Cargo Bikes

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dst2 in reply to @amey

Isn't using a battery to power a dynamo a bit inefficient?

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amey in reply to @dst2

wait what? I am saying why take power out of battery for light when you can have super efficient dynamo with 20" wheel

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MCamb in reply to @amey

The power it takes out is pretty minuscule, more efficient than a dynamo I think.
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PhilDAS in reply to @amey

The battery and motor would be pushing the bike and turning the Dyno. So you're basically using the battery to power the Dyno. With losses.

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