An Interview with Bob Simpson - Ardent Automotive Artisan

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Welcome, Bob Simpson of EV Drive!

• Bob started the new venture once inspired by the Tesla motors story and the white papers they published.
• Bob converted a BMW 325.
• There are pictures of the Range Extender (REX) on the e46 page.
• A proof of concept for the batteries was on a motocross bike, the e-moto-CRF250R
• EV Drive is now mostly in the business of supplying subassemblies to other manufacturers and enthusiasts.
• Higher voltage is better for powering these types of motors. Upwards of 700V out of the battery assembly!
• Bob used standard A123 battery packs and built a Battery Management System (BMS) around each cell (floating).

Got any more questions for Bob? Leave them in the comments!