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br5495

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Would it still be easy to make a good seal if the cup is shaped differently so that refilling can go even better still?

It doesn't have to be concave, at least flat maybe?
Something round is almost always easier seal and usually works better.

But you're trying to change the design. I'm just trying to make what I have work better.
 

v1John

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The air stem can have a stabilizing ring, which could be a simple hard plastic fitted on the stem, which has spokes in three directions, keeping the entire assembly centered at all times.

Ok, keeping the entire stem-cup assembly centered firmly is not a difficult thing to do. Keep the cup round if you must, but additng the stabilizer spokes to the stem shouldn't be difficult either, I hope

______

I agree, maybe the cup can stay. At least the cup to carto gap is a thousand times better than the sub-microscopic filler holes.
 
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br5495

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Looks cool. What is it exactly that keeps juice from going into the cup (and down the air tube) when it's on its' side?
Actually, not very much. The inner part of the groove covers the empty part of the slot above the wick, and that's mostly it. The outer part of the groove is tapered in order to center the cup, so it's not doing much.

Edit: Look at the groove on the under side of the older E2 mouthpiece. What I made is almost the same thing.
 
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BanjoMan

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Actually, not very much. The inner part of the groove covers the empty part of the slot above the wick, and that's mostly it. The outer part of the groove is tapered in order to center the cup, so it's not doing much.

Edit: Look at the groove on the under side of the older E2 mouthpiece. What I made is almost the same thing.

I know we're stuck with ceramic now, but if the cups were plastic and you could size the inner part of the groove to press fit inside of it right down to the top of the wick you'd probably seal the gap almost entirely.
 

br5495

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I know we're stuck with ceramic now, but if the cups were plastic and you could size the inner part of the groove to press fit inside of it right down to the top of the wick you'd probably seal the gap almost entirely.

If it goes that far it will hit the coil. If you look at the old mouthpiece, you will see that it does not go down as far as the outer part. So far, it looks like this thing is doing some good. At least on the two that I am messing with right now.

I'm done for the night too.
 

v1John

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Ok, well the cup will not have wide slots, right? I can't remember all the modifications that Bad mentioned.

Then, Br, you mentioned an o-ring also, you mean something like a silicone o-ring?

2cep941.jpg
 

br5495

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Ok, well the cup will not have wide slots, right? I can't remember all the modifications that Bad mentioned.

Then, Br, you mentioned an o-ring also, you mean something like a silicone o-ring?
Changing the slots ain't gonna fix nothing.

An o-ring is not needed there. It will be used on the main body so that it will fit tubes with slightly different diameters. This is not my idea. Some of the drip tips have an o-ring.
 

nightsong

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Well, maybe it's getting closer to what we need, heheh.

I'm probably easier to please but then again I'm just using the regular size on an ego or wetbox and was getting very frustrated trying to get a decent flavor out of anything before these came along. They pretty much only leak if I overfill or knock my PV over. When that happens, I'm still in the phase where I'm just happy that the juice is the same color as when I loaded it.

Not that there isn't room for improvement in their design but your prototype looks to solve the issue of not having to keep the pv upright and stabilize the cup without strangling the wick. I'd buy it in a heartbeat!
 

K24A3

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Well I've tested these XL R3 3.7v ceramics for a week now, they have been good enough to use exclusively.

A few statistics if anyone's interested..

90% of them are difficult to get the inner filler cap reinstalled (can take up to two minutes)
100% of them have primer that ruins the taste of the juice
95% of them are good to vape after the primer is removed by soaking in hot water (some still tastes bad after a good clean)
70% of them have the 'correct' ohms (3.0-3.2ohms)
100% of them taste burnt when using a fully charged KR808D-1 / V4L Battery (they are ok when the battery is low on charge)
50% of them have wicking problems are give a burnt taste intermittently (wick in XL needs to be thicker or longer perhaps)
20% of them have leaked excessively.
50% of them have the intermittent leak-in-cup problem causing gurgling (blow out excess liquid into a tissue to get them going again)
0% of them screw on badly on my GG and V4L Batteries
 
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badkolo

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Wow br, that looks amazing. I get the concept totally and like the idea.

I opened up ten more and have had only 2 leak this time, the rest of the 8 are working pretty dam well.(808 xl)
obviously the good and the bad got mixed together but at least im finding good ones that arent leaking and have no primer but the inner plug looked moist.
 

br5495

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I'm probably easier to please but then again I'm just using the regular size on an ego or wetbox and was getting very frustrated trying to get a decent flavor out of anything before these came along. They pretty much only leak if I overfill or knock my PV over. When that happens, I'm still in the phase where I'm just happy that the juice is the same color as when I loaded it.

Not that there isn't room for improvement in their design but your prototype looks to solve the issue of not having to keep the pv upright and stabilize the cup without strangling the wick. I'd buy it in a heartbeat!
The prototype was developed to make the E2 easier to refill, not to fix a leaking or wicking problem. This development was back when I was experimenting with an earlier E2 with a plastic cup. It was working fine, so there was no need to fix anything. All I did was replace the filler ring with the rubber mouthpiece. I found that it was easier to remove and replace and that it worked just as well or better than the filler ring.

I also tried this with my first XL. It was a hell of a lot easier to remove and replace than the silly thing that was in there. It also seemed to work just as well or better than some of the other substitutes that we were trying. In some cases, it seemed to reduce some of the leaking problems that we were having.

I wanted to make a prototype like like this for the plastic cup versions, but I was afraid that it would be a waste of time because of the ceramic types that were coming out. As it turns out, these work on the plastic cups, but they are a compromise because they are designed for a cup that moves all over the place.
 

br5495

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Wow br, that looks amazing. I get the concept totally and like the idea.

I opened up ten more and have had only 2 leak this time, the rest of the 8 are working pretty dam well.(808 xl)
obviously the good and the bad got mixed together but at least im finding good ones that arent leaking and have no primer but the inner plug looked moist.
Well bad, I don't think they are amazing, but they do seem to be an improvement. Have you tried replacing the filler ring with a rubber mouthpiece? You have two choices. The old thick ones fit down over the cup far enough to touch the wick. The groove in the new ones is not as deep and does not touch the wick. If you try them, center the cup the best you can and the rubber will probably have enough give to center it enough to fit down over the cup.

I opened the remaining of the 5 pack that contained the one with a bopped thread. All except one are damaged beyond use. These have a black label on them, if that means anything.
 

BanjoMan

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Left my PTB mod sitting on its' side overnight and (drumroll...) no leak, no gurgle. So far it's 100% effective at keeping juice from getting into the air tube. After I vape it empty I'm going to see how it stands up to a rinse and dry burn session.

This is a 2.6 ohm 510XL being used on a Bartleby (3.7v). I'm getting no harsh taste (quite yummy, in fact) and plenty of vapor. Somebody else needs to try this. Seriously.
 
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