Printed DNA 40 Bottom Feeder Mod

[Mark Denison]

Yeah I checked there first. Out of stock.
Only place I can find in stock is in the uk. The shipping is almost as much as the board

 

[BlueridgeDog]

I am pretty sure evolv isn't shipping anymore out until they fix the screen scramble issue that plagued the smaller screen dna40s.

They released the large screens to manufactures last week with several fixes that will be detailed once we get our hands on them. One rumor is that "refinement" will be optional and the C issue is resolved. I have five coming to play with.

 

[retird]

Nice thread and SWEET mod....cudo's to the beta team....

 

[BobC]

Welcome Retird, join the fun

 

[retird]

Welcome Retird, join the fun

THX BobC..... Still reviewing all the document, parts list, and etc... Initial thought was if there is any conductivity or resistance variation in the modified FD 510 with the custom vented screw but after pondering that thought I would be surprised if just feeding juice thru the 510 would have any effect....

Looking forward to "eye candy" here..... in other words..... Pictures..... LOL...

 

[drmarble]

I am more concerned about added resistance due to the dean's connectors. DNA 40s are pretty sensitive.

 

[BlueridgeDog]

I have used dean's in RC flying loads and never noted measurable resistance.

 

[Rossum]

I've been running the earlier v3.1 with the same Deans connectors, same 510, and a DNA40 in it as my daily driver / beater mod since mid October. Zero issues.

Disclaimer: I titanium coils at around 0.25 ohms and wattage set in the high teens, so I'm not pushing crazy amounts of current, but my resistance readings are rock solid (refinement never changes them by more than 0.01 ohms), so I really don't think the Deans connectors or the 510 are a worry.

 

[retird]

Refinement at .01 ohms consistently says a bunch for the build....imo.....

 

[drmarble]

OK, I'm convinced. We would need to have a 10 milliohm shift to show any change on the meter. Sub-milliohm would have no effect. I have confidence in my soldering. At one point, back in the '80s, I was "solder certified" by the FDA to build critical medical devices. I had to do 10 connection in a row with no bridging or cold joints. What a rigorous exam. This were before surface mount was common so I had lots of space.
I should get on over to Sculpteo and order.

 

[BlueridgeDog]

Could you enable printing of the body in brass? Based on what I can see of the internals, a conductive body would not impact it.

 

[Rossum]

The price would be insane. And the tolerances on the metals are questionable. One of the Beta team members had a metal PeKo body done; it was unusable.

 

[BobC]

OK, I'm convinced. We would need to have a 10 milliohm shift to show any change on the meter. Sub-milliohm would have no effect. I have confidence in my soldering. At one point, back in the '80s, I was "solder certified" by the FDA to build critical medical devices. I had to do 10 connection in a row with no bridging or cold joints. What a rigorous exam. This were before surface mount was common so I had lots of space.
I should get on over to Sculpteo and order.

<===-== Sending my soldering here

 

[drmarble]

<===-== Sending my soldering here

That was before my cataract surgery. Now I wear two pairs of reading glasses at the same time for detail work. They seem to work better than the headband magnifier.

 

[BlueridgeDog]

I just checked Sculpteo with a Body/top combo model... they want $2,000.

Wow...I was guessing $200. I have had several things printed in wax and then cast, but I guess they were smaller by orders of magnitude.

 

[retird]

<===-== Sending my soldering here

My soldering is probably not the greatest sometimes either..... here is a neat picture IMO....

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[BENTHOS]

Are the v3.1 end caps for wood body v3 compatible with v4.2 internals? Also are they sized for the large or small DNA screen? Thanks.

 

[BENTHOS]

No there arent compatible, but I am working on a v4 internal/caps for wood. But it needs a lot changes from the V4.2. The v3.1 is small screen only. The v4.2 has both large and small screen versions.

That's what I thought, but just wanted to make sure. Off to order one set of caps and a v4.2. Thank you.

 

[Aal_]

Great .... Another thread to subscribe to ....

both my 3.1's since forever are not assembled yet ( one has a wood shell even ). I have no idea how to keep on going like that. ECF has to take a year off.


Thanks GDEAL

 

[gaz0012]

Looks interesting may well give this a go .