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The, perhaps, long-awaited e-bike motor video is *finally* here! This is the first part in a series of two videos. In this first one, I go over the design- and build process of this from-scratch DIY 500W+ electric motor befit an e-bike. www.youtube.com/watch?v=6pnC...

youtube.comI Built an E-bike Motor From ScratchYouTube video by Birdbrain

The no big acCount of Monte Carlo 𓉡

@solarpunkfox.bsky.social

13 May

Which flipsky is that? I have a 75100 pro sitting on a shelf supposedly destined for a bafang mid drive but you have me curious as to how it would perform with an axial flux.

Birdbrain

@birdbrain.engineer

It is in-fact the 75100! Thanks for recommending it <3 It works extremely well! But I do recommend upgrading the firmware on it (make sure to disable phase filters immediately after doing so and never turn them on, otherwise you'll brick the flipsky :x), it was a further maybe 5% efficiency gain.

13/5/26, 8:43 pm0 reposts1 like

The no big acCount of Monte Carlo 𓉡

@solarpunkfox.bsky.social

13 May

Splendid! I will do this. What do you think about running it well below it’s rated output and potting the whole thing?

Birdbrain

@birdbrain.engineer

13 May

Well, I can tell you that on my e-bike trips (oops spoilers XD) I have not seen the ESC's temperature go above like 28C (That'd be after like a kilometer long full throttle uphill section). I run the Flipsky at 40V and 20A max phase current, 50A absolute maximum current iirc.

The no big acCount of Monte Carlo 𓉡

@solarpunkfox.bsky.social

13 May

This is just fantastic news, can’t wait to see it in action and the method of driving the wheel. That overspec, low power builds with advanced controllers are the future has been my opinion ever since using the asi-bac 855 ten years ago.