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Lexus RX400h and Highlander Hybrid are announced in Japan

Discussion in 'Other Cars' started by ken1784, Mar 22, 2005.

  1. ken1784

    ken1784 SuperMID designer

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    Hello all,

    In Japan, there was a Toyota press conference about Harrier Hybrid(Lexus RX400h) and Kluger Hybrid(Highlander Hybrid) on March 22.

    The video message from Mr. Cho Toyota President is available at...
    http://www.toyota.co.jp/en/tech/harrier_hy...sege/index.html

    (added comments)
    If you are familiar with Japanese language, please visit following tech site...
    http://www.toyota.co.jp/jp/tech/new_cars/h...harrier_hybrid/
    http://toyota.jp/hv/entrance.html?intohsd....toyotajp.kluger
    http://toyota.jp/toyopet/sp/harrierhybrid/movie.html

    Enjoy,
    Ken@Japan
     
    #1 ken1784, Mar 22, 2005
  2. efusco

    efusco Moderator Emeritus
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    I love the "twin energy" graphic.
    Interesting that they noted that the Lexus GS (the one with the same power button as the Prius) will be coming out as a hybrid.

    The .kluger link to Toyota Hybrid city twin towers is graphically cool, not too hard to understand what's going on even though the language is Japanese.
     
    #2 efusco, Mar 22, 2005
  3. efusco

    efusco Moderator Emeritus
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    Looks like the NiMH battery in the Highlander will be 288v nominal and the inverter will change it to 655v.
     
    #3 efusco, Mar 22, 2005
  4. Speedracer

    Speedracer New Member

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    Re: Lexus RX400h and Highlander Hybrid are announced in Japa

    Link to Hybrid presentation
    Its really nice Flash base Harrier presentation
     
    #4 Speedracer, Mar 22, 2005
  5. Bill60546

    Bill60546 Member

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    #5 Bill60546, Mar 23, 2005
  6. efusco

    efusco Moderator Emeritus
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    Re: Lexus RX400h and Highlander Hybrid are announced in Japa

    <div class='quotetop'>QUOTE(Bill60546\";p=\"75173)</div>
    41.9!! I wanna believe it, but I just can't quite...maybe the city rating, but that's just huge for a 7 passenger full size SUV. Maybe they meant 31.9...that's more what's been anticipated for highway.
     
    #6 efusco, Mar 23, 2005
  7. ken1784

    ken1784 SuperMID designer

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    Re: Lexus RX400h and Highlander Hybrid are announced in Japa

    <div class='quotetop'>QUOTE(Bill60546\";p=\"75173)</div>
    The 41.9MPG(17.8km/L) is the Japanese 10-15 mode mileage data.
    Prius is rated as 35.5km/L(83.5MPG) on the same test.

    Regards,
    Ken@Japan
     
    #7 ken1784, Mar 23, 2005
  8. efusco

    efusco Moderator Emeritus
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    Re: Lexus RX400h and Highlander Hybrid are announced in Japa

    <div class='quotetop'>QUOTE(ken1784\";p=\"75188)</div>
    The 41.9MPG(17.8km/L) is the Japanese 10-15 mode mileage data.
    Prius is rated as 35.5km/L(83.5MPG) on the same test.

    Regards,
    Ken@Japan[/b][/quote]

    Ken, could you explain "mode mileage" please?
     
    #8 efusco, Mar 23, 2005
  9. ken1784

    ken1784 SuperMID designer

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    Re: Lexus RX400h and Highlander Hybrid are announced in Japa

    <div class='quotetop'>QUOTE(efusco\";p=\"75194)</div>
    It is "10 and 15 mode" mileage test.
    http://www.jaf.or.jp/qa/answer/base/base8.htm

    The test simulates 3 cycles of 10 mode pattern as city driving and 1 cycle of 15 mode pattern as highway driving, but it is relatively slow speed.
    The test is done after complete warming up of ICE. I believe the EPA city mileage test in the US is done after cooling down over night.

    Regards,
    Ken@Japan
     
    #9 ken1784, Mar 23, 2005
  10. Bill60546

    Bill60546 Member

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    Re: Lexus RX400h and Highlander Hybrid are announced in Japa

    Thanks Ken.

    My local Lexus dealer called and advised the vehicle gets 27MPG. But I had to cancel my order due to the price; $50K with the Levinson stereo, etc. and $52K with the DVD entertainment unit. Both included all other options. I love Lexus but have pay those tuition bills too.
     
    #10 Bill60546, Mar 23, 2005
  11. ken1784

    ken1784 SuperMID designer

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    #11 ken1784, Mar 24, 2005
  12. Danny

    Danny Admin/Founder
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    Ken -

    Thanks for your continued information, it's great to read a lot of this stuff that doesn't get lots of press in the US.
     
    #12 Danny, Mar 24, 2005
  13. ken1784

    ken1784 SuperMID designer

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    Hi Danny,
    You're welcome. :)

    We found another thing on new THS-II.
    The key word is "Reduction Gear".

    As you know, Harrier and Kluger has now high power MG2.
    The specification of MG2 is...
    Max Power: 230kW (240% more than Prius)
    Max Torque: 333N-m/0-1,500rpm (400N-m/0-1,200rpm on Prius)
    Max revolution: 12,400rpm (190% more than Prius)
    It is now high revolution motor, and there is a "Reduction Gear" between MG2 and "Ring Gear" of PSD.
    The gear ratio of the Reduction Gear is 2.478, which means the MG2 torque at the Ring Gear is now 825N-m (333N-m X 2.478).

    The reference page in Japanese is HERE.

    Regards,
    Ken@Japan
     
    #13 ken1784, Apr 1, 2005
  14. TonyPSchaefer

    TonyPSchaefer Your Friendly Moderator
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    Re: Lexus RX400h and Highlander Hybrid are announced in Japa

    Ok, so I'm not an Electrical Engineer. Does this picture show that the front AND rear tires work to regen the batteries? Is it just the way they chose to design the graphics. The graphic for the prius only shows what looks like the front tires regenning the batteries. If the Harrier really does use the front and rear tires, does that mean that it captures more energy and recharges the batteries faster?


    [Broken External Image]:http://www.toyota.co.jp/jp/tech/new_cars/harrier_hybrid/powertrain/image/01/z05.gif versus [​IMG]
     
    #14 TonyPSchaefer, Apr 1, 2005
  15. ken1784

    ken1784 SuperMID designer

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    Re: Lexus RX400h and Highlander Hybrid are announced in Japa

    <div class='quotetop'>QUOTE(TonyPSchaefer\";p=\"77658)</div>
    Yes. We can see pink arrows from both front AND rear tires.
    I think it depends.
    Have you ever tried to shift into B mode between the speed was 22MPH and 7MPH on Prius?
    You felt enough regen at that speed if you did, maybe, too much regen(reducing speed).
    I believe Prius has enough regen capability to convert kinetic energy to electric, however Harrier has more opportunity to do that.

    Regards,
    Ken@Japan
     
    #15 ken1784, Apr 1, 2005
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