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Thread: Tesla's new Roadster is "the quickest car in the world"

  1. #33
    Senior Member Xlucine's Avatar
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    Re: Tesla's new Roadster is "the quickest car in the world"

    Quote Originally Posted by vicar View Post
    In as much as i like the car and truck, nobody seems to be factoring in how much pollution is used at source per electricity generated. How environmentally cost effective are the batteries going to be in the dim future. How are the used batteries going to be recycled and finally which part of the world are they going to dump all the non recyclable bits. These are some of the questions i really want answered. Any boffins out there, your expertise will be greatly appreciated.
    Including generator efficiency and transmission losses, electric cars use about half the energy per 100 km. For a tesla model 3 it takes about 16.7 kWh / 100 km from the battery, and 33.3 kWh of gas / 100 km assuming a CCG generating power with typical transmission losses for the UK and 90% charging efficiency. The corresponding value for a diesel jag (2.0l XE, RWD) is 65.3 kWh / 100 km*. We've been over this every time electric cars come up at hexus, pollution at source is a red herring - there's no comparison to IC car emissions.

    *fuel/power consumption from the US EPA, since they make the comparison easy
    Last edited by Xlucine; 31-01-2018 at 12:40 AM.

  2. #34
    MCRN Tachi Ttaskmaster's Avatar
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    Re: Tesla's new Roadster is "the quickest car in the world"

    Quote Originally Posted by aidanjt View Post
    On the plus side, if all cars switch to autonomous driving, it'll be viable to increase speed limits substantially.
    Nope.
    Not so long as the roads can still be trod and travelled by hikers, ramblers, joggers, cyclists, horses, children crossing, cats, deer, badgers, and anything else.
    Motorcycles will be banned, of course, but no-one cares about them...

  3. #35
    root Member DanceswithUnix's Avatar
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    Re: Tesla's new Roadster is "the quickest car in the world"

    Quote Originally Posted by Ttaskmaster View Post
    Motorcycles will be banned, of course, but no-one cares about them...
    Perhaps they could be made autonomous as well. Pass me my brown trousers, I'm going for a ride...

  4. #36
    MCRN Tachi Ttaskmaster's Avatar
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    Re: Tesla's new Roadster is "the quickest car in the world"

    Quote Originally Posted by DanceswithUnix View Post
    Perhaps they could be made autonomous as well. Pass me my brown trousers, I'm going for a ride...
    Not even if you put a scanning red light in the front fairing...

    You'd need all the gubbins a car has, plus gyrostabilier thingumies and stuff... Where would it fit?

  5. #37
    root Member DanceswithUnix's Avatar
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    Re: Tesla's new Roadster is "the quickest car in the world"

    Quote Originally Posted by Ttaskmaster View Post
    Where would it fit?
    I'm sure the modern reply would be "in the cloud"

    The computer, radar, lidar and cameras should scale down pretty fast.

    Would need a big robot boot to pop out and stomp on the road when the bike stops too.

  6. #38
    Not a good person scaryjim's Avatar
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    Re: Tesla's new Roadster is "the quickest car in the world"

    Quote Originally Posted by Ttaskmaster View Post
    ... Not so long as the roads can still be trod and travelled by hikers, ramblers, joggers, cyclists, horses, children crossing, cats, deer, badgers, and anything else. ...
    The point of a limit is *not* that you do that speed regardless of surroundings. Autonomous cars already deal with sensing and reacting to other road users. Don't see how being allowed to go faster when it's safe to do so would change that....

    Quote Originally Posted by Ttaskmaster View Post
    ... You'd need all the gubbins a car has, plus gyrostabilier thingumies and stuff... Where would it fit?
    There's already a lot of progress being made with autonomous bikes:



    And in a slightly less stylish and more Scrapheap Challenge take: Autonomous BMW C1

  7. #39
    MCRN Tachi Ttaskmaster's Avatar
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    Re: Tesla's new Roadster is "the quickest car in the world"

    Quote Originally Posted by DanceswithUnix View Post
    I'm sure the modern reply would be "in the cloud"
    Which is great until you hit the countryside twisties where there's no signal and your bike cacks out mid-corner because it can't get th data....

    Quote Originally Posted by scaryjim View Post
    Don't see how being allowed to go faster when it's safe to do so would change that....
    It wouldn't.
    But the presence of the above-mentioned would mean it wouldn't be safe to do so anyway, so no point in raising the limits.

    Quote Originally Posted by scaryjim View Post
    There's already a lot of progress being made with autonomous bikes:
    I doubt they'll ever be affordable in my lifetime, assuming they aren't safety-legislated off the roads before they make it to market in the first place.

  8. #40
    Hexus.Jet TeePee's Avatar
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    Re: Tesla's new Roadster is "the quickest car in the world"

    Tesla have announced a New Crossover Vehicle!!!!!

    Also biggest quarterly losses so far, but ignore that...

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    Re: Tesla's new Roadster is "the quickest car in the world"

    Quote Originally Posted by TeePee View Post
    Tesla have announced a New Crossover Vehicle!!!!!

    Also biggest quarterly losses so far, but ignore that...
    How long till the free revenue/preorders open?

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    Re: Tesla's new Roadster is "the quickest car in the world"

    Tesla,have the fastest car in existence - its hurtling towards the asteroid belt.

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    The late but legendary peterb - Onward and Upward peterb's Avatar
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    Re: Tesla's new Roadster is "the quickest car in the world"

    Quote Originally Posted by TeePee View Post

    Also biggest quarterly losses so far, but ignore that...
    I dont suppose that will worry a man who can afford to launch one into space as the payload for a space vehicle he is developing.
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    MCRN Tachi Ttaskmaster's Avatar
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    Re: Tesla's new Roadster is "the quickest car in the world"

    Quote Originally Posted by TeePee View Post
    Tesla have announced a New Crossover Vehicle!!!!!
    Crossover.......?

    Oh-kaaaaaaaay....... fair enough.... modern company, and all that......... so, err..... What are its preferred non-binary vehicular pronouns, then?



  14. #45
    Hexus.Jet TeePee's Avatar
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    Re: Tesla's new Roadster is "the quickest car in the world"

    Is this the end or just the beginning of the end for Tesla?

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    Senior Member Xlucine's Avatar
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    Re: Tesla's new Roadster is "the quickest car in the world"

    Who would have thought it, a car company that didn't make very many cars turns out to be very vulnerable to any drop in investor confidence

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    Seething Cauldron of Hatred TheAnimus's Avatar
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    Re: Tesla's new Roadster is "the quickest car in the world"

    https://www.bloomberg.com/graphics/2018-tesla-tracker/ <-- Kind of an interesting way of viewing how many Teslas are being made.

    The main thing is, even on the 3rd downgrade to the forecast production figures, they are still a long way away from hitting those.

    I can't believe so many people gave them cash on pre-orders.
    throw new ArgumentException (String, String, Exception)

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  18. #48
    Hexus.Jet TeePee's Avatar
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    Re: Tesla's new Roadster is "the quickest car in the world"

    It is interesting to see how this is going. Back in January, Tesla was aiming to have a Model 3 production rate of 2500/week by the end of March. Well, they missed that, making 2020 in the last week of March. Actually, that's one hell of a lot better than I expected, and wouldn't be terrible, if that were part of their production ramp up. Except it isn't. Over the entire quarter, they made 9766, which shows just how unsustainable that number is. The newest claim is for 5000/week by the end of Q2, but the real test would be if we see more than 32,500 for the entire quarter.

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