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Look what's possible: eDumper
#1
Hey Guys,

this is is a beast of an EV!
And it never needs to be charged!
check it out Wink

eDumper



cadric
1. Installed Grid-Tie System 2017 16,5kWp:  55 x 300Wp BenQ, SMA Tripower 15000-TL30 (18-east/17-south/20-south)
2. Building Offgrid System 7,5 kWp: 25 x 300Wp Solarworld (5x( 3S + 2S )), 2x PIP-5048, Batrium WM4, in process : 18650th Powerwall,  Rest TBD
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#2
I would love to have one.
Just for show in the front garden connected to some pv panels.
And for traffic jams. Big Grin
Ibiza likes this post
Still learning English. Learning Li ion and solar technology.

4200 cells in packs Exclamation above 2500mah and 90%soh.
1500 waiting for testing.

Saving for 3 times phoenix inverter 48/3000 230v to gain also 380v
3 chargers?

Time is our enemy, must work to, the sun is our friend, must relax to.
With best regards
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#3
It's actually a little misleading in the title of the description the race car driver gives. He states that it never has to be recharged. However, lets take a look at his own numbers:

They start off at the base of the hill with 90% SoC
The climb the mountain empty, but still uses about 10%, so at 80% SoC
Then they brake regen on the way back down the mountain and reach the base with, 88% SoC.

Now that's a 2% deficit from my point of view, and repeating this trip 20 times a day would be a loss of 40% SoC.

He says they reached the bottom with 88%, but I do wonder if they were "really" at the bottom when he made that statement and the last bit of coasting they did finished off the 2+%. They don't make that clear.

Personally, I think they weren't in fact all the way down based on the last few scenes from inside the cab.
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#4
Race car driver...LOL, my fantasies where immediately running wild.
Road around amsterdam for example, me driving.

If i look at the big rigs and cranes at my work, i can't even imagine how much power that thing must have to go up hill.
We are talking about some massive badass electro motor(s).
Some serious mass that must be moved around.

I also suspect that he is not only charging at his brakes but also there is some alternator/dynamo?
If they lose 40% SoC a day, how do they charge that beast, cous it's not like a tesla or something.
I do think, on works/mining, like those that they do, go for 24/7 and not just a 8 hour working day with those machines.
I suspect they have a onboard generator like those dragliners have, but a bit bigger.
Some dragliners use a diesel generator to power up the hydraulics and there driving e engines.

Some cranes that runs on a power cable, has a electric hoisting motor where you can park your car in it.
Not talking about 380v volt but some more serious volt, the biggest one i saw used a 10kv cable.
I don't know the precise details, but i know it was a 10kv cable.

Interesting, i hope i can find more about this e beast.
Good point Korishan!
Still learning English. Learning Li ion and solar technology.

4200 cells in packs Exclamation above 2500mah and 90%soh.
1500 waiting for testing.

Saving for 3 times phoenix inverter 48/3000 230v to gain also 380v
3 chargers?

Time is our enemy, must work to, the sun is our friend, must relax to.
With best regards
Reply
#5
A bit more details in the links below. In short, the fully laden edumper regens much more energy on the way down than it requires going back up with no cargo. The excess is later fed back to the grid/factory.

https://insideevs.com/news/361095/edumpe...-ev-world/

https://www.edumper.ch/index.php/en/
100kwh-hunter and completelycharged like this post
Modular PowerShelf using 3D printed packs.  30kWh and growing.
https://secondlifestorage.com/t-AJW22-s-...PowerShelf
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#6
Power the world by reducing Mount Everest to a speed bump.
ajw22 and 100kwh-hunter like this post
If you can't quantify how much they cost, it's a deal, I'll buy 5 of them for 3 lumps of rocking horse ......
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#7
https://edumper.ch/index.php/en/gallery.html?301
This cannot be the engine? right?

Someone ordered some cells?
https://edumper.ch/index.php/en/gallery.html?313
Still learning English. Learning Li ion and solar technology.

4200 cells in packs Exclamation above 2500mah and 90%soh.
1500 waiting for testing.

Saving for 3 times phoenix inverter 48/3000 230v to gain also 380v
3 chargers?

Time is our enemy, must work to, the sun is our friend, must relax to.
With best regards
Reply
#8
Big Grin 
(08-29-2019, 12:43 PM)Korishan Wrote: It's actually a little misleading in the title of the description the race car driver gives. He states that it never has to be recharged. However, lets take a look at his own numbers:

They start off at the base of the hill with 90% SoC
The climb the mountain empty, but still uses about 10%, so at 80% SoC
Then they brake regen on the way back down the mountain and reach the base with, 88% SoC.

Now that's a 2% deficit from my point of view, and repeating this trip 20 times a day would be a loss of 40% SoC.

He says they reached the bottom with 88%, but I do wonder if they were "really" at the bottom when he made that statement and the last bit of coasting they did finished off the 2+%. They don't make that clear.

Personally, I think they weren't in fact all the way down based on the last few scenes from inside the cab.

I also don't get the Values in this video, but the company states that this beast produces ~77MWh per year which is  fed to the grid then.
But not only the size of this vehicle is hugh, look at the amount of Diesel which is saved with this, over 50000L per year.
The first so called energyPlus vehicle.
So as a result, we just need to drive downhill only, then our energy issue is solved Cool

But apart from that, also take a look at the construction of the dump body. It's not a fixed Sheet surface, it's flexible.
Tie rods keep the sidewalls together.



Apart from that, it's not even the biggest beast.
Look at this interesting videos of the build and the specs of a Liebherr Mining Truck.

https://www.youtube.com/watch?v=vZ1QkKk2iEg


https://www.youtube.com/watch?v=IXXtjqVKGt8

Wonder how many Battreries would be necessary for this as an eDumper....
1. Installed Grid-Tie System 2017 16,5kWp:  55 x 300Wp BenQ, SMA Tripower 15000-TL30 (18-east/17-south/20-south)
2. Building Offgrid System 7,5 kWp: 25 x 300Wp Solarworld (5x( 3S + 2S )), 2x PIP-5048, Batrium WM4, in process : 18650th Powerwall,  Rest TBD
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