Tow segment data · Day 26

Grand Junction RAN Arches NP, North Window

This 118.3-mile tow leg from Grand Junction RAN to Arches NP, North Window on Day 26 averaged 1.09 mi/kWh, -11% the 1.23 mi/kWh ledger average, climbing about 3,870 ft, into 18 mph of noticeable headwind penalty, around 65°F. That works out to a full-pack tow pace of about 154 miles on the 141 kWh pack, ranking #35 of 47 logged legs by efficiency.

1.09 mi/kWh towing

154 mi full-pack pace

-11% vs ledger average

#35 of 47 by efficiency

Efficiency 1.09 mi/kWh -11% vs 1.23 mi/kWh ledger average

Range pace -20 mi against the current full-pack tow average

Grade +4.9 ft/mi 3,870 ft climbed

Wind noticeable headwind penalty 18 mph SW

Temperature mild temperature 65°F avg, 73-90°F

Elevation profile

The road shape behind the number.

Start 4,589 ft Peak 5,173 ft End 5,173 ft 118.3 mi, a net climb

Raw data

The data points

Distance: 118.3 mi
Energy used: 108 kWh from the pack
Efficiency: 1.09 mi/kWh
Consumption: 917 Wh/mi
Expected range: 154 mi on a 141 kWh pack
Net elevation: +584 ft climb
Total climbed: 3,870 ft up
Total descended: 3,280 ft down
Peak elevation: 5,173 ft
Average grade: +5 ft/mi
Wind: 18 mph SW Wind direction worked against the trailer and likely pulled efficiency down. ↓ noticeable headwind penalty
Temperature: 65 °F avg 73-90°F mild temperature

Dashboard at arrival

The Rivian center-display readout when we rolled into Arches NP, North Window , 10:31 AM. Point-in-time instrument values, the kind of telemetry that goes continuous once we start logging OBD-II.

Pack temp: 97 °F
Motor temps: 89 °F
Ambient air: 72 °F
Heading: 232 ° SW
Tire pressure: 48 front / 53-55 rear psi

Why it ran this way

The dawn run into Utah: Grand Junction down I-70 and US-191 to Arches, towing in for a sunrise at the Windows. 118.3 mi at just 1.09 mi/kWh, the trip's lowest towing efficiency, the climb into the park plus highway speed and early AC. Trip A 5,058.7 to 5,177.0.