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  1. R

    Reciprocal drive

    Have ya even checked out the string bike?
  2. R

    Reciprocal drive

    Am interested in a reciprocal drive as a more efficient means of propulsion. Stringbike has an interesting propulsion that also uses a 'string' as opposed to pedaling. Also want a 'stairmaster' type of pumping as it is smoother than pedaling. Have an idea of how it can work but need an...
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