Do not put a stem in the vape except when you are ready to hit the stem. Remove the stem between hits. The glass does add conduction, but I find the experience better when I don't just cook my medicine for 10 minutes.
I think sometimes this is a useful technique, but it's still conduction. The results might be 'convection like' (in that the herb is heated to working temperature for each hit, and approaches from 'the low side' where vapor is mild), it's still conduction doing the work. The need for a 'heat soak' to get to full production indicates this? Convection doesn't do that, right?
This technique does have advantages with 'working the lower temperatures' better. Nothing is free, of course. The flavor is sure to go faster as the 'light stuff' is stripped off earlier but it will be less harsh. But there's also a big time penalty to be paid, OK for those of us not in a rush.......but it seems there are fewer and fewer of us every day? Adding more time to a session is a deal breaker for some.
FWIW I do this from time to time when I have a stem of something special tasty for instance, or when interrupted. It's a way of changing the time frame of the session from my POV. So I can enjoy it more a bit later.
If it was a convection vape you could also simply put the load on top, above the glass floor plate? If it was convection it should still work normally since the heated air is still drawn through the load. Ever tried it? It doesn't work that way, at least not for me. Even cranking up the heat. My money remains on
conduction. Convection might make guys feel better about their vape (since it's a 'fact' convection is superior......not so IMO, other factors swamp any effects often) and of course it SELLS MORE VAPES to make that claim to those same guys. Sales types often can't help themselves when 'a little white lie' sells more stuff? Bless 'em.
And remember we can't draw 390F hot air into the load, give up some heat energy heating stuff and making vapor (dropping in temperature in the process) and still be 390F? The rules of 'take away'.....if you take away something (like heat energy to warm the load and make vapor) YOU DON'T HAVE AS MUCH LEFT AS BEFORE YOU STARTED. Real convection vapes heat the air much hotter than that so they can give up energy and still be 'hot enough'. T1, Evolution and Cera from ThermoVape had a
1300F heater for instance......for this very reason.
"Convection like" to some degree perhaps, but no real convection going on........ At least by the rules I was taught as a lad.
Regards and best Holiday wishes to all. IMO this is one of those special Holidays when we should pause and reflect on our many blessings. Where they come from and the prices paid for them.
OF
Edit: I shouldn't have stopped at the pictures (again.....). At the very end of that 'breakdown' it says:
Closing Thoughts
The Arizer Air was widely believed to be a convection / conduction hybrid vape but after fully taking apart the upper chamber and heater we can safely conclude the Air and Air 2 and most likely the Solo and Solo 2 are purely conduction vapes without any convection heating. Conduction is known for providing much better battery life than convection or even hybrid heating so the Arizer portable’s unusually long run time per charge makes a lot of sense. The build quality and materials used in the Air II are very sturdy and high quality which is to be expected from Arizer. The heating design is simple but gets incredible results; thick clouds and better flavor than most any other conduction vape due to the material being enclosed in the glass mouthpiece rather than making direct contact with the hot chamber. We’re huge fans of the entire Arizer lineup and recommend them nearly daily.
"we can safely conclude the Air and Air 2 and most likely the Solo and Solo 2 are purely conduction vapes without any convection heating". Seems that Randy and company went to the same schools as I did......I don't recall him, but it was a long time ago.....
Still, I of course agree. Not enough convection going on to merit notice. No need, it's doing a most excellent job as designed?
Randy also brings up the important point that
convection heating wastes a LOT of energy over conduction typically. With the very best 'batteries' available and very efficient insulation (Zirconia) Cera was only able to extend the T1 vape times to 20 minutes or so, much less if you let it cool between hits (which defeats the insulation to a large degree). Those same 18650s would go
well over an hour in Solo/Air.
Good point, Randy. Ya done good again. Now go home and enjoy the family?
And thanks for your excellent products, fast delivery and matchless Customer Support. Quite valuable to this community for sure, but not mentioned often enough? As it is elsewhere in life these days.....
Thank you, it is much appreciated.
OF