Having just bought an Aerotank the other day, I've started the research, but haven't tried the process yet.
I watched a video the other day on rebuilding the dual coil.
The coils are 'stacked' with a flavor wick between them.
This is different from the other dual-coil like the Aspire BDC that the coils are criss-crossed.
The approach taken in the video is to make an
oval shaped coil approximately 1/8th across.
2 ways I've seen that done:
- Wrap around a "zip tie"
- Wrap around two 1/16" drill bits (awkward)
1/8" will fill the taller slot (compared to a single coil design) nicely.
Not a lot of information, but what I've found so-far...