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Thread: Wireless Charging

  1. #21
    They must have defeated the mechanism that stops the car driving with the charge port door open. Personally I'd prefer a robot arm that opens the door and plugs in a conductive charger. I could see that working. And no loss of efficiency.

  2. #22
    Roadster #1144 + Sig 114 dsm363's Avatar
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    I don't get it. What's the point of routing the cable like that?

  3. #23
    Roadster 919, S 2006 Doug_G's Avatar
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    Anti-theft, I assume.

  4. #24
    Head Moderator / Administrator doug's Avatar
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    Fulton Innovation blows our minds with eCoupled wireless Tesla, inductive cereal boxes - Engadget

    ... The model on display here is an obvious retrofit, a coil stuck between the front wheels that runs to an AC/DC converter and then, quite inelegantly, to a cable running out a vent and into the input on the car itself. This is an obvious retrofit but it was done with purpose: to show that without modifying the internal systems of the car wireless charging can be done -- and reasonably efficiently, too.

    This form of charging is 80 percent efficient, but the company estimates that with a more integrated system (mainly deleting the converter) they could get to 89 percent efficiency. The wired charger? It clocks in at 96 percent efficiency, meaning for any given voltage the charging time would only be about 7 seven percent slower going wireless -- a potentially small price to pay for the ability to turn an entire parking lot into a charging station without having to worry about wires or vandalism or semi-inadvertent electrocution of curious people who decide to see what happens when terminals get licked....
    Last edited by doug; 01-09-2011 at 01:20 PM.

  5. #25
    Administrator dpeilow's Avatar
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    Cool - but no one with a pacemaker could go in there

  6. #26
    Roadster 919, S 2006 Doug_G's Avatar
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    I know you're joking, but there's little chance of the field affecting pacemakers. These systems would use quite low frequencies. In fact, they'd probably run below 9kHz to avoid having to be FCC certified as an intentional radiator.

    At least this explains the weird plug installation...

  7. #27
    Administrator dpeilow's Avatar
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    They should've got Tomsax to do the plug mod. Much neater.

  8. #28
    ERIC VFX vfx's Avatar
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    The 140 mile misquote of Tesla's 240 range removes a bit of credibility.

    The idea of these being good for high crime areas is good but this would be equally cool in front of a high end restaurant or hotel parking spots as well.

    The world loves to be deceived.


  9. #29
    Head Moderator / Administrator doug's Avatar
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    Quote Originally Posted by vfx View Post
    The 140 mile misquote of Tesla's 240 range removes a bit of credibility.
    That's a simple error. What removes more credibility is the "able to charge in the same amount of time as if it were plugged in" quote (repeated by Engadget), which is deliberately misleading.

  10. #30
    ERIC VFX vfx's Avatar
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    Quote Originally Posted by doug View Post
    That's a simple error. What removes more credibility is the "able to charge in the same amount of time as if it were plugged in" quote (repeated by Engadget), which is deliberately misleading.
    Good point.

    It does look cool though.



    The world loves to be deceived.


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