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John Bingham

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  • Tesla's Fuel Cell Threat [View article]
    fiwiki2,

    You, or another poster, have used this faked report before. Please don't try it again.

    If you look at a real HFC car, like the proposed Toyota vehicle, to get a similar mileage to a gas car you need 5 kg of hydrogen, not 1 kg as in the report, so all the hydrogen energy numbers are out by a factor of five.

    Look very closely at the photos of the two cars. There's a reason they are only small low resolution photos. IT'S THE SAME CAR!

    The jet of hydrogen is coming from a vented tank behind the car. No wonder the car doesn't burn! The gas fire is real. Wow! Look at it go!

    But only one car was used to fake the report.

    Great if you can convince the gullible.
    Jul 8 01:06 PM | Likes Like |Link to Comment
  • The Tesla Fear Mongering Must Stop [View article]
    portatopia,

    All the article you link states is that a new standard is being decided for public EV charging stations in China.

    Tesla have already started to roll out Chinese superchargers which, as in every country so far, may only be of use to Tesla cars because of the extended range of these vehicles compared with other EVs on the market.

    But there is no reason why Tesla cars cannot use whatever standard the Chinese decide on for more general public charging. Exactly the same situation occurred in Europe where the new and higher powered "Mennekes" 3-phase ac connectors are now appearing.

    http://bit.ly/1lQDiBK

    Tesla cars in Europe can now use these connectors as standard, so there is no reason why a similar decision should not be made for China once they have committed to a design standard. The rest is principally in re-writing the car's software to identify and interface correctly with the new charging system.
    Jul 8 08:54 AM | 2 Likes Like |Link to Comment
  • The Tesla Fear Mongering Must Stop [View article]
    LT,

    Please use some of your "logic".

    From your own link:

    "Panasonic is to be the core participant, likely investing more than 20 billion yen [just under $200 million]".

    "More than" means that this is a minimum. $300, $500 or even $1,000 million is "more than" $200 million.

    And even if Panasonic's minimum investment in the plant is the reality it is quite possible that Tesla will be able to inject more cash into the project with minimal, if any, further dilution as production of the Model S and X vehicles will be at higher levels by the time that the first line is installed and hence more cash will be available by then.

    The full cost of the factory does not have to be met on Day One and there is already more than enough cash available for the initial building phases.
    Jul 8 04:27 AM | 1 Like Like |Link to Comment
  • Tesla Motors to investigate split-in-two Model S [View news story]
    Here's a quick answer for folk who can't understand how a car can split in two just by hitting a lamp post (which looks more like a traffic signal support to me but I guess we'll soon know more about what really happened).

    It's called "inertia".

    At the speed the car was traveling (somewhere around 100 MPH) it would take a huge amount of force to stop it. Similarly, to accelerate a pole from zero to around 100 MPH virtually instantaneously also needs a massive force, even for a relatively light pole.

    So the pole wants to stay where it is, but the car wants to keep moving (that's inertia in action), and something has to give. Even low force shear bolts would not help at that speed and I'm guessing that the car was side on, or even bottom on, to the pole when it hit, roughly in line with the rear seats.

    As 123man posted, after a crash like that it's quite amazing that the two severed parts of the car still maintained their basic shape, and even the dash display was still powered up. Many other cars would have been little more than unrecognizable mangled wrecks.

    Hopefully Tesla can recover some data from the car's computers to find out what happened. The accelerometer logs should be pretty interesting!
    Jul 7 06:57 PM | 1 Like Like |Link to Comment
  • The High Price Of Owning Tesla [View article]
    Well bailout,

    Now you have more negative news about Tesla. You must spend a lot of time trawling the news feeds (or at least have a couple of algos looking for "Tesla" and "fire" in the same headline). And, yes, the stock will probably fall a little because of this fire.

    Of course, no other cars will have crashes or burn on 4th July and there will be no other injuries reported, will there?

    About those "explosions". This is what Hybrid Cars reported:

    "....the pursuit at high speed ended when the Model S hit a pole, was cut in two, and sent bits of its battery pack on the roadway which began to flame and pop with small explosions “just like fireworks,” said one witness."

    http://bit.ly/1oiMPEJ

    Please note "small explosions". Try shorting a charged AA cell or throwing it on a fire and you're quite likely to get a "small explosion" when the cell ruptures. A ruptured gas tank could cause a lot more damage.

    The pole the Tesla hit looks like a substantial part of an overhead traffic signal but I guess we'll have more details soon anyway. I don't think many cars could have survived hitting, and demolishing, that at somewhere in the region of 100 MPH.

    If the driver survives this he is one very lucky guy. It's just very sad that other innocent people have been injured as well on what should have been a great day for celebration. But Tesla cannot be blamed in any way for accidents or injuries resulting from the irresponsible actions of the thief.
    Jul 4 06:21 PM | 1 Like Like |Link to Comment
  • Could Toyota's Upcoming FCV Become A Threat To Tesla? [View article]
    Davewmart,

    Is it or isn't it a compliance car? doubleE is almost certainly correct, but there's a very easy way to check:

    Watch how the car progresses. If it is launched in many territories and hydrogen fueling stations appear in every State then Toyota could well be serious with HFCVs.

    But if the primary, or only real, territory is CA then it's a compliance car first and last. No question.

    We saw this HFC farce once before when the first wave of recent EVs were produced in the 1990s thanks to CA's Zero Emissions mandate at that time. Once the directive was overturned most of the EVs were crushed out of existence and the HFC cars pretty much disappeared as well.

    What do you think will happen this time?
    Jul 4 03:04 PM | Likes Like |Link to Comment
  • Tesla: I'm Not Buying The Norway Nonsense [View article]
    Hi Curt,

    I don't think Tesla will ever need to advertise in the traditional sense. The world today is very different from when we were a captive audience to the TV spot. Or even to a full page spread in a magazine or newspaper, for that matter.

    Hey! I'm an old guy but even I look online if I want to find information on a particular product. Want to buy a DVD? A camera? A car? Forget the advertisements, they're necessarily biased! Read the reviews, especially any comments posted by users of the product. Is product X really better than product Y? You'll soon find out. And maybe product Z you never heard about before comes up again and again as a better alternative!

    But the best "advertisement" for Tesla is the car and its driver. The car is a head-turner and the drivers just love to talk about them.

    Now that's advertising!
    Jul 3 07:12 PM | 5 Likes Like |Link to Comment
  • Tesla's Norway Deliveries Drop 47% In The Quarter [View article]
    Ken,

    Tesla's Test Drives are just that. They are NOT advertising. They are for people who are already interested enough in the car to search them out on the Tesla website.

    I went to a test drive "event" here in Manchester, UK, and I had to ask where I could find Tesla! No posters or billboards, no flyers or flags. Not even a hand drawn sign saying "TESLA ➡".

    In spite of that the three days of test drives were fully booked well before the first day started.

    I doubt that any of the local residents even knew that Tesla had test drives right on their doorsteps unless they saw, and recognized, a Model S driving down their high street!

    The nearest you could find to any advertising was a very small, discreet sign on the side of the car saying "TESLA 100% Electric".
    Jul 2 07:49 PM | 1 Like Like |Link to Comment
  • The High Price Of Owning Tesla [View article]
    cparmerlee,

    Re your comment to winfield: "I wouldn't be bragging about your nukes."

    Did you actually read what he said? "The source of part of my energy for my PHEV is a fusion reactor 8.3 light minutes away".

    He is referring to the only fully operational fusion reactor we have access to today, and it should run reliably for another 5 billion years or so. Pretty good power source, isn't it?

    It's the sun.
    Jul 2 07:58 AM | 3 Likes Like |Link to Comment
  • Tesla's Gigafactory And Why Competitors Should Worry [View article]
    cparmerlee and bailout,

    If that factory (up to 10 million square feet) is square it will be over 3,000 feet on a side. Even if all 6,500 projected employees work in it, and they won't because many will be support staff, their nearest co-worker will be, on average, about 39 feet away!

    Still sound labor intensive or crowded to you?
    Jul 2 07:07 AM | 2 Likes Like |Link to Comment
  • Giga Factories And Patent Giveaways: Musk's Tesla Moat Building Strategy [View article]
    Options,

    Not so! Electric motors have torque in spades, right from zero revs! You can get 1 MW motors that are small enough to have one for each axle in a big rig and all you need then is a battery and inverter to feed them.

    At the moment a battery big enough for a large truck is a very costly and heavy item, but that can change with developments in the not too distant future.

    We'll most likely see serial hybrid trucks first as this gives an immediate improvement in efficiency over an ICE only truck, but as batteries improve the battery energy can be increased until an ICE (or fuel cell for that matter) is no longer necessary.
    Jun 30 03:52 PM | Likes Like |Link to Comment
  • Giga Factories And Patent Giveaways: Musk's Tesla Moat Building Strategy [View article]
    cparmerlee,

    Tesla's lithium air battery is not intended to be the primary power source in the car. That will still be the lithium ion battery as used today.

    The Lithium air battery will be more like a "range extender" and used only for long trips. The reason for this is that lithium air batteries today have only a short cycle life and cannot deliver the high peak powers needed in acceleration and hill climbing. Rechargeable lithium air is a very new technology as, up until very recently, all "air breathing" batteries were single use only.

    So for normal driving you will use the lithium ion battery with its high cycle life, and engage the higher energy density lithium air battery only on your much less frequent long journeys.

    Of course, that may change as the technology develops, but for now this is the reasoning behind Tesla's "hybrid" battery.
    Jun 30 03:36 PM | Likes Like |Link to Comment
  • Giga Factories And Patent Giveaways: Musk's Tesla Moat Building Strategy [View article]
    chickensevil,

    The Roadster has a 53 kWh battery with a range of 245 miles on the old 3 cycle EPA rating. I don't know how it would fare with the newer 5 cycle test but I'd estimate more like 220 miles or maybe less. Not so different from the 60 kWh Model S.

    So there is a 60% bigger battery in the 85 kWh Model S giving a 20% greater range, but in a very much bigger car. The Roadster is a sports car and designed as such with a very low profile for maximum efficiency at speed.

    I don't think the entry level Gen 3 will be a sports car, although Tesla may well bring us a very nice Roadster 3.0 on that platform (we got to 2.5 with the original Roadster). Gen 3 is more than likely to be a family sedan style car with a slightly narrower width than the Model S and a much shorter length to give the 20% footprint reduction. I expect a range not much more than 10% greater than the Model S with similar battery energy. The narrower profile will help but the body shape would have to be radically different to improve on the Model S's already very low drag coefficient.

    The reduction in weight does help, but not quite as much as many people think, unless you're a hypermiler driving everywhere at less than 25 MPH.

    Having said that - if we really do have a Roadster 3.0 in the pipeline I'll hold out from the Gen 3 sedan I'm looking to buy in the near future and go for that instead!
    Jun 30 02:59 PM | 1 Like Like |Link to Comment
  • The High Price Of Owning Tesla [View article]
    cparmerlee,

    "But please note that electric drive is at the heart of every solution I have mentioned."

    Very true. But every one of those solutions also needs a battery and its associated charging, management and drive electronics.

    This means that battery systems will necessarily improve over time in terms of cost, reliability and energy density even in the absence of pure EVs. But those same improvements to the batteries benefit pure EVs as well!

    Fossil fuels, including methane and steam reformed hydrogen as used in fuel cells, are limited and rapidly diminishing resources so their cost will only increase over time. Electrolysis of water to generate hydrogen is an inefficient process and the electricity in to electricity out is wasteful of the source energy.

    In engineering terms the simplest solution is often the best, so why use a complex system (serial hybrids, or even worse parallel hybrids) when the simplest and most efficient solution is already here and viable now, albeit at the high end for the next few years.

    Tesla is already using MORE battery energy (in terms of GWhs) per year than any other auto manufacturer, and this is only two years after the launch of the Model S. There will undoubtedly be new chemistries available in the future for battery storage systems and Tesla should be agile enough to incorporate these in their designs. Remember that the battery is a single removable module in the car, and anything that can be tailored to that shape can be used as a direct replacement, even in the existing cars.

    Unless we learn how to control gravity and really do have "hover cars" in the future the pure EV really is the best solution for the long term.
    Jun 30 06:44 AM | 4 Likes Like |Link to Comment
  • Tesla: Caution Justified After Recent Rally [View article]
    Bill & cpalmerlee, etc,

    Just trying to bring a little sanity into the somewhat heated supercharger discussion....

    In the early days of gas cars there were very few filling stations. Even as late as the 'fifties I knew some drivers who carried a spare can of gas in the trunk just in case they were low and no gas station nearby.

    Now, of course, you can find gas just about everywhere, but that has taken many decades and many different providers.

    So please don't complain about how few superchargers there are when, less than two years since the first six superchargers were announced, Tesla is singlehandedly building out the worldwide network as fast as they can!

    What Tesla has done so far is astonishing for such a small company. Please give credit where it is due.
    Jun 29 05:26 PM | 3 Likes Like |Link to Comment
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