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Thread: Electric vehicles - general thoughts / comments / advances

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    Default Electric vehicles - general thoughts / comments / advances



    From Paul's "drop in" electric "V-8 lookalike" conversion thread I commented upon range and "refill" to full range downtime.

    This video showed up today and one of the items was a sub ten minute swap/refill for full range. Who knows if it'll take hold - though interesting to see.


    Energy Storage Breakthrough - Solid Hydrogen Explained

    www.youtube.com/watch?v=U7CCq4oBgw4


    .

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    Paul (November 12th, 2021)

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    Default Re: Electric vehicles - general thoughts / comments / advances



    When the range gets to around 250-300 miles and there's either a factory or aftermarket solar roof charging option that really works I want one of these. I'm sure they'll be AWD or 4WD by then too.


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    Default Re: Electric vehicles - general thoughts / comments / advances



    Would solar charging ever be realistic? Even if tomorrow someone came out with 100% efficient solar cells, that's what, 4x what you can get today? Doesn't seem like enough to me. Or are you thinking some origami type thing that folds out to a much larger area than the actual roof?

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    Default Re: Electric vehicles - general thoughts / comments / advances



    Power has to come from somewhere...


    Kremmerer WY (Southwest Wyoming)

    Bill Gatesí nuclear power company selects a site for its first reactor

    First-of-its-kind reactor to be built in Wyoming with heavy Dept. of Energy backing.

    https://arstechnica.com/science/2021...first-reactor/


    It'll be curious how the project comes along.

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    Trevor? (November 29th, 2021)

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    Default Re: Electric vehicles - general thoughts / comments / advances



    speedkills previously posted:
    "Would solar charging ever be realistic? Even if tomorrow someone came out with 100% efficient solar cells, that's what, 4x what you can get today? Doesn't seem like enough to me. Or are you thinking some origami type thing that folds out to a much larger area than the actual roof?"

    I don't really know enough about the tech to answer that, but I'd like to be able to drive a couple of hundred miles on a charge, and if I parked at a campsite or trailhead or anywhere really for the day I'd like to add some charge, maybe 20-30 miles. That's just what I'd like, I don't know how realistic it is. I'd guess that as the vehicles evolve over the next few years range and solar charging will improve. If there is a big leap in battery tech and vehicles can store 400 or more miles on a charge then solar wouldn't be so important. It's interesting to see it happen.

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    Default Re: Electric vehicles - general thoughts / comments / advances



    The horizontal surfaces of an automobile (not van) can hold two, maybe three, 100 watt solar panels. Let's way two. At MAX conversion, with current technology, one could get 200 watts of power. Max sunlight, for a non-sun-tracking panel (high noon) is only a couple hours (?) before tapering off, quickly I hear.

    Let's guess.

    High Noon (two hour time duration) = 400 watts
    An hour at each side of High Noon let's say 1/2 power = 200 watts
    Much of the rest of the sunlit day, let's say 100 watts

    Those guestimate numbers give us 700 watts of charge per full sun day.

    from...

    https://www.nissanusa.com/interactiv...ing/index.html

    62 kWh Battery:
    EPA range up to 226 miles on Nissan LEAF S PLUS[2]
    Approx. 11.5 hours = full charge

    62 kWh battery gives 226 miles and we're going to add 0.7kW (700 watts) into the pack. How many miles might that give us?
    62,000 watts / 226 miles = 274.3 watts per mile. Our 700 watts / day will give us 2.6 miles / day - with current technology and some off the cuff numbers.

    If I recall hearing, current cell tech runs with approx 25% conversion efficiency. If we double that efficiency we'll get 5 miles per day.

    Now, a side effect of having solar panels on the vehicle - weight. Would the weight of the panels negate the max charge benefit? I don't know though I am curious.

    EDIT: I seem to recall the local youtube channel (TFL???) that evaluated the all electric ?jeep? - their takeaway was that offroad range was significantly less than highway range (I hoped it would have been close to highway range). 0.02

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    speedkills (November 24th, 2021)

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    Default Re: Electric vehicles - general thoughts / comments / advances



    Those are around the numbers I was thinking of as well, thanks for writing them down Jim. I think battery technology will increase density but the sun just doesn't put out enough power for solar to do much besides maybe run the fan to keep your car cool in the sun. Most realistic option I can see happening in the next decade for recharging while camping would be some sort of fuel cell tech but nothing I know of at this point is anywhere near practical for that yet. But still, 3-400 mile range and I'd be happy for most stuff. I rarely have only one vehicle so I'm not too worried about the edge cases, I'd just take a different rig for those times.

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    Default Re: Electric vehicles - general thoughts / comments / advances



    Carbon body 1000hp McLaren vs. stock Tesla Plaid. First race @ 9:25, second @ 10:45, third @ 12.25.


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    Default Re: Electric vehicles - general thoughts / comments / advances



    Nothing happens in a vacuum.


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    Default Re: Electric vehicles - general thoughts / comments / advances



    I'd like to see an earnest / true / calculated / not biased or off the cuff analysis of the earth resources used for the creation of an electric vehicle vs. a typical gasoline vehicle. Lifespan of the vehicle would need to be taken into account as well. Perhaps end of life recycling too.

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    Default Re: Electric vehicles - general thoughts / comments / advances



    Jim previously posted:
    "I'd like to see an earnest / true / calculated / not biased or off the cuff analysis of the earth resources used for the creation of an electric vehicle vs. a typical gasoline vehicle. Lifespan of the vehicle would need to be taken into account as well. Perhaps end of life recycling too."

    Ditto
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    Life is just better in 4-Low!

    https://m.youtube.com/user/wcrosman/videos

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    Default Re: Electric vehicles - general thoughts / comments / advances



    First post in the thread is the meaning:
    https://gab.com/ElwoodBlues/posts/107414862595668405

    While this directly talks to EV's, it completely hits home with any function that is Internet based and tied to a central point of control (or failure).

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    Default Re: Electric vehicles - general thoughts / comments / advances




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    Default Re: Electric vehicles - general thoughts / comments / advances



    check-out-fort-collins-nifty-new-electric-street-sweeper

    https://power1029noco.com/check-out-...treet-sweeper/

    "Fleet use" is one area I find quite suitable for testing / evaluating / or simply a "nice fit" for emerging vehicle propulsion methods. Propane and compressed natural gas are a couple others that can fit nicely in fleet use. I believe Fort Collins has a compressed natural gas bus (tanks on the top of the bus). A neighbor, who worked for a welding gasses supply company, had a large ?propane? tank on his pickup (commuted at least 100 miles round trip, daily, for YEARS). He commented that the internals of the engine were CLEAN. Spark plugs were clean and lasted a long time. Engine oil - clean. There are some lawn companies in FoCo that use bottle gas for their mowers.

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    rckymtnt4r (December 9th, 2021)

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    Default Re: Electric vehicles - general thoughts / comments / advances



    RTD and garbage trucks (Longmont/Boulder) have been on natural gas for years. It makes sense to have Gov/Fleet stuff on EV.

    How we power those is another story. We need to make Nuclear not a scary N-word anymore.

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    rckymtnt4r previously posted:
    "We need to make Nuclear not a scary N-word anymore."

    Ditto. I'm interested in safer nuke options though - auto-shut down things. What's up with Thorium reactors these days?

    Source energy needs to come from somewhere.

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    Default Re: Electric vehicles - general thoughts / comments / advances



    Jim previously posted:
    "First post in the thread is the meaning:
    https://gab.com/ElwoodBlues/posts/107414862595668405"

    The two are likely related:
    https://www.bleepingcomputer.com/new...ve-aws-outage/

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    Default Re: Electric vehicles - general thoughts / comments / advances



    Houses that generate more power than they use are possible, if the surplus was enough to charge a car or two that would do it. https://www.familyhandyman.com/list/...-they-consume/

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    Default Re: Electric vehicles - general thoughts / comments / advances



    I agree fleets are a great application for EVs in cities and dense suburbs, especially for delivery with a lot of idling time, since an EV uses almost no power unless under way.

    Amazon has a contract with Rivian for 100,000 EV delivery vans, but I havenít heard lately if itís on schedule (Amazon is a major investor in Rivian).

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    Default Re: Electric vehicles - general thoughts / comments / advances



    On the topic of nuke plants, these two items crossed my plate recently. I wasn't going to post the YouTube vid but today I saw the WND article that talked about nuke waste being reduced by the use of higher temp nuke reactors - the two seem fitting so I'll kick up the links.

    Reactors of the Future (Generation IV)

    9 minute vid. General idea is that by using higher temps we get higher efficiencies. The move away from water with a "low" boiling temp of 100C.

    https://www.youtube.com/watch?v=_mJ3S-VQuHY


    How the nuclear waste myth is facing disposal

    https://www.wnd.com/2021/12/nuclear-...cing-disposal/

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