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I would love to say that final assembly couldn't have gone smoother, but there was literally a short circuit and things caught fire.

But we persevered.

Spot welding took a super long time because I bought the cheapest welder that kept overheating, but the whole process was easy! I thought it would be scary but it was just straightforward.

I also bought a used mini lathe on Facebook and machined parts for the first time! Just two small threaded brass cylinders which are the main positive and negative terminals.

I'm really happy to say that the battery management system works perfectly, and so does the motor controller! I got the motor to spin up but it still needs so proper tuning to dial everything in.

Time to build a case and get everything mounted to the bike :)

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Comments

LokiBeat

Not dying is always good! You were worried about the weight? What did it come in at?

Bill Carlson

That cell-monitoring harness is niiiiiiice! Love the routing of the wires. Also it looks like you went with a BMS that has active cell balancing, which is great for longevity of the cells.

Brian Gaun

Congratulations, can’t wait to see how this when assembled

Watcanz

The cat looks like he is taking credit for the whole thing.

Ronald Finger

Oh yeah! Just 32.6 pounds. I was assuming it would be around 40 so this was a pleasant surprise

Ronald Finger

It’s definitely the most time I’ve ever spent on cable management haha. But yeah it’s active balance! It was only like $3 more for the active version so idk why they even make the standard version 🤔

KFH_Kevin

I'm glad you didn't die!!! 🔥🤘😎🤘🔥

Baked Beans Garage

Were there pinholes in this electricity tank? Nice to see you getting a lathe!

Xander

Oh man I can't wait to see you on that podcast with Donut, Good luck!

Ronald Finger

Oh my gosh I completely forgot to give an update on that. I don't think it'll ever be released. Joe, who hosts the show, was let go amid company restructuring the Monday after I flew out to record. From what I understand, the entire podcast division of Donut is no more.

Xander

oh no, that actually sucks, sorry to hear, ask for the footage and release only your responses on the podcast

S0wndman

Congratulations! Glad you didn’t burn to death. I’ve really gotten into watching Adam Savage lathe things. I bet that mini lathe is a lot of fun.

Jeremie

lies you definitely died and are now posting from the after life! Nice to see that the battery is done and that the "Supervisor" clearly approved after inspection

Noah McCaffery

Very nice my good sir! Hope all is going well!!

Scaarus

What's going on in the background of the last image? Have we seen that yet and I'm forgetting it, or is that a neighbor?

Sean Christopher Slocum, II

Do you think the battery and motor weigh more than the original engine? My guess is yes!