 

[Robert]

I'd be more worried about the little hairs from the poly fill (see them in the pic?) they will be sucked to your atty- get the PTB first.

Holes?- these cart are expertly designed- I'd stop making holes. imo

Make a video and show us why it's better.

 

[them0nk]

there is another post somewhere i had seen on this... and i actually did this to my 801 cart and it worked remarkably well. i haven't tried it on my 510 yet but i have been thinking about it. if i could remember the other post i remember seeing some pretty good pics of it...

 

[Archer74]

I believe the OP's intent was to provide a method to facilitate the movement of liquid from the cart to the atty wick without diminishing the volume meant to be occupied by liquid.

I did 2 little experiments. I just happen to finish my 2 L coke so i filled it up with water, turned it over and watched it drain. it drained but it "glugged" while air tried to force its way through the opening. I took a pin and poked one tiny hole at the bottom and it drained like an open faucet - no "glugging".

filled a blank 510 cart with water, turned it over and watched it drain. a few drops came out then it stopped holding more than half the liquid inside. inserted a PTB about 1/4 down the opening and turned it over again. water was barely moving down the ptb.

tried it on the "vented" 510 cart. it drained too fast i guess i made a pinhole too big LOL

PS. well, TOFTT, i used the "vented" cart...i took a draw and it practically dumped eJuice straight to my atty. so try at your own risk... i definately made the hole too big.

 

[Scottbee]

Here's another thread discussing the same.. or a very similar.. mod:

http://www.e-cigarette-forum.com/forum/cartridge-mods/41216-510-cart-vent-mod-polyfill-works-great-now.html

 

[Archer74]

Here's another thread discussing the same.. or a very similar.. mod:

http://www.e-cigarette-forum.com/fo...0-cart-vent-mod-polyfill-works-great-now.html

Cool! putting polyfill back in my vented cart and try it.

OK, its better with the poly... well at least it didnt dump almost all the eLiquid into the atty chamber this time. Managed to put 19 drops in when the liquid started oozing out of the pinhole i made. its too big i guess.I'm stabbing a guess that the hole i made is around 4x4 pixels big.

 

[frankwt]

OK, the pin hole works, Thanks...easy to do, was fast and not technical...lol Do it on the round side not the flat side about 1/2 way and you are done...Thanks

 

[AngusATAT]

It does work, I've been using it for a while.

Some tips:
Put the hole as low as you can. Normally, you will want to cover this hole with your lip as you take puffs. When the vapor falls off a bit, or you taste the first hint of "hot cart", then take your lip off of the hole. You can feel the air being sucked in through the hole when you take more puffs (if your lip is close to the hole). When you finally get to the point where your cart seems just about empty, cover the mouthpiece hole, and blow through the hole you made in the side, it will force a bit more juice into the atty.

Do all of that, and your cart will be pretty much dry by the time you need to refill it, even using polyfill. When you can't seem to vape it dry anymore, that means it's time to change out the poly.

 

[DC2]

I'm guessing the hole needs to be as small as possible, and looking forward to the pictures.

 

[Winace]

Great idea! I took a pair of tweezers to get reference where the bottom of the cart is from the outside. One side of the tweezer inside the cart touching the bottom and the other on the outside. Just burn a tiny hole very close(but dont go beyond) the tip of the tweezer.

did i get this right?

burn a tiny hole at the red dot

You got it ;-)

Although the hole looks a little large. I make the whole as small as I possible can, enlargen if I did not get the desired effect.

 

[Winace]

The air (in with the poly and fluid) can not be pulled out much because no negative pressure within the compartment can be created.

I'd contend this isn't quite right because the cart compartment is not separate from the atty chamber and while air is being pulled through the intakes through the coil and _past_ the top of the cart thorugh the side air channels, it is likely that a negative pressure exists at the top of the cart and may very well pull air and fluid out of the cartridge top similar to how snow drifts are formed where snow on the ground is pulled as the wind travels over it.


Also, the poly will always remain somewhat wet due to decreased air movement within the compartment. The straw mod helps to fix this, but has a self-defeating effect also. The air within the atty chamber (when neg pressure is present by taking a hit) will pull air from the atty intake holes only. The straw and air around it cancel their own pressure thus having no effect.

Again, the cart is still part of and open to the atty chamber space - it is not like another room closed off.

The stram just allows atmospheric pressure air into the bottom of the cart which displaces fluid as it is used, it also lets air escape the bottom of the cart when filling it allowing for an easier fill. To have a better result I tapped the rear of the rectangular fluid resevoir chamber.

This is where the pictures are needed. The reservoir isn't rectangular. It is rounded on two sides. Those sides are not part of the air channels. Then there are the two flat sides that form the air channels. A hole through the rounded ends would go right from the cart chamber to the outside - and may result in leaking to the outer mouthpiece. A hole though the flat sided would allow juice into the air channels. I don't see either of those as a benefit but I'm also not sure how you are doing this. Also not sure if your physics on that part would work.


I also don't doubt that you think it is a benefit or you wouldn't have done it ;-)

I could get much more technical on the topic, but what's the point? Trying to keep it simple for those who do not want to complicate things.

To expand upon the principle... There is a negative pressure created within the cart while unvented and you are taking a hit. The pressure is pulling against the interior walls of the cart which have no give. This results in dead air spaces toward the back of the cart, where pressure is negated. When pulling any fluid or gas it needs to be displaced. Venting the cart allows these dead spaces to be utilized once again.

The rectangular cart does have a "step" on both shorter side walls (the wall you will be venting). Measuring with a toothpick or tweezers works well, just keep the toothpick/tweezers against the wall you are venting when inserting it to mark for venting.

The process you mention, referencing snow drifts, is a venturi effect. This process works best when the fluid being displaced has something to be displaced with, hence venting the cart, such as atmospheric air.

Most people want something that works, not a physics lesson on fluidics. I am more than qualified for those lessons, but it is kind of dry and boring ;-)

 

[wdave]

I've found that is what best for the 510 is personal preference, mainly based on how much the vapor is saturated with juice. For example, I like dryer vapor and I found that tea bags produce more saturated vapor. Because I like dryer vapor, I have a low opinion of tea bags, and any other filler/cart mod that drains juice faster.

From my experience, the straw mod improves both juice flow into the cart AND steadies the juice flow out of the cart. This reduces those short bursts of juice that dump liquid in my mouth. I would want the proposed mod to give me both of these advantages.

When I switched to the 510 megabatt, the additional power drained the straw mod's juice reservoir so fast I got liquid in my mouth. Had to dump the reservoir idea. I use light to medium packing of quilt-batting, the full length of the cart, and the straw mod works okay again.

HTH,
Dave

 

[Kent C]

I could get much more technical on the topic, but what's the point? Trying to keep it simple for those who do not want to complicate things.

To expand upon the principle... There is a negative pressure created within the cart while unvented and you are taking a hit. The pressure is pulling against the interior walls of the cart which have no give. This results in dead air spaces toward the back of the cart, where pressure is negated. When pulling any fluid or gas it needs to be displaced. Venting the cart allows these dead spaces to be utilized once again.

The rectangular cart does have a "step" on both shorter side walls (the wall you will be venting). Measuring with a toothpick or tweezers works well, just keep the toothpick/tweezers against the wall you are venting when inserting it to mark for venting.

The process you mention, referencing snow drifts, is a venturi effect. This process works best when the fluid being displaced has something to be displaced with, hence venting the cart, such as atmospheric air.

Most people want something that works, not a physics lesson on fluidics. I am more than qualified for those lessons, but it is kind of dry and boring ;-)

Where in my post did I ask for a physics lesson?

You posted your ideas, I responded. You are the one that decided to give a lesson. I made no such request.

 

[Kent C]

wdave says: I've found that is what best for the 510 is personal preference, mainly based on how much the vapor is saturated with juice. For example, I like dryer vapor and I found that tea bags produce more saturated vapor. Because I like dryer vapor, I have a low opinion of tea bags, and any other filler/cart mod that drains juice faster.

Haven't thought of it in that manner but I think I agree on the vapor attribute.

From my experience, the straw mod improves both juice flow into the cart AND steadies the juice flow out of the cart. This reduces those short bursts of juice that dump liquid in my mouth. I would want the proposed mod to give me both of these advantages.

When I switched to the 510 megabatt, the additional power drained the straw mod's juice reservoir so fast I got liquid in my mouth. Had to dump the reservoir idea. I use light to medium packing of quilt-batting, the full length of the cart, and the straw mod works okay again.

Cool. Do you use the 'premium polyfil' 20oz?

http://www.e-cigarette-forum.com/fo...il-method-re-stuff-cartridges.html#post188416

 

[wdave]

wdave says: I've found that is what best for the 510 is personal preference, mainly based on how much the vapor is saturated with juice. For example, I like dryer vapor and I found that tea bags produce more saturated vapor. Because I like dryer vapor, I have a low opinion of tea bags, and any other filler/cart mod that drains juice faster.

Haven't thought of it in that manner but I think I agree on the vapor attribute.

From my experience, the straw mod improves both juice flow into the cart AND steadies the juice flow out of the cart. This reduces those short bursts of juice that dump liquid in my mouth. I would want the proposed mod to give me both of these advantages.

When I switched to the 510 megabatt, the additional power drained the straw mod's juice reservoir so fast I got liquid in my mouth. Had to dump the reservoir idea. I use light to medium packing of quilt-batting, the full length of the cart, and the straw mod works okay again.

Cool. Do you use the 'premium polyfil' 20oz?

http://www.e-cigarette-forum.com/fo...il-method-re-stuff-cartridges.html#post188416

Well I looked at what was available at Walmart and thought it was a pain to roll up for packing. I can't remember whether or not it was Morning Glory Premium.

I went to a sewing/fabric store and saw the quilt batting. Comes in a rolled ups sheet so it's easy to cut clean little squares. I still have a little concern about loose poly fibers. I shake them out as best as I can.

The fibers are unidirectional--I make them run the length of the cart. Density of the polyester is closer to that of my original 510 carts. I bought 100% polyester--no burning.

HTH,
Dave