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Discussion Starter · #1 ·
A standard 2021 Porsche Taycan has broken the Guinness World Record for the shortest charging time to cross the United States in an electric vehicle. It only needed a cumulative charge time of 2 hours, 26 minutes and 48 seconds to cover a 2,834.5-mile drive from Los Angeles to New York.

While the record it broke is highly specific, there was a previous holder: A Kia EV6, which had to be charged for 7 hours, 10 minutes and 1 second to make a similar, but just slightly longer, trip from New York to LA.

https://www.yahoo.com/finance/news/...s-country-charging-time-record-160032782.html
 

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I saw that today on TEN. I assume that to get the record you cannot be pull charged. Otherwise I would hook up a pull mount to the front of the car, drive 90 mph until 5% charge then connect up to Diesel truck and let them pull charge until 90% and repeat. You would never have to stop.
 

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Something doesn't add up. The article said he charged from 6% to 82% in 22 minutes on a 350kW charger. There's no way you will get more than 300 miles if you keep running 76% out of the battery, charging 22 minutes, running down another 76%, etc. The journey was 2834 miles. 2834 divided by 300 is 9.4. That's 10 charging stops. Remove one because you wouldn't have to charge the first 300 miles.

So 9 charging stops at 22 minutes each = 198 minutes = 3 hours 18 minutes. He claims to have done it almost an hour faster than that. And I'm being incredibly generous with 300 miles of highway range on a Taycan using 76% of its battery!

Mike
 

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Something doesn't add up. The article said he charged from 6% to 82% in 22 minutes on a 350kW charger. There's no way you will get more than 300 miles if you keep running 76% out of the battery, charging 22 minutes, running down another 76%, etc. The journey was 2834 miles. 2834 divided by 300 is 9.4. That's 10 charging stops. Remove one because you wouldn't have to charge the first 300 miles.

So 9 charging stops at 22 minutes each = 198 minutes = 3 hours 18 minutes. He claims to have done it almost an hour faster than that. And I'm being incredibly generous with 300 miles of highway range on a Taycan using 76% of its battery!

Mike
I suspect they rarely, if ever charged to 82%. Not sure what the charge curve is like, but suspect it's much better if you keep it between 10% and 50 or 60%. I'm sure they timed things perfectly, and possibly had EA add stations where necessary in preparation, since it was a joint marketing effort.
 

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Discussion Starter · #6 ·
The driver was Wayne Gerdes whose specialty is hypermiling. He does this for a living and does much better than the average driver; however, he shows what is possible. For example:
How 'hypermiling' can save you a lot of fuel (and the planet) | CNN

Gerdes hold several other records. He once pushed a Honda Insight hybrid to four times its rating, achieving 220 miles per gallon on a 15-mile drive.

In 2008 he drove a stock Toyota Prius on an all-highway, 805-mile route from New York to Chicago on a single tank of fuel (he arrived with a gallon to spare).

Similarly, last year, he drove a RAM 1500 truck from Los Angeles to Denver on a single tank, while climbing over the Rocky Mountains in mid-winter.

He has his own website, CleanMPG at:
CleanMPG
 

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This was a hypermiling exercise for Wayne, and a contrived PR stunt for Porsche.

Charged very carefully and with utmost planning, the car might average 250 kW charging. He charged for 2.5 hours, so he added 250*2.5 = 500 kWh.

This is Wayne Gerdes, so I'll guess he drove about 35 - 40 mph with tyres at least inflated to sidewall maximum. That then works out to about 2400 miles divided by 500 kWh = 4.8 miles a kWh.

I don't doubt the result

Addendum: From the Guiness report:
"...The journey began at Los Angeles City Hall on 7 November 2021, stopped to charge at 18 charge stations, and traveled 2,834.5 miles before arriving at NYC City Hall on 12 November..."
If he started the trip moments after 7 Nov began, then 120 hours passed by the time 12 Nov began, plus however much of the last day he drove. What a miserable way to travel.

By the way, I still use the OBDII adapter I won from a Wayne Gerdes contest years ago that asked people to guess the MPG he would achieve hypermiling a particular hybrid (I don't remember which one.) He managed about 2x EPA. Which is about what he managed with this Porsche.

So have no doubt folks, this is a stunt that perhaps only Wayne can pull off. And perhaps only Wayne would want to pull off.
 

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The driver was Wayne Gerdes whose specialty is hypermiling. He does this for a living and does much better than the average driver; however, he shows what is possible. For example:
How 'hypermiling' can save you a lot of fuel (and the planet) | CNN

Gerdes hold several other records. He once pushed a Honda Insight hybrid to four times its rating, achieving 220 miles per gallon on a 15-mile drive.

In 2008 he drove a stock Toyota Prius on an all-highway, 805-mile route from New York to Chicago on a single tank of fuel (he arrived with a gallon to spare).

Similarly, last year, he drove a RAM 1500 truck from Los Angeles to Denver on a single tank, while climbing over the Rocky Mountains in mid-winter.

He has his own website, CleanMPG at:
CleanMPG

Yeah, my guess is he drove very slowly to do this and only measured charge time to sorta show off the massively quick charging ability of the Taycan. I think on that other thread about someone moving from WA to FL (was it?), the Porsche had the shortest charging wait time overall, even less than a Tesla. Since they only measured charge time in this record, it wouldn't matter if he drove 35 miles the whole trip, but that's sorta lame IMO if that was done, but obscure record hunters I guess.
 

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I quote Wayne below talking about the EA network during this trip. Taken from his website

All told, while on the EA Charging Network Status and Improvement project, I was specifically searching out the most reliable, high charge rate chargers for a possible future GWR. With Tesla designing and maintaining their own network for their own known vehicle configurations, it is hard for me to believe that any current or future non-OEM DCFC based charging network will ever match theirs for the overall positive charging experience.

On the other hand, If Lucid, Toyota, or let us imagine a conglomerate of utilities were to build their own DCFC charging network(s), this would surely improve the overall charging network reliability and performance for non-Tesla owners. It is sad that the public DCFC networks do not work 100 percent of the time like the L1s and L2s in our homes and garages but even Tesla owners have felt the sting of an underperforming or inoperative Tesla charger from time to time. The EA network is an order of magnitude or more behind the Tesla network in terms of charging reliability at this time unfortunately.

I want to mention one other item here. A DCFC cabinet, cord and connector are exposed to the harshest climate extremes and in the case of those CCS handles, dropped from 2 to 3 ft onto hard pavement far more often than they should. There are temp sensors in those connectors and once that sensor is broken, the charger will not provide max current as the comms protocol will limit power flow due to a mismatch of sensors at the connector interface in comparison to the vehicle sensors and the cabinets sensors upstream. That is probably where the EA and just ramping up EVGo network is at a significant disadvantage to the Tesla V2 and V3 chargers. The EA/EVGo CCS connectors are heavier, the cables are bulkier, and the connections alignment makes it harder to connect and disconnect. This paragraph includes my own thoughts while providing some wild @$$ guesses as to where the weak link in the EA DCFC system is occurring when compared to the Tesla V2 and V3s.

With all of the above, I was never stranded at an EA Charger location while traversing those 22-states during the charger network status and improvement project. I had to move from cord to cord or cabinet to cabinet at some locations, but I was never stranded. I was arriving at a given EA charging location with between 1 and 20 percent SOC 80+ percent of the time to ensure the Taycan would reach theoretical maximum charging rates. In other words, I had few options to reach the next one so hopefully that provides a broader picture of my experiences and trust of the EA network. In a nutshell, I would not hesitate to drive the country while relying on the EA DCFC network, but I have seen enough underperformance and outright charger failures to know there is still apprehension when I arrive with a range less than 50-miles and am in the middle of nowhere.
 

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If Wayne had reported that with a battery that is at ideal temperature, 250 kW can be obtained between the SoC range of X to Y, we would know everything of interest this stunt offered. The rest was fluff, and more than a little sleight of hand because the casual reader may not realize that the record was Wayne and his hypermiling, not the car or the EA network.

A record that to me at least would be of interest would be total traveling time excluding sleep. Extending travel time in order to reduce charging time is one big Meh. I'm not against fuel efficient driving at all but this stunt rubs me the wrong way, I suppose because it is misrepresented by excluding important details and Porsche's use of it for deceptive advertising.
 

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Indeed about Wayne Gerdes and hypermiling. Eventually, he became very well known to automakers who sometimes use him for publicity stunts.

I did meet him briefly as he was invited to the gen 3 Prius (model year 2010 was its start) unveiling in Detroit in Jan 2009, as were about ~50 of us Prius fans.

He was a participant in Hybrid drivers complete run for mileage mark "Prius during the final 30 minutes of the 47-hour, 1,397-mile trip completed on a single tank of gasoline." and I read This Guy Can Get 59 MPG in a Plain Old Accord. Beat That, Punk. about him long ago.
 

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So, at a speed of 40 mph, the whole 2,834.5 miles took a total of 70.86 hours. Adding the 2.25 hours of charging, the total sums up to a little over 73 hours. Considering he drove 12 hours a day, this means a 6 days trip. I wonder what did he do during sleep ?
 

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The driver was Wayne Gerdes whose specialty is hypermiling. He does this for a living and does much better than the average driver; however, he shows what is possible. For example:
How 'hypermiling' can save you a lot of fuel (and the planet) | CNN

Gerdes hold several other records. He once pushed a Honda Insight hybrid to four times its rating, achieving 220 miles per gallon on a 15-mile drive.

In 2008 he drove a stock Toyota Prius on an all-highway, 805-mile route from New York to Chicago on a single tank of fuel (he arrived with a gallon to spare).

Similarly, last year, he drove a RAM 1500 truck from Los Angeles to Denver on a single tank, while climbing over the Rocky Mountains in mid-winter.

He has his own website, CleanMPG at:
CleanMPG
Wow, thats literally insane. I figured this guy must be pretty talented, in that he was speaking directly to Electrify America engineering and Porsche to recommend software updates - that they executed days later - from his data and write ups he was giving them.

He apparently has hundreds of gigabytes of video and data, and Guinness Certified his achievement, so thats as legit as anything will ever be. Pretty amazing though! I don't know if I will ever need a car to charge at 350 kw - which is kind of unbelievable in its own right. But there you have it.
 

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Gerdes was also part of this:
"The team included Nascar driver Carl Edwards, high mileage trailblazer Wayne Gerdes and several Ford Motor Company engineers who took turns at the wheel, twittering their progress along the way."
There was a bunch of stuff on Ford.com at the time including press releases.
 
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