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Tesla to Demo 400-Mile Roadster

December 29, 2014 in Electric Drive, EVs by Rich Piellisch  |  No Comments

‘Roadster 3.0’ Applies to Model S Knowhow to Startup Car

Tesla is applying knowhow developed for its Model S sedan to its first product, the Roadster, and the result may well be a battery electric car with a single-charge range of 400 miles.

Tesla is planning to drive its improved Roadster – ‘Roadster 3.0’ – non-stop drive from San Francisco to Los Angeles in the early weeks of 2015.

Tesla is planning to drive its improved Roadster – ‘Roadster 3.0’ – non-stop drive from San Francisco to Los Angeles in the early weeks of 2015.

“The original Roadster battery was the very first lithium ion battery put into production in any vehicle,” states a Tesla blog post. “It was state of the art in 2008, but cell technology has improved substantially since then.

“We have identified a new cell,” says the Tesla team, “that has 31% more energy than the original Roadster cell. Using this new cell we have created a battery pack that delivers roughly 70 kilowatt-hours in the same package as the original battery.”

Early 2015 Demo Planned

New tires and a kit to improve vehicle aerodynamics have been developed for the Tesla Roadster too, and Tesla is improving the Roadster’s wheel bearings and residual brake drag performance.

“Combining all of these improvements we can achieve a predicted 40% to 50% improvement on range between the original Roadster and Roadster 3.0,” states the post, citing “a set of speeds and driving conditions where we can confidently drive the Roadster 3.0 over 400 miles.

“We will be demonstrating this in the real world during a non-stop drive from San Francisco to Los Angeles in the early weeks of 2015…

“Appointments for upgrading Roadsters will be taken this spring once the new battery pack finishes safety validation.”


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Source: Tesla Motors with Fleets & Fuels follow-up

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