File:Santa’s Electric (3139885026).jpg

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What a wonderful gift from Tesla – the chance to drive the same car that I have had since August, but now with an entirely new motor, inverter and gear box. They just upgraded me to Powertrain 1.5 and firmware 3.1.12

It’s much smoother and has the rail gun torque that I had read so much about. Also, the battery coolant pump now shuts down when parked (an irksome precaution in early models that is no longer needed).

The interesting back story is that a major redesign of the whole drivetrain was enabled by a breakthrough in the semiconductor industry – a new IGBT (power transistor) that just started shipping. Advances in the smallest of components unlocked a design cascade to remove the need for shifting altogether (no transmission) while also improving efficiency (longer range, higher performance, 30% more torque, 14,000 RPM redline).

The Tesla blog has the <a href="http://www.teslamotors.com/blog4/?p=67">full story</a> and gearbox photos from the CTO, J.B. Straubel.
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Source Santa’s Electric
Author Steve Jurvetson from Los Altos, USA

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This image was originally posted to Flickr by jurvetson at https://flickr.com/photos/44124348109@N01/3139885026. It was reviewed on 13 December 2020 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

13 December 2020

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current15:30, 13 December 2020Thumbnail for version as of 15:30, 13 December 20203,306 × 2,816 (3.44 MB)Eyes Roger (talk | contribs)Transferred from Flickr via #flickr2commons

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