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dwcraig1

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Reply with quote  #1 
Here's what mine's going to look like if they ever (FT) decide to ship it.
[image] 



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ChunkyButt200

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Reply with quote  #2 
nice, an official dna 75 build thread. thanks dwcraig1!

i hacked open a dead vt200. sent the dead board to evolv for replacement. rather than putting the replacement board back in i decided to put the 75 board inside. modifications required to install board are : chop off plastic oled screen stand offs (dna75 board components get in the way of it sitting flush), rewired/re-soldered stock 1300 mah 3s lipo for 1s 3p config (2898 mah according to battery analyzer). i'm bypassing the onboard usb charging ic for a higher (2) amp combo i put together. i dremeled/installed the usb socket on the side of the mod (limited space for it). my dremel skills are.........not great. that's about it. really enjoyed building this. plenty of current available to the board with this batt and the 3p lipo charges fast at 2 amps. IMG_20160521_191105.jpg  IMG_20160521_172425.jpg IMG_20160521_175951.jpg     


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1.21 JIGAWATTS............GREAT SCOTT!........WHAT THE HELL IS A JIGAWATT?
• I am not employed by nor do I represent Evolv Inc.  All opinions are my own, they are just opinion not fact and can be wrong •
Latest versions of EScribe: DNA 200 • DNA 75  Common problems
EVOLV HELP DESK - https://helpdesk.evolvapor.com/?a=add
LOST VAPE WARRANTY REPAIR - http://www.lostvaperepaircenter.com
VapingBad

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Reply with quote  #3 
As usual I want a small and tough mod with tool less battery changing. I used the same 3" x 1.5" alu box section I have used with DNA 30 and DNA 40s since this board is 5 mm shorter than the 200.  I brazed the alu together and filled the front of the board mount holes with it instead of using epoxy.

[20160420_125313_Copy]

There is no room to use any off the shelf battery connectors so I mad some from a Provari V3 spring and some circuit board, I bridged the circuit board the -ve spring is soldered to to the Evolv 510 connector.  I had to make a spacer for 510 from a thick ss washer to get clearance on the inside, not the prettiest, but I just can't get the box section in the required size.  I tapped a thread in the box to hold the 510, again there is just no room for a nut in there.
[20160502_224807_Copy]

+ve is a thin bit of Cu on some more circuit board.
[20160502_223329_Copy]

I also soldered the board mounts I made from Cu tube to the board to improve cooling, grounding and make fitting easier.
[20160428_024222_Copy]

I made the buttons from shelf pins and all the wiring is 14 AWG silicone insulated.

[20160428_024027_Copy]

Finished dimensions are 82 mm x 38 mm x 22 mm including the 510, the main box is 75 mm high.
[20160428_032624_Copy]

[20160428_024010_Copy]

TBH it was a little bit of a rush job and the 510 is about 0.5 mm out, it still took days of labour with the basic tools I have.

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• I am not employed by nor do I represent Evolv Inc.  All opinions are my own, they are just opinion not fact and can be wrong •

Latest versions of EScribe: DNA 200/250DNA 75
Common problems
awsum140

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Reply with quote  #4 
Nice work, VB!  I like the battery holder, excellent solution.
mikepetro

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Reply with quote  #5 
Nice and short....  Thumbs up!
Car147

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Reply with quote  #6 
Very Nice VapingBad.  
msamuelson99

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Reply with quote  #7 
Meh, why not... I feel bad posting a non-custom box though. File_000 (5).jpg 
twages88

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Reply with quote  #8 
133 kit in parallel. .alpine g

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jpeg 20160509_091926.jpg (1.75 MB, 85 views)

BillW50

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Reply with quote  #9 
Quote:
Originally Posted by twages88
133 kit in parallel. .alpine g

Awesome! [thumb]
dwcraig1

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Reply with quote  #10 
So it arrived, took me a bit to get it set up (sorry Daniel). Using HE4's while the HD2's charge (might not even use them with this).
For starters the mod's not stainless steel only looks like it.
Except for the horned top it's smaller than a ERM, really strong spring in the 510. I wish the 510's body was higher than the mods top by a hair but oh well.
Really liking it so far, I can't believe how small it is.
EDIT: So I switched to the LG HD2's from the HE4's after comparing the sag during firing using the same atomizer 40/50 watts) and full charged batteries.
Both batteries are new also. The HD2 dipped to 3.75 volts and the HE4 dipped to 3.56 volts . No sign of "weak battery", even put on my Aromamizer with dual clapton's @ 75 watts but of coarse the battery was full charge. It's going to work for the "test"

[13422239_1227312453959643_2650101602356175855_o] 
[13412041_1227312513959637_5659738745752915526_o]  [13350246_1227312583959630_117517099371922126_o]
[13416978_1227367297287492_401748798368808848_o] 

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I am not connected with and do not represent Evolv Inc. All opinions are my own. They are just opinions and may not be correct.
BillW50

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Reply with quote  #11 
Looks awesome! [love]
ChunkyButt200

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Reply with quote  #12 
i think the glossy SS body looks good. look at you, making sure your diy kangxin sqounker gets in on some lovin as well!

my black smy dna75 just processed through isc new york.

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1.21 JIGAWATTS............GREAT SCOTT!........WHAT THE HELL IS A JIGAWATT?
• I am not employed by nor do I represent Evolv Inc.  All opinions are my own, they are just opinion not fact and can be wrong •
Latest versions of EScribe: DNA 200 • DNA 75  Common problems
EVOLV HELP DESK - https://helpdesk.evolvapor.com/?a=add
LOST VAPE WARRANTY REPAIR - http://www.lostvaperepaircenter.com
dwcraig1

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Reply with quote  #13 
If only they made a 75 with the foot print of a 40...LOL
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I am not connected with and do not represent Evolv Inc. All opinions are my own. They are just opinions and may not be correct.
ChunkyButt200

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Reply with quote  #14 
Quote:
Originally Posted by dwcraig1
If only they made a 75 with the foot print of a 40...LOL
take the 75 board and snap it in half. then it'll be half the length and work for your needs, trust me[crazy]

__________________
1.21 JIGAWATTS............GREAT SCOTT!........WHAT THE HELL IS A JIGAWATT?
• I am not employed by nor do I represent Evolv Inc.  All opinions are my own, they are just opinion not fact and can be wrong •
Latest versions of EScribe: DNA 200 • DNA 75  Common problems
EVOLV HELP DESK - https://helpdesk.evolvapor.com/?a=add
LOST VAPE WARRANTY REPAIR - http://www.lostvaperepaircenter.com
BillW50

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Reply with quote  #15 
Quote:
Originally Posted by ChunkyButt200
take the 75 board and snap it in half. then it'll be half the length and work for your needs, trust me[crazy]


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