First SF-Tahoe trip in P85D

[tcampos]

I'm going to try to confirm this with Tesla, but the information from this image makes some sense, and I wouldn't be surprised if the Zero Mile protection differs by model type.

Saving 9kWh for bricking and zero mile seems quite excessive to me, but going with that for a second, that would mean that the rated miles are based off of 76kWh instead of 85kWh. Bighorn suggested this is 74kWh for a P, so maybe the performance version needs a little bit of extra reserve. Using 74kWh as the capacity for rated miles with 242 being the max, would result in a rated mile baseline of ~306Wh/m. So the numbers I derived from Marc's trip would be:

- SF to Roseville: 400Wh/m
- Roseville to SugarBowl: 628Wh/m
- SugarBowl to Roseville: 176Wh/m
- Roseville to SF: 383Wh/m
- Total: 396Wh/m

This is closer to what I have been getting with my D which has also been averaging around 395Wh/m or so, so this actually makes more sense. It still means that the effective range of a fully charged battery with these efficiency calculations would be 187miles. To get to the 275 miles of charge at 65mph originally claimed for the D, we'd need to average 269Wh/m on the freeway.

My only comparison to this so far was driving home from the factory - I was at a flat/consistent 350Wh/m @ 65 on 880 and 237 which are both pretty flat.

 

[SFOTurtle]

My only comparison to this so far was driving home from the factory - I was at a flat/consistent 350Wh/m @ 65 on 880 and 237 which are both pretty flat.

Man, with my 60, on that stretch and at that speed, I would be something like 280Wh/m.

 

[Bighorn]

I think this is the chart you're referring to:

View attachment 66802

I'm not sure what "zero-mile" protection means but it looks like at least 75.9 of the 85 kWh are available if charged to 100%.
If the "zero-mile" portion is also made available for emergencies, that's a full 81.1 kWh. Not bad.

Thanks, Marc--that's it. I don't agree with the numbers exactly as the 8.5kWh Range Charge figure should be closer to 7.5 because it's 10% of what's available for rated range. I saw a photo of the dash from a 2012 car showing over 80kWh used "Since last charge", so the firmware originally did not hold anything in reserve for driving "beyond zero" ie zero mile protection.