This guy had the time and the ingenuity to put together a quick little go-kart.
Build cost (parts only): about $1500
Motor: ADC shunt wound (separately excited)
Controller: Sevcon 300A
Motor and controller source: used, Ebay, about $550 for both
Top speed: about 40 mph
run time: 1 hour hard driving
charge time: 4-6 hours using 4 12v chargers, one per batt
weight: 325 lbs without driver
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