• Soleos@lemmy.world
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    2 days ago

    EV never has to be recharged… Because it recharges on the way downhill.

    “World’s largest EV never has to be plugged in” is sufficiently click-baity without being so dumbly self contradicting

    • NιƙƙιDιɱҽʂ@lemmy.world
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      1 day ago

      Reminds me of some guy with a OneWheel that was saying he’d never charged his board in like a thousand miles as his daily commuter.

      He lives near the top of a mountain lift, so he takes it home and just runs on pure regen lol.

      • BruceTwarzen@lemm.ee
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        1 day ago

        So he’s just breaking? What a silly thing to claim. I bet he’s not even regening a lot. When i ride up a mountain until my battery is down to 40% or so and ride down i regenerate around 1% or something. It might even be in the 0.6% or something

    • locuester@lemmy.zip
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      1 day ago

      More like “never has to stop working to charge”. It is novel that its charging mechanism operates as a function of doing its primary job.

      • uis@lemm.ee
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        1 day ago

        Not novel. I think there was a train somewhere in Africa, that transported some ore from mountain to port. On the way down with ore it charged and uphill it used charge.

        • locuester@lemmy.zip
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          22 hours ago

          Is novel for a dump truck to use this. Of course it’s not a completely new concept entirely.

        • Pulptastic@midwest.social
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          23 hours ago

          That’s genius. Who cares if thermodynamics wins, it weighs less on the way up so works out just fine.

          Just like the example in TFA.

    • shastaxc@lemm.ee
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      1 day ago

      Yeah I was gonna say I’m pretty sure this isn’t a single use, disposable vehicle

    • Allero@lemmy.today
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      2 days ago

      It is very obvious they meant it draws no power from the grid. And it doesn’t, indeed, acting fully autonomously.

      • Mac@mander.xyz
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        2 days ago

        I don’t really care what they meant. They’re being deliberately ambiguous for clicks.

  • mEEGal@lemmy.world
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    2 days ago

    well that was unexpected

    I’m curious if the desgin team knew about it in advance

      • mEEGal@lemmy.world
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        2 days ago

        hahaha guess it boils down to that 😂

        but I was specifically wondering if they built the vehicle with a charger and ended up never using it, to their own surprise. or if they knew they’d (almost) never have to charge it

        • Venicon@lemmy.world
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          2 days ago

          Must have a cable somewhere as a backup otherwise you’d need a full battery replacement should it ever be discharged.

    • Imgonnatrythis@sh.itjust.works
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      2 days ago

      Gonna go ahead and guess that when designing a 110 ton mega dump truck things are probably pretty front loaded on the planning side of things.

      • ChaoticNeutralCzech@feddit.org
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        2 days ago

        Not very smart that they waste all that energy in mechanical brakes. See my comment (the one with the picture) for a way bigger and electricity-generating ropeway, including a video of a guy less squeamish than Tom Scott riding most of the 45-minute way up.

          • ChaoticNeutralCzech@feddit.org
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            2 days ago

            He literally has

            Filmed safely: https://www.tomscott.com/safe/

            in the description. Meanwhile, that fat dude from Vrchlabí jumped into a moving bucket of one that is faster, 2.5x longer, at deadly height, and his only plan of getting down safely was a mattress. He acknowledged how illegal and dangerous it is and yet publishes the video with his full name.

            Just accept it, Tom Scott was being way more cautious.

  • CheeseNoodle@lemmy.world
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    2 days ago

    Very interesting use case but kind of dependant on this very specific setup? I feel like an even more efficient and low maintenance method would be like… a ramp.

    • finitebanjo@lemmy.world
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      1 day ago

      Well sure but if you just dump ore onto a ramp/chute then you’re constained to high angles and material so it can’t also double as a drivable road.

  • sircac@lemmy.world
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    2 days ago

    I cannot avoid to be pedantic on this, it is recharged during half the trip… it just does not require plug-like recharging

    • realitista@lemm.ee
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      2 days ago

      Yeah another clickbait headline. It’s getting recharged all the time, it’s just very lucky to be in a use case where it goes down hills with large loads all the time

      • xthexder@l.sw0.com
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        2 days ago

        It’s more than a clickbait headline, the first paragraph is just flat out wrong:

        Perhaps best of all, it consumes no energy doing it.

        Obviously it’s consuming energy going uphill. Just because the power source is gravity doesn’t mean it’s not consuming energy.

  • cholesterol@lemmy.world
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    2 days ago

    The dump truck, at 45 tons, ascends the 13-percent grade and takes on 65 tons of ore. With more than double the weight going back down the hill, the beast’s regenerative braking system recaptures more than enough energy to refill the charge the eDumper used going up.

    • ladicius@lemmy.world
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      2 days ago

      So the energy this truck uses is harnessed via mining and loading… Essentially this energy was stored in the ore via geological processes.

      This truck uses continental drift as his fuel.

    • stoy@lemmy.zip
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      2 days ago

      Kinda like the mine in the UK that use a cableway without a motor to bring ore down and empty buckets up

    • scarabic@lemmy.world
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      23 hours ago

      I guess it all depends on the physical layout but this seems like a very complicated way to get material downhill.

    • whyNotSquirrel@sh.itjust.works
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      2 days ago

      So it was designed for this mine I guess?

      I’m not sure there’s a lot of mine you’re going down filled up, the images I have in mind are quite the opposite, but that’s a really cool idea!

      There actually is some design to stock energy this way, with weights you lift while having excess energy

      • SomeoneSomewhere@lemmy.nz
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        2 days ago

        If you’re thinking of that CGI crane lifting concrete blocks, it’s unfortunately a really bad idea.

        Pumped hydro stores energy by lifting weight uphill, instead. Water is basically the cheapest thing you can get per tonne, and is easy to contain and move.

        To store useful amounts of energy using gravity, you need pretty large elevation differences and millions of tonnes of mass to move.

        • Optional@lemmy.world
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          2 days ago

          I love that I knew this conversation was going to happen as soon as I read the article.

          And, yes.

      • groet@feddit.org
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        2 days ago

        Depends on the scale of “going down”. Many mines are in the mountains and the material has to be brought down to lower elevations. The mine entry may be lower than the nearest pass but still a lot higher than the destination of the ore.

        • TomSelleck@lemm.ee
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          2 days ago

          Open pit is much more common for this type of equipment and it’s basically a reverse mountain. Still might be enough regenerative braking from just the weight of the truck though.

          • groet@feddit.org
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            2 days ago

            An open pit at an elevation of 1.5km still means the bottom of the pit could be 1km higher than the place the ore is processed at

          • NoneOfUrBusiness@fedia.io
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            2 days ago

            Still might be enough regenerative braking from just the weight of the truck though.

            In that case no, because it’d be bringing the weight of the truck and the ore with it.

  • tpihkal@lemmy.world
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    2 days ago

    Back in my day we drove back and forth to work uphill, both ways, and we only lost weight because we could never afford enough Starbucks and avocado toast!

  • Siegfried@lemmy.world
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    2 days ago

    Till elon finds out that if he manages to cover the sun, he can charge us on sunscription

    • finitebanjo@lemmy.world
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      1 day ago

      Pretty sure its also not solar. The machine gets loaded with weight at the top of the hill, its regenerative brakes store power on the way down, it drops the load off, and the lightened machine stored enough charge to drive back up.

  • Bgugi@lemmy.world
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    2 days ago

    A 600 kwh battery pack so… Rocks can roll down hill? Galaxy brain moment.

    • dream_weasel@sh.itjust.works
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      2 days ago

      Probably a lot less safe (and harder to aim) if you don’t use the truck. Also unlikely they get all the way down unless you mine it in wheel shapes (increasing labor and also, luckily, danger).

    • erin (she/her)@lemmy.blahaj.zone
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      2 days ago

      Genuinely, I cannot tell what your point is. In some alternate universe, are we just rolling the rocks downhill? Don’t you think we’d already be doing that? This seems like a great use case to replace diesel trucks with ones that recharge themselves using potential energy from ore. This absolutely is a galaxy brain moment, in that it’s a very smart idea.

  • Voyajer@lemmy.world
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    2 days ago

    Oh cool they’re using the same principle the guys at Edison are using for their logging trucks on a much larger scale