Tesla Roadster v1.5 2009

This is the results, briefly test drive a genuine production model with the latest transmission and software updates (aka "powertrain 1.5"). Check out our round-two impressions after the jump.

Tesla Motors revealed latest Tesla Roadster, dubbed v1.5 because of its new single-speed transmission. While Tesla went through some teething issues with its early two-gear transmission, this one is identical to the "problem solved" production version now being delivered to customers. Mid-mounted in the chassis is a 248-hp electric motor hooked up to the new single-speed fixed-gear Borg-Warner transmission.The Tesla Roadster is actually built on a Lotus Elise platform. Originating in England, the bare extruded aluminum chassis is shipped to Tesla's brand-new assembly facility in San Jose, California. Upon arrival, it is mated with an electric motor (shaded in gray and located between the rear wheels in the above image), 6,831 individual microprocessor-controlled liquid-cooled lithium-ion battery cells (in purple), some seriously sophisticated electronics (in green), and all of the other go-fast components needed to make a proper sports car. With all 992 pounds of batteries hidden under the custom carbon fiber body panels, the Tesla Roadster weighs about 2,700 pounds.



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