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| Bird Island @ Point Lobos State Reserve |
iles are quite tricky to understand when it comes to Tesla cars. (Why only Tesla? Probably all-electric cars). While the battery in each car is specified to have a range — a long-range Model 3, for example, can be charged fully to a range of 310 miles — the actual odometer miles that one may realize during a drive can be substantially less.We had occasion to drive to Point Lobos State Natural Reserve recently. Google Maps recommended we drive down 101 South, through 156 West, and finally via 1 South, for a total of 81.6 miles, one way.
Terrestrially speaking, by using Googe maps, we estimated that the drive would add about 2*81.6, or about 165 miles, give or take a few.
At the end of the trip, however, I was surprised to see the following:
At the end of the trip, however, I was surprised to see the following:
- Remaining range miles: 59, after a start range of 279 miles. (279 = 90% charge limit, as recommended by Tesla). In other words, we used up 220 range miles.
- Odometer mile difference: 170.
Thus, one can define an odometer/range efficiency of 170/220 ≅ 77% for this particular drive.
Although the Tesla console does recommend where to stop for a supercharge during long drives, it is also good to keep in mind a 75% thumb rule, based on the efficiency defined above, as to when a replenishing charge would be required.
Although the Tesla console does recommend where to stop for a supercharge during long drives, it is also good to keep in mind a 75% thumb rule, based on the efficiency defined above, as to when a replenishing charge would be required.
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