Small handmade DNA 75

[VapingBad]

Now they have officially launched I can post about the mod I made, I have been beta testing them and am bound by a non disclosure agreement.

As usual I want a small and tough mod with tool less battery changing. I used the same alu box section I have used with DNA 30 and DNA 40s (links in my footer) since this board is 5 mm shorter than the 200.  I also brazed the alu together and filled the front of the board mount holes with it instead of using epoxy.



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.


+ve is a thin bit of Cu on some more circuit board.


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


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



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




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.

[jtc]

Fair play mate
Looks a great little thing

[sydsut]

Looking Good and I can't see the 510 is out.

[gill2009]

  Very nice VapingBad 

[domejunky]

Didn't know it was 5mm shorter than the DNA200. Useful bit of info. Looking forward to building a parallel 18650 with it...

Liking the battery mounts. Given me a few ideas...

[pacman]

Very nice just wish I had the patience required to build one cheers

[car147]

Nice one VB

[paulbee]

Looks good, I'm thinking of trying to make a DNA75 squonker, any tips or guides that you know of VapingBad please?

[Grandad]

Looks good and bomb proof my sort of mod nice build VapingBad

[VapingBad]

May 11, 2016 16:36:18 GMT paulbee said:

Looks good, I'm thinking of trying to make a DNA75 squonker, any tips or guides that you know of VapingBad please?

Nothing specific, but I would try and find a better battery cradle than the keystone if you are using 18650s, these boards can pull 32 A from the battery.  I just made my own contacts for a keystone, not completely happy with them, but they are a lot than the keystone contacts.  Button & screen placement and board mounting are the same as the DNA 200, the board is just 1 mm shorter at the top and 4 mm at the bottom.

[paulbee]

May 11, 2016 16:57:04 GMT VapingBad said:

May 11, 2016 16:36:18 GMT paulbee said:

Looks good, I'm thinking of trying to make a DNA75 squonker, any tips or guides that you know of VapingBad please?

Nothing specific, but I would try and find a better battery cradle than the keystone if you are using 18650s, these boards can pull 32 A from the battery.  I just made my own contacts for a keystone, not completely happy with them, but they are a lot than the keystone contacts.  Button & screen placement and board mounting are the same as the DNA 200, the board is just 1 mm shorter at the top and 4 mm at the bottom.

Thanks, this will be my first build so best do my research first. Hopefully they'll be some boxes/kits available soon for single 18650!?

[VapingBad]

May 11, 2016 17:11:14 GMT paulbee said:

May 11, 2016 16:57:04 GMT VapingBad said:

Nothing specific, but I would try and find a better battery cradle than the keystone if you are using 18650s, these boards can pull 32 A from the battery.  I just made my own contacts for a keystone, not completely happy with them, but they are a lot than the keystone contacts.  Button & screen placement and board mounting are the same as the DNA 200, the board is just 1 mm shorter at the top and 4 mm at the bottom.

Thanks, this will be my first build so best do my research first. Hopefully they'll be some boxes/kits available soon for single 18650!?

These are DNA 200s, 1st is a Steam Crave conversion, 2nd Reuleaux conversion and has a build log.

evolvapor.forumchitchat.com/post/show_single_post?pid=1292067914&postcount=628&forum=454109
www.e-cigarette-forum.com/forum/threads/evolv-dna75w-interest-thread.737204/page-10#post-17678434