I don't like singles in these either! I have toppers with singles in them that work just fine, but I haven't found a single coil for the Lemo that satisfies.
The Lemo RTA: A Build With Pics
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I don't like singles in these either! I have toppers with singles in them that work just fine, but I haven't found a single coil for the Lemo that satisfies.
That's what I've attributed it to. I might try putting my AFC ring back on and see if I can get some better flavor. I just coiled this one with Ni200, and with it being such a pita to work with, I'd just as soon leave it alone.
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So I busted out my calipers and here's what I found out based on my 2 lemos
1) positive airhole on the deck has a inner diameter of 3.1mm. This gives it a cross sectional area of 8.197 mm^2
2) each of the airholes on the base range from 1.6 to 1.61mm, so that's 2.211 mm^2 each, aka total = 8.844 mm^2
So technically, the airholes on the base are more than sufficient to maximize airflow.
Didn't manage to measure the holes in the AFC section itself, but those are significantly smaller than the airholes on the base. I'm guessing either 1.5 or 1.4mm each?
Based on that, it would seem like the most efficient way of opening up the airflow even more is to leave the base alone, and enlarge (slotting instead of making a bigger circular hole) the holes in the AFC section of the center post.
Just some thoughts! I personally happen to find the airflow still kinda restrictive. Beats the kayfun hands down, but it isn't a comfortable restricted lung inhale.
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1) positive airhole on the deck has a inner diameter of 3.1mm. This gives it a cross sectional area of 8.197 mm^2
2) each of the airholes on the base range from 1.6 to 1.61mm, so that's 2.211 mm^2 each, aka total = 8.844 mm^2
So technically, the airholes on the base are more than sufficient to maximize airflow.
Didn't manage to measure the holes in the AFC section itself, but those are significantly smaller than the airholes on the base. I'm guessing either 1.5 or 1.4mm each?
Based on that, it would seem like the most efficient way of opening up the airflow even more is to leave the base alone, and enlarge (slotting instead of making a bigger circular hole) the holes in the AFC section of the center post.
Just some thoughts! I personally happen to find the airflow still kinda restrictive. Beats the kayfun hands down, but it isn't a comfortable restricted lung inhale.
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In my opinion, it blows the Orchid out of the water. For the tanks I have actually owned, here is my greater than breakdown in overall vape quality, flavor, airflow, etc:
Lemo > Orchid v4 > Fogger v4 > Kayfun lite+ > Nautilus
Just my two cents.
That is some very interesting data! But i'm gonna go out on a limb and say there is some other restrictive force (vacuum maybe) in place here hence the reason for my slotting the base. All my testing showed (to me anyway) that with the base removed the airflow was greatly improved versus with the base screwed on until I slotted the base. This is with the AFC adjustment ring completely removed. Just my
.. Call me crazy but that was my perception anywho! 
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Yep, that's the holes that made the biggest difference. After I drilled the horizontal holes in the center post, then the vertical hole was the restriction...so of course I had to work on it some. Then the external holes in the base needed a little love, so...
And now I'm trying to restrict air because I'm not getting good flavor with a single coil...
Yep, that's the holes that made the biggest difference. After I drilled the horizontal holes in the center post, then the vertical hole was the restriction...so of course I had to work on it some. Then external holes in the base needed a little love, so...
And now I'm trying to restrict air because I'm not getting good flavor with a single coil...
Haha! That's what happens when we go overboard
I'm gonna try to get the center post holes to match the external holes and that's probably as far as I'll go. Given that im rerarded at tools, this might be a challenge.
ETA: any chance you could share a picture of your center post, and maybe explain how or what you did?
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I guess it just a matter of preference, but on the lemo I have never found a reason for dual coils as it always seems to give me excellent flavor/vapor production thick jucy clouds, Magma on the other hand dual coils all the way.
Maybe it's the way I build and wick my coils almost to the point of flooding because I like that wet jucy warm vape then the Lemo concentrates that even more
because the chamber and chimney arrangements.
Maybe it's the way I build and wick my coils almost to the point of flooding because I like that wet jucy warm vape then the Lemo concentrates that even more
because the chamber and chimney arrangements.
Haha! That's what happens when we go overboard
I'm gonna try to get the center post holes to match the external holes and that's probably as far as I'll go. Given that im rerarded at tools, this might be a challenge.
ETA: any chance you could share a picture of your center post, and maybe explain how or what you did?
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hey Kiwi- If you have a chance would you please just try and test the draw with the base off versus with the base on just to see if you notice the same thing I did? Preferably with the AFC wide open or removed. I'd really like a second opinion on this and its really a quick and easy test. I'd be most appreciative!
hey Kiwi- If you have a chance would you please just try and test the draw with the base off versus with the base on just to see if you notice the same thing I did? Preferably with the AFC wide open or removed. I'd really like a second opinion on this and its really a quick and easy test. I'd be most appreciative!
... Holy crap. Ok so what I noticed is without the bottom section, it's significantly looser draw!!!! Is that what you got too?
Seems like my numerical analysis above doesn't take into account how the base actually affects airflow
ETA: yeap. Definitely. In fact I can say that loosing the base doesn't loosen the draw at all, right until the base actually pops off, then the draw becomes a lot looser :O
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Haha! That's what happens when we go overboard
I'm gonna try to get the center post holes to match the external holes and that's probably as far as I'll go. Given that im rerarded at tools, this might be a challenge.
ETA: any chance you could share a picture of your center post, and maybe explain how or what you did?
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I drilled them out to .078"(2mm) then de-burred and polished the holes with a die grinder. Mine had burrs in them to start with, which was causing an annoying whistle. First I drilled the holes in the base, which only made the whistle worse, then I attacked the center post. With dual coils at 30+ watts, these things kick serious ....! I'm sure I could get the flavor back with the AFC ring for a lower power single coil set-up, but not today.
I had to drill the holes in the base out to about 2.5mm to eliminate the restriction with the base on...weird
Looks like I'm gonna have to try that out. Hohums. Probably because of the way air is routed through the base. All that channels have quite a bit of drag on the air flow. (Kinda like how a vessel will deflate much faster from a X sized hole, than say through a needle or pipe attachment with the same X cross sectional area)
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Thank you thank you!! I thought i was losing it! hahaha And nobody has tried that yet after several posts about it with pics. I actually emailed ismoka and suggested they open the base more for version 2 and surprisingly they replied rather quickly with very positive remarks.
Thanks Kiwi!
unfortunately i dont think enlarging the holes will help much.. i added 2 extra holes and that didnt help and so thats when i decided to get the dremel out and connect the dots!
unfortunately i dont think enlarging the holes will help much.. i added 2 extra holes and that didnt help and so thats when i decided to get the dremel out and connect the dots!
Drilling the four base holes to 2.5mm totally freed mine up. I sware, I can literally breath through my Lemos!
I'm gonna try bneat's method first. Hopefully I don't end up adding AFC to my fingers.
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HAHA AFC to your fingers!! Be Careful!!
ok! I'm counting on you to figure out how much that helps compared to the base off!! I have a silver one coming in by way of Santa Claus and I would rather enlarge the 4 existing holes than chop the sh#! out of it with my dremel! I have hope that BNEAT found the better option! Maybe the extra holes I drilled didnt help because the hole size needs to be a minimum diameter to break through whatever the restriction is!! Good luck!
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