Show HN: I Designed and Built an eBike

Re:Show HN: I Designed and Built an eBike by Avlin67 on Wednesday February 23, 2022 @10:32PM (#30449887)

efficiency: not so much

noise: quite a bit

also bear in mind that just 100w added to someone which is already sportive is quite sufficient for commuting. going harder would put excessive wear on bike chains that for me are already excessively thin.

now, tires and brakes. did you use bicyle grade tires that are way too soft or some ebike rated tire that are much harder ? also brake, olease check your brake, you don’t need to be electric for make the brake suffer, so that you need bigger discs, ceramic pads…

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Re:Show HN: I Designed and Built an eBike by gkasev on Thursday February 24, 2022 @03:15AM (#30452125)

Thank you! Yes, brakes are important and I have 203mm discs front and rear.

After building this, I'm dreaming of building something very elegant - a 50W to 100W torque generator that is tiny in size and very lightweight, and it fits within the hub of the wheel. Maybe not using batteries at all, but supercapacitors the are charged when you brake and discharged when you accelerate.

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