Tow segment data · Day 12

Springfield MO Tesla SC St. Robert MO Tesla SC

This 79.6-mile tow leg from Springfield MO Tesla SC to St. Robert MO Tesla SC on Day 12 averaged 1.00 mi/kWh, -19% the 1.23 mi/kWh ledger average, dropping about 313 ft net, into 25 mph of strong headwind penalty, around 78°F. That works out to a full-pack tow pace of about 141 miles on the 141 kWh pack, ranking #40 of 47 logged legs by efficiency.

1.00 mi/kWh towing
141 mi full-pack pace
-19% vs ledger average
#40 of 47 by efficiency
Efficiency 1.00 mi/kWh -19% vs 1.23 mi/kWh ledger average
Range pace -33 mi against the current full-pack tow average
Grade -3.9 ft/mi 1,370 ft climbed
Wind strong headwind penalty 25 mph ESE
Temperature mild temperature 78°F avg, 70-88°F
Elevation profile

The road shape behind the number.

Start 1,394 ft Peak 1,503 ft End 1,081 ft 79.6 mi, a net descent
Raw data

The data points

Distance
79.6 mi
Energy used
79 kWh from the pack
Efficiency
1.00 mi/kWh
Consumption
1,000 Wh/mi
Expected range
141 mi on a 141 kWh pack
Net elevation
-313 ft descent
Total climbed
1,370 ft up
Total descended
1,680 ft down
Peak elevation
1,503 ft
Average grade
-4 ft/mi
Wind
25 mph ESE Wind direction worked against the trailer and likely pulled efficiency down. ↓ strong headwind penalty
Temperature
78 °F avg 70-88°F mild temperature

Dashboard at arrival

The Rivian center-display readout when we rolled into St. Robert MO Tesla SC . Point-in-time instrument values, the kind of telemetry that goes continuous once we start logging OBD-II.

Pack temp
120 °F
Ambient air
88 °F

Why it ran this way

Straight into the teeth of the ESE wind on I-44 east. A flat 1.0 mi/kWh, 79 kWh for 79.6 mi, despite a slight net descent.

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