What would I gain/lose by getting an EV?

[aerostealth]

For Phil Knox. A Better Route Planner itinerary for a Chevy Bolt from Radium Springs, NM to Denton Texas with stops for charging. Speculation on what a boat tail would do for this car.

2019 Chevy Bolt Road Trip from Radium Spring, NM to Denton, TX

1: 1 h 18 min - 76 miles
Walmart 512 El Paso Elect A
30 minutes 51% to 79% 15.9 kWh
$4.73
2: 1 h 34 min - 112 miles
Days Inn Van Horn Elect A
38 minutes 10% to 63% 30.2 kWh
$6.00
3: 1 h 13 min - 112 miles
Sonic, Pecos Elect A
43 minutes 10% to 68% 33.1 kWh
$6.83
4: 1 h 28 min - 95 miles
Walmart Midland Elect A
47 minutes 10% to 72% 35.4 kWh
5: 1 h 35 min - 100 miles
Walmart Sweetwater Elect A
41 minutes 10% 67% 32.1 kWh
$6.58
6: 1 h 27 min - 100 miles
Walmart Eastland Elect A
57 minutes 10% 79% 39.4 kWh $9.20
7: 1 h 55 Min -128 miles
Charger at Denton, TX
14 hours 44 minutes -709 miles
$40.92
Split over two days. Stay overnight in
Midland, TX, and use a destination
charger?

$7.58

Without a Boat Tail X = 1.0 Using a Boat Tail X = 1.3
100% 80% 60% 100% 80% 60%
240 mi 192 mi 144 mi 312 mi 250 mi 187 mi

[Piotrsko]

How much do the numbers change when you charge to a higher percentage? Or is there a economy/performance gain at 70-80% ?

[redpoint5]

Originally Posted by Piotrsko

How much do the numbers change when you charge to a higher percentage? Or is there a economy/performance gain at 70-80% ?

Efficiency won't change based on state of charge really. The Bolt has a slow 54 kW charging capability under ideal conditions, and after 50% state of charge tapers even slower. Beyond 80% of charge the Bolt is practically trickle charging, so it's not worth the time to go beyond that.

[Piotrsko]

Originally Posted by redpoint5

Efficiency won't change based on state of charge really. The Bolt has a slow 54 kW charging capability under ideal conditions, and after 50% state of charge tapers even slower. Beyond 80% of charge the Bolt is practically trickle charging, so it's not worth the time to go beyond that.

Duh. Called adsorption rate and not really efficient time wise. I was wondering if arriving at the next station with more or less charge affected that stop more noticeably other than linearly of charge time. There is a second knee in the adsorption area where current falls further and the charge time extends again. This is where I usually stop my charge since it takes an hour to gain only one more resting volt (1 mile extra range)

[redpoint5]

[Piotrsko]

Yup right there at 1:50 small, but there. I'm kinda colorblind in these colors.

AND I was inquiring about the poster's reasoning for the 80%, not yours.