Well, I just got two nanos...
I really wanted to love them. I managed to get one of them to work (after an initial catastrophic leak). It's working, the vape is nice, warm, saturated. I like everything about this atty but it has a constantly wet 510 pin. It's not leaking, per se, it's just that when I unscrew it from the battery, there is always a drop of eliquid sitting there, in the 510 well. A tiny drop, but it drives me nuts. So I'm using it on my iStick 20 with an adapter--I don't want to ruin the battery. I checked that silicone insulator under the 510 pin--it's all the way in, snug as a bug. The pin is also in tightly. No leaks from the tank anywhere. I think my coil and wick are OK--chunky and all.
What am I doing wrong? The other one is still in the box. I don't like wet feet.
Thinking of 3 possible things:
1) The suggestion of checking the o-ring is a good one. Here's a pic:
2) Condensation builds up over time under the atty. For me, it doesn't 'drip' into the 510 well of the Istick, just small droplets on the top.
(I'm of the notion that the primary culprit of this is the vapor left in the atty after a draw...I usually release the fire button 1 sec before end of draw..)
Here's a pic of a day's use (in cold winter it is a tad more):
3) The 'gravity fed' design means the 'shoulders' of the wick basically 'holds back the torrent of juice' that would otherwise flood it. Using a bit more wick down the channels might help if it seems a wicking problem?
(ETA: As in the wick is over-saturated, causing a small amount to drip off the wick down the air hole - a little more in channels might provide 'extra juice buffer'.
I take my JOC strip, pull it through the coil so the pad stays in the 'vertical' postion (ie flat like it was when cutting), then cut to length to the base oring... then fan/open the wick and cut off the top 75% of the wicking flush with the edge of the top curve. This leaves ~25% to go down the channels.)
The bottom of the atty 510 pin is always dry for me.
I have the AFC ring removed.
Coil: 28g, 8 wraps, 1.6ohms, JOC, 9 watts.