this post was submitted on 16 Oct 2025
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[–] echolalia@lemmy.ml 2 points 1 month ago (10 children)

I see a lot of people clowning on this guy but is it possible that something like this could come in handy for commutes with elevation changes?

Coast to work and charge the battery, use pedal assist on the way home uphill.

Seems too niche to sell a bike for this, though.

[–] MonkderVierte@lemmy.zip 1 points 1 month ago* (last edited 1 month ago)

Too much extra weight and resistance compared to the bike and driver for too less benefit. It works fine on a 2 ton box though, despite having two extra wheels.

Hmm, nice exercise in how wasteful cars really are.

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[–] Rooskie91@discuss.online 2 points 1 month ago

Physics's older brother gonna be looking for this guy.

[–] pelespirit@sh.itjust.works 2 points 1 month ago (36 children)

I don't claim to be an engineering student, why is this a bad idea? Wouldn't he just put a "collector" of energy (like a wind turbine) on the wheels?

[–] Steve@startrek.website 2 points 1 month ago

Maybe you can join his team!

But I can forgive a non engineering student… its impossible.

[–] iloveDigit@sh.itjust.works 2 points 1 month ago* (last edited 1 month ago)

It could be an OK idea that just wasn't explained right. Maybe he just wants regen braking but with one wheel for charging and the other wheel + separate battery for power at any given time. Energy would come from pedalling and hills. None of that was explained though

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[–] lennee@lemmy.world 1 points 1 month ago

or get a better battery since ur saving a lot of weight by not doing any of this. My research idea is not doing his.

[–] pineapplelover@lemmy.dbzer0.com 1 points 1 month ago

It's almost like, it regenerates its energy

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