Using a mutation x v4, double vertical coils and Japanese cotton. It's at .7 ohms and 30 watts on an istick 30w. I have 30/70 pg/vg liquid and I can't seem to get alot of vapor productions out of it. I'm new to dripping and I'm trying to avoid mech mods until I get comfortable with building the rdas, any suggestions for increased vapor production?
Can't get alot of vapor production from my mutation x v4
- Thread starter Zach hayes
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Maybe move the coils closer to the air holes? Wicking might be a little anemic too, I'm not sure.
why vertical coils - it would seem with the way the airflow is designed on that deck, horizontal coils would provide much better results
Did it that way so it would wick from the juice well, I have the wicks ran into the Wells
When re dripping or just in general? That atty is pretty difficult to get it set up for just dripping down the center. If nothing else, try verticals with just the airholes on the barrel aligned with it
more airflow is a pretty big component of vapor production - i would probably be playing with horizontal coils and figuring out positioning on them (maybe tighter to center?) to alleviate leaking issue - all of my horizontal builds essentially wick from the juice well also
It's in general I get a little better production the first hit after dripping but it's not much better after thatt
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The bottom air holes are not hitting those coils with any decent amount of airflow...you really should give it some air from the side...
Put the positive leads on the farthest side from the negatives, it will get your coils in the center instead of off to either side. Also open up your airflow on the sides maybe one or two sets of holes.
Center the coils on the center post and elevate them to about level/flush with tops of the the posts. After that open the airflow in the top cap/barrel to get better air vortexing up toward the mouthpiece, add more vg into the liquid ratio, and a mod that can output more watts are your only other basic tweeks to get a big cloud.
Horizontal coils would be the way to go. If you're going to keep using vertical coils then you should open up the side airflow instead.
Look at the atty and imagine the air flow in there when you take a drag. The air comes into the atty from the bottom holes, completely misses the coils and exits through the top. That's not good. I always set up so the air flows right over the coils. Once you have a satisfying vape you can experiment with changing that in small steps, but I suggest you start there.
That gives you two options. Put in horizontal coils and leave the bottom air open. Keep the vertical coils, close the bottom air flow and use only the sides aimed right at the coils. Once you have air flow over the coils you'll have a good starting point to work from.
That RDA has relatively small juice wells compared to a lot of them so you can over-drip it easily. With horizontal coils you can still leave enough wick each side of the coil so you can place them into the wells. You don't need much wick in the wells, so thin it down so you don't fill the wells. When you drip concentrate on the coils and wicks and don't put in so much juice that it's over the top of the bottom air holes. That's all I can think of to get the most juice into it that you can. With this atty you're just going to have to drip more often than with the ones that have big juice wells.
What gauge wire are you using? If it's too thick at 0.7 ohms and 30 watts that's also going to reduce performance.
Centered coils are must on the MXv4 IMO. I take the whole top cap off and drip with it tilted slightly so the juice drips towards the juice well, or drip straight onto the center post slowly. Takes about 10-13 drops, any more and it'll most likely leak. I use mine on a Sigeley 150, and would recommend horizontal coils for dual coils, centered over the bottom airflow and pressed down so they're just a hair from touching the rda. Vertical coils are great for quad coils, pushing them very close together so the they both are evenly over the bottom airflow. Bottom airflow tanks like the MXv4 are a little tricky, but dripping slowly and either with a slight tilt of the RDA or slowly down the center post should work well. Also, did you make sure the coils were burning evenly form the center?
So dual coils at .7 ohms using 26 gauge Kanthal at 30 watts. I see from your pics you've got 8-9 wraps of wire in each coil so I estimate you've got an inside coil diameter of around 3.5mm.
That wire at 0.7 ohms with dual coils is IMO too thick at 30 watts to give you optimum vape performance. Your options are to reduce the resistance with 26 gauge wire, go to a thinner wire at the same resistance, get a more powerful mod, switch to a single coil, or some combination of these.
First though, I think you would do well to get the air flow onto the coils, experiment with all the air flow options you have in that RDA and see where you're at after that.
Do you have any recommendations for a regulated mod that would be more powerful and can fire below .5 ohms
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