Thanks. A little more work that I thought. I might plug the hole with some putty and drill out a smaller hole
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I'm running into a bit of problem with the rba base. Put a 1.4 ohm build on.. It works great for a couple of tanks; then it would fire for a couple of seconds and shut off.
Anyone else running into this? Have two egrip, and they both have this problem. Ideas? thanks.

The RBA option comes with three tensioned contact microcoils Maz. As good as anything I have seen in a factory coil. Of course you can wind spaced coils for it if you like. The replaceable factory heads (forget what they are called) didn't get very high reviews here. I don't use them either.
As for Nets I rarely deep clean tanks when swapping Net flavors. They all seem to do fine with a quick tank rinse.
Thx for your input.I don't think it will fire under 1.2 ohm. I would go for the 1.5 ohm coils, the egrip comes with 1.5 ohm coils standard, and it should deliver the full 20W power with 1.5 ohm coils I would think. Joyetech also sells the standard coils which come with the rba base all ready to drop in, but they are not as economical as the FT ones. I'm not sure but I think the lower ohm coils make it difficult for the egrip to regulate down to 8W, so if you want an 8W to 10W vape, start at maybe 2 ohms and go up, someone mentioned 2.4 ohms was good for lower power, which is where I like to be. I'm running 2.2 ohms at the moment.
On the cotton and how many holes should be covered by the cotton subject, I rewicked tonight and made sure I covered the 2 holes closest to the wick, and the other 2 holes are open (the 2 holes close to the posts). It is running great with no leaking or gurgling. It is possible though that at higher wattages you might want all 4 holes covered by cotton to get maximum wicking, but that is just speculation on my part. My main point here is that 2 uncovered holes do not seem to be causing any problems.

How do you know they are tensioned microcoils cig? Is it expressed anywhere?
Happy New Year all.
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Hi Mac, good to see ya. Happy New Year.
Order you up a couple of the Joyetech Egrip RBA coils and have a close up look at them. I measured them for concentricity, symmetry and longitudinal collimation. They are as symetrically perfect as can be attained by winding with a pin vise or a cigamajig imo. How did they get there? I don't know for sure but the results are indicative of tension winding; and with automation at that. I suppose they could be winding them using compression stress techniques. No problem there either as long as the strain forces within the resulting coil find equilibrium. The proof is in the pudd'n though Mac. If they look like, measure like, fire like and vape like tensioned microcoils then they might just be....
At any rate it's refreshing to see they're listening to us here and trying to provide us with a better product.