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Old 11-04-2020, 11:55 AM   #41 (permalink)
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Originally Posted by hayden55 View Post
Nice. I had no idea. That is pretty cool.

And if you're right about 1.6 mi per kW thats awful. lol
Electrify America is owned by VW so they built it out work with the 800v battery in the Porsche Taycan

1.6 miles / kWh = 54 MPGe. Not bad for a truck

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Old 11-04-2020, 12:25 PM   #42 (permalink)
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1.6 miles / kWh = 54 MPGe. Not bad for a truck
That's right in line with my cost estimate based on a Prius. As I said, it's not too bad driving a tank for the cost of a Prius.

Of course, the Hummer won't be as "green" from a CO2 perspective because there is enormous entrained energy to build the enormous vehicle, and especially the huge battery pack. It might be more green than driving a normal Hummer, but not by much.
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Old 11-05-2020, 02:40 PM   #43 (permalink)
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Quote:
Originally Posted by JSH View Post
Electrify America is owned by VW so they built it out work with the 800v battery in the Porsche Taycan

1.6 miles / kWh = 54 MPGe. Not bad for a truck
True thats with high standards for EV, but overall thats amazingly cheap. Weird how our standards shift over time.
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Old 11-06-2020, 12:19 PM   #44 (permalink)
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625-Watts / mile

So far, there's not enough published information available about the HUMMER to make any informed impression.
Shooting from the hip, it looks like it will be a 219 + -kWh pack for the high-end version.
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Old 11-06-2020, 12:39 PM   #45 (permalink)
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Originally Posted by aerohead View Post
So far, there's not enough published information available about the HUMMER to make any informed impression.
Shooting from the hip, it looks like it will be a 219 + -kWh pack for the high-end version.
There's lots of information, both official and otherwise.

Based on the top trim, which is the only one offered the first year - $112,600 - 4th quarter 2021. The base model is 4 years away.

We know the specs of the Ultium batteries, and the Hummer is using Ultium batteries, so we know it's 200 kWh.

We've been given an initial range estimate which allows us to have an impression of the efficiency of 1.6 miles per kWh, or 625 Wh/mile.

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Old 11-06-2020, 01:15 PM   #46 (permalink)
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specs

We need:
* overall height at maximum suspension extension
* 'normal' suspension height setting?
* a long distance, telephoto image for all views, or a set of technical drawings
* curb weight
* top speed ( and whether that is 'drag limited' or governed )
* an actual road test result for a given speed ( like Motor Trend has provided for other BEVs ), not EPA dynamometer cycles
* actual range from actual road test
* Cd would be great!
* frontal area would be great! ( although could be ascertained from a technical image )
* tire manufacturer and precise tire specifications for each of the two available tire sizes
* single planetary gearset on motor?
Moving footage of the HUMMER at speed exhibits a wake larger than the vehicle itself. Very disturbing!

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