3 weeks ago I started this thread, and since then I've been fine tuning the steps and procedures to perfecting and building my mod as efficiently and precisely as I can and I'm just about there, but man it is still a lot of hours to build each one of these even with all the specialized tooling and equipment I've bought and made to do this. this has got to be one of the most elaborate and labor intensive mod designs I've ever seen, but it was necessary to achieve all the goals I had for this mod
from the beginning one of the biggest problems with the dna200 combined with bottom feeding has been size, and from the beginning I've been working on design after design to try and make a dna200 bottom feeder that's not too big. at first I played around with smaller batteries and I did build a few pretty compact dna200 feeders but the battery life was always a problem, tiny batteries meant tiny run times.
I bought and played with many different lipo's and the best size VS power capacity for me winded up being in and around the 1,000mah range, but when I considered that a 1,000mah 3s lipo winds up being about the same exact size as a pair of 18650's, to me it just made sense to go with the dual 18650's as they wind up having just about double the capacity in the same space. a 1,000mah 3 cell lipo winds up giving a total of 11.1 watt hours of energy capacity, while a good pair of 3,000 mah 18650's winds up giving you literally double that capacity in the same exact amount of space, providing 22.2 watt hours of energy.
of course there are trade-offs, if you were looking to run at 150-200 watts then a 3s lipo would be a much better choice, but for the average user who's never really going to go much over 60-70 watts, if even that, then the dual 18650's can be a more logical choice. the dna200 is limited to "only" 133 watts in this dual cell configuration that my mod uses, so if you're looking to vape over 133 watts then this mod is not for you. even if you're looking to vape regularly in the 100-125+ watt range then a lipo may just make more for sense for you too, but if you are like me and vape under 80 watts on a regular basis then this mod will give you extreme battery life and easily provide way more than enough power for you.
even if you vape at only 20-35 watts the dna200 is an awesome chip. I've had a lot of people tell me that the dna200 just seems to be too much for there vaping needs, but this is simply not true. the dna200 is an awesome chip and gives awesome power regulation and temperature control on all different types of wires and builds, wether you vape at 18 watts or 22 watts or 30 watts or 60-80 watts, the dna200 chip is simply one of the best temp regulated chips money can buy, and with dual 18650's on board most will be able to go well over a full day and maybe even 2 days or even more without having to worry about batteries. personally I get almost 2 days out of a pair of dual 18650's, I can easily and safely say at least a day and a half, so what this means for me is that bottom line, it always has way more than enough power to get me through a whole day with energy to spare, and to me that's one big criteria of what I'd consider "the perfect mod". before when I used to run single 18650 mods I'd always wind up carrying 2 mods with me because an 18650 wouldn't last me a full day, 2/3rds maybe, but towards the end of the day when the battery starts to get weak you just need another mod on standby, but not with this thing.
I've gotten the size of this mod down to just a little larger than an average single 18650 bottom feeder, considering there are 2 18650's in there and a full 8.5ml juice capacity, believe me that was no easy thing to do. the tolerances are extremely tight and there is zero wasted space anywhere because I want it to be as compact as possible, yet also be as trouble free and as easy to use as possible too. this requires a lot of precision and engineering but I'm happy to say that I am extremely pleased with the final product. the batteries are spring loaded using a special high compression wave design spring but the spring itself does not carry any of the current, all battery contacts are silver and battery contact is awesome in this mod. all power circuits are as short run as possible with a beefy brass buss bar as the main battery bridge. the dna200 boasts a 92% efficiency rating and this mods electrical circuits are designed to take full advantage of that with no additional losses. the 510 is a self adjusting floating center pin design so most atties should be able to sit completely flush yet you could also use an o-ring under the atty if you desire.
I know one of the biggest question marks on this particular mod is the unconventional squonk setup and I'm going to try to make a video tomorrow to demonstrate how well it actually works. it squonks just as well as the best squonkers out there. this mod uses the italian bottles exclusively but the stainless steel cap is bored oversize to use a much more robust soft silicone tubing to eliminate any leaking at the tube to cap seal. I go over each and every thread in these bottles to eliminate the occasional extra flashing or imperfections in the threads that have caused leaks for some with these bottles. this, combined with my compression sealed 510 design means a completely leak free and totally dry mod. if you do happen to over squonk and get juice all over the place the chip is well protected with it's as remote as possible from the juice path location.
belive me, I am super picky and my own worse critic, I've hesitated for a long time to sell mods because I never wanted to just build another me-too mod just for the sake of building a mod, for me to build a mod to sell it has to be something that I am confident in and it has to be beyond just good, it has to be great, and here I am proud and happy to say that I really think I have finally come up with a really bad azz mod that I am extremely happy with, just a few minor tweaks and fine tuning left and its ready and I'll start building them
here are few pics of the first one off the assembly line. this one still has several imperfections and a few things that are below the final specs but in developing a mod like this there are bound to be the first few off the line that are less than ideal and need a little tweaking... since it was a blem anyway I decided to thin the atty corner a little more than a 22mm atty would require since I'll leave a chalice on it always but the production ones will be a little less rounded at the atty corner. this one is not good enough to sell so I am keeping it as a beater, I beat all of my mods anyway
by the time I start selling these they will be perfected to the standard that I require, and a standard that is sure to please the end user who hopefully may just be you
a few pics along side a woodvil for size reference
. . . did you consider putting a magic bottle in there?
