Can someone post a picture of what the dart looks like once it is placed in the cart? Is the foam supposed to flush with the top of the cart, or should it be recessed a little?
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It should be flush or just a bit below. There is give in the foam so when the atty is attached it compresses slighly and surrounds the bridge. The KEY is making the top of the plug just slightly larger than the cart opening. Just trim it a bit with a scissors until it pops in place with a gentle push. Also, it's important to wash it out and dry it every few cart fills.
I was having this problem to, and here is what I found works to correct it.
Take out your dart and look at how far down you have blue foam pushed into the straw. If it's anywhere close to the bottom, pull the foam up to about the halfway point, and trim the foam to fit.
What I think was happening in mine was the foam was soaking up the juice from the bottom, but never wicking to the top. Pulling up the foam pulls it away from the juice at the bottom, leaving enough room for air to become trapped in the straw, thus preventing the juice from getting soaked in through the bottom.
Today I made the BFDs for my 510 and Kissbox. I haven't drained either cart yet, but they both seem to be functioning very well. Thanks for this mod! 
Oh, getting the foam into the stir stick is quite a challenge. I used some pointy ended tweezers to get it started and a blunt tipped syringe needle to help it further in. I split one of the sticks with the needle nose tweezers. Guess I need some more practice.
Oh, getting the foam into the stir stick is quite a challenge. I used some pointy ended tweezers to get it started and a blunt tipped syringe needle to help it further in. I split one of the sticks with the needle nose tweezers. Guess I need some more practice.
Squeeze the end of the foam and roll it between your fingers a bit. Once you get the hang of it it's pretty easy.
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Pete, I finally got a few darts working superbly. Wasn't till I saw your post #203 I think where you said the final dimensions of the foam. I hadn't been trimming them nearly enough.
I took them out on vacation with me this past week. I refilled my atomic fireball cart at least a dozen times and vaped it bone dry each time. Never needed to wash it. Worked perfectly every time.
Thanks again for coming up with and suggesting this mod!
UD.
I took them out on vacation with me this past week. I refilled my atomic fireball cart at least a dozen times and vaped it bone dry each time. Never needed to wash it. Worked perfectly every time.
Thanks again for coming up with and suggesting this mod!
UD.
Thanks UD. When you get these working correctly it really makes you wonder why people keep dripping.
New member here but i was lurking this forum for a while. Got my first ecigs a week ago. 3 days ago i got the TW tornados. In a few days i tested every mod available. This one is giving me the best flavor and vapor without floodind the atty. Also it makes the cart bone dry. I use the Qtips as i can't find any 2 or 3 mm straws around here that easy (im Portuguese).
Only thing hard is to get the foam into that little straw. I made 2 darts following instructions. Last 2 ones i just trimmed the foam a lot more so it would be easier to stick it in the straw. All other measures stay the same. It works as good and its very easy to stick the foam in. That means making the original piece of foam a little longer and cut the atty side to 22 mm after the dart is made.
Ordered ZFM plugs from Scottyballs...but this mod is really nice.
Thanks Pete
Only thing hard is to get the foam into that little straw. I made 2 darts following instructions. Last 2 ones i just trimmed the foam a lot more so it would be easier to stick it in the straw. All other measures stay the same. It works as good and its very easy to stick the foam in. That means making the original piece of foam a little longer and cut the atty side to 22 mm after the dart is made.
Ordered ZFM plugs from Scottyballs...but this mod is really nice.
Thanks Pete
well I followed the directions, used a micrometer and not having the greatest luck with this. either, I don't get much flavor or I end up sucking in a mouth ful of liquid. the first time with a new dart, I don't get much flavor, after that I don't get all that much flavor either, the spring mod with blue foam seemed to work better for flavor. but lately i'm sucking in big mouthfuls of liquid. I guess the darts need to be changed frequently?
I haven't had to change any of the ones I have made yet. They seem to last a long time. If you are getting liquid in your mouth you might want to try drawing softer and longer. That usually takes care of it for me. (Unless I have overfilled that is!)
I hope you can get them to work for you!
If you are getting mouthfuls of liquid then I'd have to believe that they are cut too small. Try making them with the foam wider. If it doesn't keep the atty wet, trim a little from each side and try again. Too wide = dry atty. Too wet = flooding. I've really had very little problems getting the size right. I hope you can get it to work for you.
Thanks for trying.
Thanks for trying.
If you would all bear with me, a quick rehash of all the previous posts. (I got a bit confused after reading 24 pages)
2mm straws are preferably, but 3.5mm will work but be a tight fit for a 510 cart.
A plastic Q-tip/ cotton swab stick works, also a Capri Sun drink box straw works, what about other drink boxes?
The blue foam should not be inserted more than half the length of the straw.
Is there a need to cut the straw at an angle? What about using a needle to perforate the straw for more air flow?
The nic juice goes into the empty cart, then the dart is inserted straw down, so the foam makes contact with the atomizer, as you vape the nic juice is drawn into the foam, and the straw is just an air flow/stand for the blue foam to keep in place.
If there is flooding then the foam needs to be trimmed down? When you say trimmed down do you mean the whole puff head of foam or trim the outer edges?
When the dart is dry, you must remove the dart from the cart, add the nic juice into the cart then place dart back in.
2mm straws are preferably, but 3.5mm will work but be a tight fit for a 510 cart.
A plastic Q-tip/ cotton swab stick works, also a Capri Sun drink box straw works, what about other drink boxes?
The blue foam should not be inserted more than half the length of the straw.
Is there a need to cut the straw at an angle? What about using a needle to perforate the straw for more air flow?
The nic juice goes into the empty cart, then the dart is inserted straw down, so the foam makes contact with the atomizer, as you vape the nic juice is drawn into the foam, and the straw is just an air flow/stand for the blue foam to keep in place.
If there is flooding then the foam needs to be trimmed down? When you say trimmed down do you mean the whole puff head of foam or trim the outer edges?
When the dart is dry, you must remove the dart from the cart, add the nic juice into the cart then place dart back in.
Junebug Don't get too hung up on the measurements. I haven't measured a thing and have done this mod on about 10 carts. If the straw fits easily in the cart, it should be fine. The foam ,I just cut a small square out, probably about twice as wide as the cart opening or so, then rolled it up in my fingers and threaded it into the straw. Since using this mod, I have yet to flood an Atty, and I over fill the hell out of the carts. So much so, when I put the dart back in, half the time juice comes flowing out LOL, but I hold the cart upright, and invert the atty....Keeps me from having to prime the atty also You will find that unlike the standard filler, which I was constantly topping off and not getting enjoyment out of, you will get several hours of constant use out of this
You will find that unlike the standard filler, which I was constantly topping off and not getting enjoyment out of, you will get several hours of constant use out of this
Refilling is a breeze. Just pull the dart out, add about 12 drops and insert the dart back in.
How about the left over straws from canned air?
When do you trim the foam besides the initial fitting? If you don't get any juice? Do you trim the total length or the sides?
When do you trim the foam besides the initial fitting? If you don't get any juice? Do you trim the total length or the sides?
A straw from a can of compressed air might be too hard to get the foam into....Maybe if you tapered the cut you can cram it in there....had't thought about it...Might try it out tomorrow at work since I have a can on my desk..As far as trimming...After the initial, I don't know half inch by half inch cut....I haven't had to do any trimming...If it crams into the cart and onto the atty I am happy Others might have better experiences with measuring and all that, but so far this has worked well for me.
Others might have better experiences with measuring and all that, but so far this has worked well for me.
The straw in compressed air cans is pretty small. Heck just about any restaurant that serves liquer will have them at the bar. Just help yourself! As far as trimming, I do it when I first make the dart. I just measured mine. The height of the foam is about 5-7mm. The width is about 10mm. If you're close to these numbers, it should work fine. Let me know.
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