I totally dig the idea of a regen gauge - does such a thing exist on the Roadster? I'm not a fan of the buttons on the center console, but if I could play FPSs on a QWERTY, I can learn anything, right?
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I personally favor direct touch instead of a separate relative input device - much faster, more direct interaction.
There is also a small LCD display underneath the tachometer that shows current amps used/regen.
Typically at 65-70 on the highway it seems to be about 80-110A, but that can drop to 35-55 if I tuck in behind a truck.
That 'typical' value seems too high. Lets say you were using 100A on the highway going 70 MPH for instance... At 350V that is 35kW. In one hour you would use 35kWh... To get 70 miles.
Take the handbrake off :biggrin: