Taxman's Lightning Chronology

[FlasherZ]

Oh, that’s cool that you can see what the truck is requesting. I really need to get that app.

Can it tell you how much energy the truck is using for the cooling system while charging?

That's the difference between the blocks just below the requested blocks... that's how much is going into the battery vs. the top blocks which are how much is entering the truck. In this particular case, this is early in the charging session and the cooling system seemed to be negligable.

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[vandy1981]

That's the difference between the blocks just below the requested blocks... that's how much is going into the battery vs. the top blocks which are how much is entering the truck. In this particular case, this is early in the charging session and the cooling system seemed to be negligable.

Can it tell you how much energy the truck is using for the cooling system while charging?

I've seen 3-5% in losses for CCS charging so that's less than 13 kWh for a full charge on an ER Lightning.

 

[FlasherZ]

I've seen 3-5% in losses for CCS charging so that's less than 13 kWh for a full charge on an ER Lightning.

That's roughly what I saw, too - about 4-5 kW used by the cooling system at the peak of charging.

 

[LightningShow]

I've seen 3-5% in losses for CCS charging so that's less than 13 kWh for a full charge on an ER Lightning.

I’m curious because i’m going to do some efficiency testing and i want to be able to determine the losses during each charging session to a relatively accurate degree.

 

[vandy1981]

I’m curious because i’m going to do some efficiency testing and i want to be able to determine the losses during each charging session to a relatively accurate degree.

EA sends you a summary email with total kWh for a given session and I think you can also see it in the EA app. You can calculate the total actual charge added by noting the kWh displayed on CarScanner or another OBD app before and after the charging session.

 

[PungoteagueDave]

Unfortunately, without blocking the parking aisle or dropping the trailer first, the only station I could reach was the 350 kW station, so I dealt with it.

Watching the voltage vs. current, I could see that the 350 kW station seemed to be limited to around 315A or so. You can see the truck thinks it can handle up to 500A (requested current), but the station was only delivering 315A (and never did more):

Another interesting tidbit is that my state of health went back up from 99.5 pct to 100 pct...

what is that app?

 

[MickeyAO]

what is that app?

Torque. I'm setting mine up as we speak.

 

[Griddlez]

This thread looks like a good place to post. Now that I have my Lightning Lariat-ER with Max Tow. It was time to pickup my new CONNECT travel trailer.
It was a bad day for towing but I had no choice. Rainy, windy day. I had a head wind of 28klm gusts to 40klm (18mph to 25mph) I only needed to travel 100klm (62 miles) to get home so off we go.
Trailer specs:
Weight 8,000 lbs.,
Length 37 feet
Height 9.5 feet top of Air-conditioner,
By the time I got to the trailer dealership I had 84% charge =404klm (251 miles) range.
After hooking up the trailer and entering the trailer details the GOM says 202klm(126 miles) range.

The drive was very steady I could feel the wind gusts now and then. The truck pull the trailer very easily.

By the time I got home and parked the trailer in our RV storage lot. The GOM said 50klm (31miles) while connected to the trailer. After disconnecting from trailer GOM said 150klm (93miles)
This trip reported I used 150kWh/100klm.

If I am figuring right 150kWh/100klm = 150kWh/62miles= .41miles/kWh math wizards please check.

Not the best results. But I was on a 400 series HWY for half the trip running at 100kph (62MPH) into a 20kph head wind. So on a relatively calm day I think a safe charger to charger range would around 200klm (125miles). That would give me a good buffer for none functioning charge stations or camp sites with no open 50 amp sites. I think I can make this work time will tell.

As you can see the dealer service techs were all over the lighting. The fellow checking the power plugs has ordered a RIVIAN over a year ago and no sign of it yet. He wishes he had tried to order the lightning.

Impressive towing - that's a monster travel trailer!

 

[TaxmanHog]

End of 2022 Statistics

I've had my Lightning Lariat-ER for just about 5 full months, total of 4454 miles driven, I averaged 1.9 miles to the kilowatt hour, if this were all charged at my home at the prevailing rate of 24.86 c/kwh, the imputed energy should be 4454=miles / MPK=1.9 / 11%-conversion losses = .89 x $0.2486 the total cost of driving would be around $654.80

I had several free session of DCFC 250 KWH from EA which I used for the trailer haul testing, then many more EA sessions for cross state road trips at the rate of 24c/min members rate optimizing these sessions to 20% to 80% top-up yields 13 to 19 cents a KWH.

The final factor is non-drive & charging costs the prime purpose was for pre-conditioning to get the traction battery ready for cold drive performance and remote-start while connected to shore power.

All that said, my grid meter readings and Emporia Vue2 data logs indicate 2397 KWH actual energy, at two toll rates some was at 24.86 c/kwh for 3 months and two months at 48.3 c/kwh

Overall 3052.1 KWH for a total cost of $1053, or 34.5 cents a KWH & 23.9 cents a mile over 4415 miles and an effective 1.45 MPK

I admit the above is a convoluted set of statistics, my plan for 2023 is to use Emporia to get weekly charge consumption, weekly mileage from the truck, then when I need to use DCFC for racing trips or regional long distance travels, I'll summarize those events monthly using this format, the red lines at the end of each month will have all DCFC KW, Minutes and total charges including the $4 monthly member fee. The statistics will be summarized for all power modes monthly

 

[SilverBrewer]

At 3 bucks a gallon you’ve save what 20 bucks on gas if you charged only at home? 4454/20x3=668 - this is assuming 20 mpg which probably was t realistic unless you come from. 3.5 but still not bad.

 

[TaxmanHog]

At 3 bucks a gallon you’ve save what 20 bucks on gas if you charged only at home? 4454/20x3=668 - this is assuming 20 mpg which probably was t realistic unless you come from. 3.5 but still not bad.

Adjusted assumptions seasonal values projected on last years driving.
At $4.99 a gallon I saved $827 [1482g- 655e]
4454 miles / 15-mpg X $4.99 = $1482 - [15 mpg mixed seasonal]
Diesel needs to drop to $2.21 to reach break even on this quick comparison

Diesel in Mass is running 4.99 (Bj's & other discounters) to 5.99 (Mobil/Shell.Speedway) a gallon, higher closer to the freeway, before I sold the truck I was buying from BJ's and other fair market retailers, not the highway robber barons.

Spring/Summer/Fall operations

The truck mostly sits in the summer because I ride a street motorcycle most of the time in fair weather, when I am on a race trip then the truck is used, the old diesel got 12.8-MPG towing and the Lightning gets around 1.1 MPK-Towing.

In race season 2023, I am planning 10-13 trips of appx 212 miles round trip, those trips will be at optimum EV operating temperatures spring, summer and fall, 1.1 [MPK Towing] requiring 193 KW.

I will get most of that energy from 2 DCFC sessions mid trip stops, in Massachusetts, providers charge by the minute EA member rate is $0.24/min, I was averaging ~13.3 cents a KWH
Session-1 requires 25 minutes to get 35% to 80% or 60 KW for about $8
After the race day is over, I need stop again middle of return trip
Session-2 requires 25 minutes to top up from 35% to 80%, 60KW and $8
Final top up at home from 35% to 90% or 73KW and $18
The total race trip energy cost $34

The full year of 13 races total cost is around $442
The former 2012 F250 PSD used 16.56 gallons @12.8 MPG @ $4.99/gal = $83 or 13 races for $1079
Using an EV in these conditions is saving me about $637 or 59% the energy costs.
Dollars in the pocket is not huge, but I'm saving.

Charging time expense in excess of liquid fueling is 40 minutes x 13 trips ~ 9 hours, I'll write this off to retirement and the fact I can still do constructive activities while charging with no time pressures of rushing to work or family activities.

================
Winter /non-race season, when it's not feasible to ride the street bikes and the race track has closed for the season 11/1 to 3/31, I'm in the truck more often, looking at my old truck fuel logs, I drove about 7400 non-towing miles, dividing that by a better 18 mpg equals ~411 gallons of fuel @ $4.99 = $2,051

If I were to do those same 7400 miles for a seasonal MPK of 1.9, multiplied by home charging energy rate of $0.2486 and dividing the results to account for AC/DC conversion losses of .89, I arrive at [7400/1.9*0.2486/.89] = $1,088. This is worst case, but several of those trips will involve DCFC at a better cost advantage. For discussion I'm saving $963 in fuel costs or 13 cents a mile saved, if the diesel price dropped to $2.65 a gallon then I would be at break even no cost advantage for fuel aspect, given world events and politics (lets not go to deep into this) I don't see prices coming down any time soon.

===============

None of this accounts for the maintenance and tires for either vehicle, I'll save on expensive oil changes for the diesel engine at 13 quarts a change, fuel filters at $90 a set, opposed to needing more tire changes on the Lightning, I'm not sure how that will play out, but the F250 got 50,000 miles on the OEM set, I'd be happy to do the same on the Lightning, but comments from others indicate it won't.

===============

This is a long term experiment, at least four years per my commitment with the Mass MOR-EV-TRUCK program and the terms and conditions of the state rebate of $7500.

 

[antimatterparticle]

@TaxmanHog do you think I could tow a 6000-7500 RV from NJ to Florida? Toying with the idea of buying an RV before spring break.

 

[TaxmanHog]

@TaxmanHog do you think I could tow a 6000-7500 RV from NJ to Florida? Toying with the idea of buying an RV before spring break.

Using ABRP tool, Lightning ER profile modified to 1.0 MPK with a target speed 65 MPH

Aerodynamics of the RV has a huge impact, but here is a guess, cool March temps in Jersey City to mild/warm Daytona 1052 miles, total transit time excluding sleep stops is 26 hours of which 8 are at 13 charge stations, typical charging curve will have you arriving with 15% reserve then charge to 80% then resume driving, wash rinse repeat 12+ stops.

Along this route one segment will be limiting speed at 60 mph, you would stop at EA Walmart 630 Florence, charge to 90% to make the leg at 60 mph to reach EA Cycle Lane Walterboro where you can resume charging to ~80%

Until you have the trailer and can run an actual performance test, this is mere speculation, even if you get lower performance, just plan for more stops, and then getting back the Jersey repeat!

 

[antimatterparticle]

Using ABRP tool, Lightning ER profile modified to 1.0 MPK with a target speed 65 MPH

Aerodynamics of the RV has a huge impact, but here is a guess, cool March temps in Jersey City to mild/warm Daytona 1052 miles, total transit time excluding sleep stops is 26 hours of which 8 are at 13 charge stations, typical charging curve will have you arriving with 15% reserve then charge to 80% then resume driving, wash rinse repeat 12+ stops.

Along this route one segment will be limiting speed at 60 mph, you would stop at EA Walmart 630 Florence, charge to 90% to make the leg at 60 mph to reach EA Cycle Lane Walterboro where you can resume charging to ~80%

Until you have the trailer and can run an actual performance test, this is mere speculation, even if you get lower performance, just plan for more stops, and then getting back the Jersey repeat!

Thank you for taking the time to look into it!

1.0 MPK would be a “deal breaker for me”. I may have to rent a similar size RV and test it as you say. I was hoping for 1.5mpk minimum.


miles 1129 With overnight stop in florence sc as per abrp

28h22m total with 8h22m charging @ 1mpk
25h.41m total with 6h36m charging @ 1.5mpk
22h35m total with 4h27m charging @2mpk
21h44m total with 3h34m charging @2.4mpk(epa)

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