.4ohms, 6 wraps of 25Ga, dual coil with porous Aluminum Oxide(Ceramic) wicking.
Those wicks aren't perfect by any means or perfect twins, but the results are impressive none the less. I did this with needle files by hand since I needed new dremel bits. The wicks in this picture are 3rd gen and if torched would return back to a white color. I compare using these wicks in the orchid to cooking with a cast iron skillet. The flavor builds up in it over time and it starts performing better and better until it gets clogged and needs to be burned off. When compared with a dual 24Ga 1/8" 6 wrap degummed hemp fiber wick build, there is more ramp up time and more heat retention. Now I will tell you why this is favorable in an orchid. As heat increases the molecules of VG,PG, etc...vibrate at a higher frequency and have less friction between overlapping layers, which results in a decrease in viscosity.
When I fill my orchid v4 all the way, there is a point about 3/4 in where the air gets trapped in the upper tank section and causes problems with vacuum at higher VG levels. When the ceramic is combined with a thick wire, it holds heat very well which keeps the path of airflow warm as well as the metal of the chimney which contacts the juice. As the wire heats up the ceramic insulates that heat. It then radiates from the ceramic, as the gradient of heats distribution is always hot to to cold. The cold metal absorbs the heat from the hot ceramic. The liquid then absorbs the heat from the metal on the chimney. The boiling point of VG is around 290C and the boiling point of PG is around 188C vs water which has a boiling point of 100C. What this means for us is that VG has strong cohesive forces that allow it to hold higher amounts of energy before escaping as vapor. This also means that VG will have a higher tendency to condense back into a liquid if its exposed to a cool surface. Keeping the air path warm minimizes condensation and can provide stunning flavor. The vapor is less than the hemp counterpart, but definitely nothing to scoff at. Its comparable to a solid dripper build, but this is for flavor chasers that like that near soupy density of vapor.
forget the arrangement of the filler wick in the picture. Use rolled cotton and make a very small loose vertical wall at the ends of the wicks to prevent flooding from the inlets and to insulate the leads. Push it to the back and sweep any excess away from the air holes. Raise your wicks about 2mm up from the air holes. Make sure the chimney fits nicely. OHMS TEST IT AFTER PUTTING ON THE CHIMNEY. There is little space left inside the chimney on the horizontal side of things and if the wire touches the chimney it will short and ruin all that work. Its a finicky ....... with the filler wicking, but it's worth it IMO. Good flavor, long wick life, the wicks can be reused, and I dont have to even dry burn it for a week or 2 with a 20ml a day habit.
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