🖼 Reply to “Pictures and nothing else” thread 2023

brb just gonna take out a loan to setup a 3d printing factory

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I did this on Josh’s recommendation @monsterbuilder

May be worth a try for you.
Or make it worse…
But I use them like that…

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Might be worth a shot, won’t be able to try them on for a few weeks due to an upcoming trip, but walking around in them the problem felt more like the straps were too tight, even with as minimal Velcro holding on as possible. It causes the end of the pad to dig in a bit, but I think it should loosen after a while as it breaks in. It was weird because when I measured I should have been squarely in the middle of the L/XL range, so it should have been a perfect fit.

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Liquid cooled motors are pretty cool I guess.

What overlay are you using here?

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I shutter to think what sort of temperature that single motor is at haha

Been playing with metr + DashWare. I had to create a bunch of gauges and mappings, but it’s coming along. I’ll release all the files once I have a good workflow and all the kinks ironed out.

Right now the process is

  1. Export .json from metr.at
  2. Use python script to convert to .csv
  3. Load video & csv into DashWare, select custom metr mapping template
  4. Sync it
  5. Add/remove the custom metr gauges
  6. Export just the overlay as a png sequence
  7. Load that into premiere, edit & render
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Which BMS is this?

Was this a BMS failure, something else, or not determined yet?

Whatever one kaly uses.

Seems like bms. It’s what ignited it seems. I plugged it in and had to go do something inside the house. Saw smoke from my window and proceed to yank that bms out and blow out the flames on the jst header on the pcb

Bms was working on a different pcb pack(12s4p 50e)

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Had it just recently been installed on this battery?

First plug in. Different pcb pack.

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is the wiring the same on both pack?

You would think maybe since the pcb is the same kaly one🫣 but alas they just be different. Might try to undo the p groups from the pcb or replace the header.

Were the balance wires checked with a multimeter to be 100% certain none of them were in the wrong place before plugging this in?

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Whoa that would mean I measure twice cut once :face_with_peeking_eye:

Nah I assumed, which always comes back to bite.

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Bummer dude. Totally something I would do…
I hope it all is able to get sorted out.

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Haha yeah. Sounds like a perfect excuse to buy from @DuckBatterySystems right about now :face_with_hand_over_mouth:

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I’m so hyped on that machine! FINALLY someone pushing potential and ease of use for the consumer 3d printer. I figgered I’d wait until it’s about a year on the market before I pull the trigger.

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Hm, thats a…different power layout. Can you show me the other side of the PCB? Guessing phases are in the middle?

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My old boss used to say ‘assumptions are the mother of all fuck ups’

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Definitely a fair assessment, I had the money to spare and was in the market, and did a ton of background research, so I was confident when I backed the project.

It’s been going nonstop since I got it haha

So far, I’ve printed PETG, ABS, PLA, Silk PLA, and PLA+

Pretty much zero flaws on any of em

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It’s a DV4. This is a different unit but same version


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