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New World Record - 1680 miles per tank

Discussion in 'Gen 2 Prius Fuel Economy' started by ken1784, Jul 5, 2009.

  1. ken1784

    ken1784 SuperMID designer

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    Hello all,

    I would like to report that a Japanese Prius driver, Hata_Hata@Tokyo, achived 1,680 miles/tank (2,704.5 km). :eek:
    The computer mileage was 106.6 mpg (45.3 km/L).
    2704km report (Japanese only BBS)

    The previous world record was 1619 miles/tank.
    http://priuschat.com/forums/gen-ii-...311-new-world-record-1619-miles-per-tank.html

     Please note that Japanese Prius fuel tank has no bladder and can hold up to approx 15.9 US gallons, 60 liters.

    Ken@Japan

    [​IMG]
     
    #1 ken1784, Jul 5, 2009
    2 people like this.
  2. wave_slider

    wave_slider New Member

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    Amazing stuff!
     
    #2 wave_slider, Jul 5, 2009
  3. patsparks

    patsparks An Aussie perspective

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    Is that the rated capacity Ken? 60 litres or do you have the same tank as us in Australia but they squeeze 60 litres in it? Although I'm happy with my range with a 45 litre tank a 60 would be nice for those long trips. I'd never squeeze more than a normal fill into my tank for fear of harming my emission control systems.
     
    #3 patsparks, Jul 5, 2009
  4. Flying White Dutchman

    Flying White Dutchman Senior Member

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    2,21l/100km

    nice.


    edit
    i can not get google to translate the website
    but
    when i look at this picture
    [​IMG]
    the ICE was on for 24,7 % of the 1680 miles..
    was this a downhill trip from a high up location going most downhill?
     
    #4 Flying White Dutchman, Jul 5, 2009
  5. patsparks

    patsparks An Aussie perspective

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    That's from pulsing at a good rate of acceleration so you can glide again.
     
    #5 patsparks, Jul 5, 2009
  6. drspielman

    drspielman Grand Master Chief

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    Very cool. How can we get a larger fuel tank in the 2010? I wish we had a 18-20 gallon tank and could fill up once a month....
     
    #6 drspielman, Jul 5, 2009
  7. qbee42

    qbee42 My other car is a boat

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    I fill up less than once a month with the Gen II tank.

    Tom
     
    #7 qbee42, Jul 5, 2009
  8. Tideland Prius

    Tideland Prius Moderator of the North
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    That's some patience on the gliding part. < 25% engine-on time? Yeesh!! Congrats though! Still, no fair that he got 60 litres in lol =P
     
    #8 Tideland Prius, Jul 5, 2009
  9. TheForce

    TheForce Stop War! Lets Rave! Make Love!

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    I would be more impressed with 150MPG over 1000 miles than 100MPG over 2000 miles.

    This is still a great accomplishment! I whish I could pull those numbers in a regular Prius.
     
    #9 TheForce, Jul 5, 2009
  10. ken1784

    ken1784 SuperMID designer

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    Thank all for your comments.
    He has the standard 45 liters tank.
    We know we can put more than 60 liters to raise the left rear wheel when filling up. :)
    Please note that the 3G Prius could not accept such gain of gasoline.

    [​IMG]
    Japan is a small country and we don't have such long down hill.
    His home road is near Tokyo where the road is almost flat.

    [​IMG]

    Ken@Japan
     
    #10 ken1784, Jul 5, 2009
  11. usbseawolf2000

    usbseawolf2000 HSD PhD

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    Thanks for that map with 1,000 km scale. He could've drove around the entire main island in one tank.
     
    #11 usbseawolf2000, Jul 5, 2009
  12. patsparks

    patsparks An Aussie perspective

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    I thought that was how it was done. Is there a danger of doing harm filling the tank that full?
     
    #12 patsparks, Jul 5, 2009
  13. Tideland Prius

    Tideland Prius Moderator of the North
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    So... they shortened the filler pipe then?
     
    #13 Tideland Prius, Jul 6, 2009
  14. ken1784

    ken1784 SuperMID designer

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    We've never heard of any ill effects.
    But, there's no guarantee. Do it on your own risk. ;)

    Ken@Japan
     
    #14 ken1784, Jul 6, 2009
  15. Patrick Wong

    Patrick Wong DIY Enthusiast

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    Thanks, Ken! What is the fuel tank capacity of the JDM 3G Prius when the left rear wheel is raised?

    Regarding the concern about emissions control damage, I think this would be a problem only if you overfilled, then immediately parked the car in the hot sun so that the gasoline could heat up and expand into the charcoal canister etc.
     
    #15 Patrick Wong, Jul 6, 2009
  16. 2009Prius

    2009Prius A Wimpy DIYer

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    Great news! Thank you! :)

    Just to make sure that I understand the record correctly: the record is for distance per tank, not distance per gallon, since the previous record already achieved 45.3 km/l, right? In other words this new record is for putting more gas in the tank, not for higher fuel efficiency, right? Of course I would be happy to get just a fraction of the mpg achieved. :)
     
    #16 2009Prius, Jul 6, 2009
  17. ken1784

    ken1784 SuperMID designer

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    Thank you, Patrick.
    The official number is 45L on the JDM 3G Prius.
    It looks the raised tank held the same 45L, but I saw my JDM 3G Prius held approx 47L when filled at flat surface. :)

    So, the raised method lost some tank capacity on the 3G Prius. :confused:
    You're absolutely correct. It was not the best distance per gallon or the best MPG number above 1000mile tank.

    AFAIK, the best MPG number above 1000mile tank was 112.2mpg by TeddyGirl@Akita.
    World record distance on a single tank for a Prius II - Japan - July 4 - Aug 16, 2006 - CleanMPG Forums

    Ken@Japan
     
    #17 ken1784, Jul 6, 2009
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