Tow segment data · Day 04
Barstow RAN Orange County RAN
This 174.3-mile tow leg from Barstow RAN to Orange County RAN on Day 04 averaged 1.61 mi/kWh, +31% the 1.23 mi/kWh ledger average, dropping about 2,274 ft net, into 10 mph of light headwind penalty, around 80°F. That works out to a full-pack tow pace of about 227 miles on the 141 kWh pack, ranking #6 of 47 logged legs by efficiency.
1.61 mi/kWh towing
227 mi full-pack pace
+31% vs ledger average
#6 of 47 by efficiency
Efficiency 1.61 mi/kWh +31% vs 1.23 mi/kWh ledger average
Range pace +53 mi against the current full-pack tow average
Grade -13.0 ft/mi 2,770 ft climbed
Wind light headwind penalty 10 mph W
Temperature mild temperature 80°F avg, 66-93°F
Elevation profile
The road shape behind the number.
Raw data
The data points
- Distance
- 174.3 mi
- Energy used
- 108 kWh from the pack
- Efficiency
- 1.61 mi/kWh
- Consumption
- 621 Wh/mi
- Expected range
- 227 mi on a 141 kWh pack
- Net elevation
- -2,274 ft descent
- Total climbed
- 2,770 ft up
- Total descended
- 5,040 ft down
- Peak elevation
- 4,261 ft
- Average grade
- -13 ft/mi
- Wind
- 10 mph W Wind direction worked against the trailer and likely pulled efficiency down. ↓ light headwind penalty
- Temperature
- 80 °F avg 66-93°F mild temperature
Dashboard at arrival
The Rivian center-display readout when we rolled into Orange County RAN . Point-in-time instrument values, the kind of telemetry that goes continuous once we start logging OBD-II.
- Pack temp
- 94 °F
- Motor temps
- 123-134 °F
- Ambient air
- 79 °F
- Heading
- 104 ° SE
- Tire pressure
- 52 to 53 psi
Why it ran this way
The long descent to the California coast, cooler ocean air and the drop to sea level making it the best towed leg of the return.