FishOnOne
The Great State of Texas
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What a poor showing for the Rivian electric truck on the Ike Gauntlet test. The truck towing 8,100 lbs consumed 81% of battery capacity traveling 70 miles.
From this test it's clear that electric trucks are along ways from being used for tow vehicles including the charging stations that are not layed out to support charging a truck with a trailer in tow and this truck is not compatible with the Tesla charging stations is another big flaw.
Not sure how to quantify this test but I would consider calling it an epic fail.
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Lwiddis
Southern California :(
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It’s a beginning. Seventy miles and no where to go but up. Thanks for posting.
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time2roll
Southern California
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At least the test seemed fair without the drama of running out of charge because of short charging like so many other EV tests.
The actual towing did very well. Yes wait for the 400 mile battery if planning to tow long distances.
My F150 only goes reliably 175 miles when towing. Less over I70. Although a 100% refill is faster. Performance wise the Rivian is in a different class.
I speculate regenerative braking may have been better if the cruise control was not used.
* This post was
edited 01/30/22 11:48am by time2roll *
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rjstractor
Maple Valley, WA
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I wish they had stated their ending battery mileage. When they began the Ike they were approaching .5 miles per kwh but did better on the downhill return trip back to Boulder. So maybe .75 mile/kwh at the end of the trip? I used to think that 1 mile/kwh was realistic for an EV towing heavy but that's probably a bit optimistic.
People like to hate on the TFL tow tests, but especially for electric vehicles they are pretty illuminating. Towing that lifted 4x4 on a flatbed might not be exactly like a travel trailer, but it obviously was not very aerodynamic. The TFL guys were a little perplexed that they didn't gain more charging while going down the Ike. I think it didn't occur to them that aerodynamic drag is always there whether you're going up or down. It takes a lot of energy to move an 8 foot high old pickup truck through the air at 60 mph.
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dodge guy
Bartlett IL
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And how long does it take to recharge to 100% from 10%? I know a truck takes 10 minutes to fill a large tank. And with a level 2 charger it will take 2-3 hours!
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Thermoguy
Graham, WA
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That Rivian is very impressive. I think it's just the beginning of what EV manufacturers can do to make a vehicle that will eventually be more capable than our Diesel trucks. All they really need is more battery capacity and faster charging, things they know and are working on. Right now I think so much energy is being spent on battery technology that it won't be long before that truck can go 400-600 miles towing on a single charge. Not to mention, in 10 years or less, it will drive itself. You could see in the displays all the surrounding traffic icons, how many of us have a vehicle with sensors for vehicles around us but none of them show you where the vehicles actually are. That just shows the impressiveness of this technology.
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Lwiddis
Southern California :(
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I’m very optimistic too, Thermoguy.
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ksss
Eastern Idaho
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Technology is going to need keep improving dramatically to make a pickup that tows a practical purchase. Power certainly isn't issue, but batteries and charging certainly is an issue and will continue to be one for some time. Likely most here can remember when computers became a practical home purchase, you could buy the great computer at Best Buy and it was obsolete before you made it home. I suspect this will be the situation here as well. Unless you dont pull anything to speak of, buying one of these initial release EV pickups will very quickly be obsolete as the tech gets better and better.
This pull demonstrates the limitations pretty clearly. You would need to top off the charge on your truck off before you started up the hill, then recharge once you got to the top, assuming that capability exists. When you put all of that together, it could take you half a day to get to the top of hill and able to continue on your drive. That is not practical. While this is a steep climb, there are many climbs in the USA that would also create a similar issue. Plenty of work to do here.
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Reisender
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dodge guy wrote:And how long does it take to recharge to 100% from 10%? I know a truck takes 10 minutes to fill a large tank. And with a level 2 charger it will take 2-3 hours!
No. A level 2 charger will be anywhere from 6 to 12 hours depending on the EVSE and it’s rating.
A level 3 DCFC would probably be closer to 30 to 40 minutes to 90 percent assuming a DCFC CCS machine of 200 kw or more. But this particular Rivian only has the medium sized battery so the long range Rivian will probably be closer to 40 to 50 minutes to 90 percent.
Not an expert. JMHO.
* This post was
edited 01/30/22 12:23pm by Reisender *
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pianotuna
Regina, SK, Canada
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Hi all,
I bumped into this today. Electric are coming our way--if we only live long enough!
https://www.cnbc.com/2021/07/26/lifetime........ower-than-gasoline-cars-experts-say.html
Regards, Don
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