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A collection of material searched around mid-2002
Some investigation was done by Alex Weir on suitable automotive (car) generator for use with 4-man
pedal system. The Bosch 9 120 690 170 - a 55 amp alternator-generator appears suitable.
Driving speed would have to be approx 3500 rpm, which is attainable by using 60 rpm drive through
bicycle sprockets to a 200 rpm payshaft with a 600 mm diameter driver pulley and 'eaton vee belting'
hollow flexible plastic belt drive to a 35mm wooden or similar pulley.