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OF touche...
If TV came out with an Ultra top that allowed the cera to screw directly into the ulta it would remove about an inch/inch and a half from your design and would be much closer to being considered a pen IMO. But you said the ultra cant handle the cera so i guess the point is moot
The Dart just never performed the way my cera has in the short time Ive had it.
No it would not. The actual number is less than half an inch, just under .41 in the one pictured. Basically
the length of the pin between the bottom of the Cera Cart and the top of the switch contact (where the 510 connector goes).
The big steps backwards are in
diameter (the Cera cart basically 'doubles the fat part' and increases the maximum diameter) and the big increase in
weight (you could go to Ti cores of course for an extra $100 each), not length. In fact, my latest adapter and Cera cart are almost exactly the same length as the DART cart is.
DART takes some experience and skill to get best results, more so than many there vapes. Cera, with it's extra margins in power and reservoir size, lets you get good results with more sloppy technique. It's a lot easier to catch trout on heavy tackle.
Cera does so much better because it is
bigger and uses (lots)
more power. That part won't go a away. If you want small and light some compromises need to be made. Not surprisingly (to me) TV worked through the engineering pretty well. No 'great leaps forward' I can see.
I'm a big fan of the idea (which is of course why I proposed it.....) but I think I've got a pretty good grasp of what's involved having fiddled with the idea for some time. I anxiously await someone offering them, but firmly believe that even with such adapters Revolution/DART will still have a useful role to play.
OF