I am back to wanting the direct-to-coil, bottom-fed airflow (with a two-post deck).
Mr Mann, you prompted me to write my Nectar review. While technically this might be a RTA, there is little separating it from the RDAs other than a deck that covers the juice well. This is 22mm, two post, single coil, bottom air flow device with an single adjustable 2.5mm air inlet. Air flow is from the lower side to directly under the coil.
The chamber size is quite small; almost identical to the Stumpy. And indeed this thing is a FLAVOR MONSTER on par with Stumpy. In fact I find flavors slightly crisper likely owing to the bottom airflow. The deck cover has three holes, two to feed the wick through to the juice well and a third for filling. While some have complained about filling, I had zero issues and the fill hole is a perfect fit for standard glass droppers. I insert the dropper and fill until the juice is visible coming up through the wicks.
This is not a lung hitter but I found the draw quite satisfactory i.e. not strained. By point of comparison, I use two air holes on the Stumpy.
Additionally I need to note this is simply the easiest device build that I've ever encountered. I did multiple builds just to make sure I hadn't gotten lucky. With leads ending on opposing sides, a mandrel laid across the device puts the coil exactly at the right height for the screws and in exactly the right position. This is not happenstance -- this is a well designed piece of gear.
However, capacity on the Nectar Nano is too small for my purposes. Though you can drip 2-3 drops through the drip tip, generally you'll want to pull the chimney to fill. Believe stated capacity for the Nano is .7ml. I subsequently purchased a standard Nectar (5ml). This likewise delivered stellar flavor. However, as a flavor hopper, its capacity is higher than my period of interest for most flavor. I think the Nano Micro (1.5ml) capacity would be near perfect.
I believe the point of the deck cover is to prevent leaking and it does so admirably. I don't believe you could convert to squank but then, with capacity and minimal leakage, maybe you won't need to. The 510 pin retains the top and bottom with translucent "tank" compressed between without o-rings. The 510 is consequently not adjustable (though you may be able to back it with a small o-ring). The air hole enters the chamber dead center in the deck cover and is raised ~3-4 mm.
As point of reference my preferred build is NI200, 3.5mm dia., 10 to 12 wraps, spaced, which is .14 to .19 ohms with CC rayon wicks I run on a VF with max temp at 420F and typically from 7.5 to 11 watts. I make my own with 100% VG plus flavor and ~7% H2O. Other devices I have, use, and enjoy: Veritas, Magma, Cyclone, mini A-6, mini A-7, Kayun v4, The Erl, (and others I'm sure...)
Pros
-- Stellar flavor
-- Small chamber
-- Bottom air flow
-- Ease of build
-- Leaking comparable to side-air rather than bottom-air device (and minimal)
Cons
-- Nano capacity too small
-- Need to pull cap to fill (i.e. for more than 3-4 drips through the tip)
-- Cannot be adjusted to higher air flow (a la Stumpy)
Bottom line? If you like flavor and enjoy the Stumpy, this is certainly a device to consider. And at a low enough price, it's a no-brainer.