the divo is really rocking. no I mean really rocking. can't believe I never stuck it on the reo before this. can't believe how much my other mod sucked. before I just thought the divo was ok I guess, but now on the reo, damn. it's just so friggin sweet.
curiosity got the best of me tonight so I decided to break out the mic's and see exactly what chamber size difference's and see once and for all exactly what's going on here. the airflow and chamber orientation is the same on all 3 of these attie's I tested so it all boils down to one thing only, and that's chamber volume.
I measured everything to the thousandth. in measuring cylinder height I measured full height and then deducted for the amount of protrusion into the chamber of the atty base to the top of the deck, so working height is actual internal chamber volume height as assembled. I then calculated cubic inches of volume of each cylinder to the thousandth. I did not adjust for variances of the deck dome but all 3 are similar sloping dished decks so this isn't much of a factor. I also didn't measure to deduct for post volume displacement, but again, all 3 are similar there too. the only way to get more accurate and precise would be to seal up all the openings in the atty with clay and run a cc test filling it with liquid while measuring the cc's, but this measuring I did is still accurate enough to be conclusive relative to each other
here are the results. smaller is better flavor wise
-----------------------------dia----height------ci----------------
cyclone(afc)--------------.515" x .570"= 0.118 cubic inches
rm2------------------------.530" x .315"= 0.069 cubic inches
divo------------------------.505" x .275" = 0.055 cubic inches
now I don't know how much of a factor dual coils plays exactly although I do know that they do close the gap somewhat and duals make a chamber vape like a smaller chamber flavor wise, but now from the results and measurements of the cyclone to the divo I know it's not a factor of 2:1 or 50% because if it was then the cyclone with duals would taste as good as the divo with a single, but it doesn't.
at this point I'm going to assume that adding dual coils probably adds a factor of ~25-30% relative chamber volume reduction based on my own test results. in other words adding dual coils to the cyclone gets it ~half way there relative to the divo compared to the cyclone(w/afc) with a single, but the divo still beats it hands down. assuming a factor of 25-30% would make the .118" chamber of the cyclone vape like a -.082-.088" chamber relatively, putting it closer to rm2 territory of .069" in vape quality. I'd have to do a lot of side by side testing with the cyclone to the rm2 to fine tune that estimate of 25-30% but I think it's close enough to actual for me at this point. maaybe it's 35% at most. I think I'll probably just call it 30% at this point which is probably about right.
one good thing is with all my testing and measuring and comparing here I also discovered what I think is the perfect solution for the cyclone, and it's so simple that it's brilliant. I'll show you that tomorrow after I try it but it's going to make the cyclone vape as well as the divo does now, and then add dual coils to THAT for another 30% relative chamber reduction, should virtually vape like a .040" compared to the divo's .055" now. can't wait to try it and see how it works. .055" is really kicking ... but a .040" relative chamber size of the cyclone with duals with a reduced chamber may just be the holey grail if it works the way I imagine it will
make no mistake, the cyclone with afc ain't no slouch, it gets close to rm2 taste quality as-is with duals, the rm2 is one of the best tasting atties out there so don't go dumping your cyclones, they have gotten no worse than they've always been which is pretty awesome, but the divo just kicks the cyclones and even the rm2's ... in current form it seems
