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Old 03-04-2021, 12:43 AM   #3 (permalink)
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OP -- You deserve better more answers.

It would be faster backward, i.e., a tandem bogie replaces the rear wheel.

An open-wheel trike, but the same idea. It let's you keep pedal power, maybe with two electric motors in back.

Cold hearted orb that rules the night, Removes the colours from our sight, Red is grey and yellow white, But we decide which is right, And which is an illusion.
The Day Begins -- Moody Blues
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