New World Record Challenge: over 50km/L(117mpg) tank

Discussion in 'Gen II Prius Fuel Economy' started by ken1784, Jul 15, 2010.

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    ken1784 SuperMID designer

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    Hi all,

    The current record holder, Hata_Hata@Tokyo, is challenging new record, over 50km/L(117mpg) tank.

    He is now 50.4km/L (118.6mpg) after 2800km (1740miles) driving a tank.
    His target is over 50km/L and 3000km (1864miles).

    Please note that Japanese Prius fuel tank has no bladder and can hold more than 60 liters, 15.9 US gallons.
    Maybe, North American drivers feel some jealous about the distance because of the tank size.
    However, the over 50km/L (117mpg) tank challenge is remarkable, I believe.

    Please join us to support his rest of 200km challenge finishing 3000km driving.

    Ken@Japan

    edit: final numbers

    MFD display FE: 50.2km/L (118.1mpg or 1.99L/100km)
    distance: 3040.1km (1889.4miles)
    fuel refill: 60.16L (15.89 US gallons)
    calculated FE: 50.53km/L (118.9mpg or 1.98L/100km)

    [IMG]

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    ken1784, Jul 15, 2010
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    TonyPSchaefer Your Friendly Moderator

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    Wow. Just wow.
    TonyPSchaefer, Jul 15, 2010
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    TheForce Ron Paul 2012

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    This is awesome! It looks like the Prius is topping out at around the 115MPG mark even when using plug in conversions. My best is 116.7MPGe

    Cant wait to see the final numbers.
    TheForce, Jul 15, 2010
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    ken1784 SuperMID designer

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    He is now 50.4km/L (118.8mpg) at 2889km (1795.5miles).

    Ken@Japan
    ken1784, Jul 16, 2010
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    Tideland Prius Moderator of the North

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    O.m.g.
    Tideland Prius, Jul 16, 2010
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    ken1784 SuperMID designer

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    He seems to finish driving at 3040.1km (1889.4miles).
    Detail will follow...

    Ken@Japan
    ken1784, Jul 16, 2010
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    telmo744 HSD fanatic

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    :rockon:

    Not incredible, not inbelievable, it's super Prius. And a super driver.

    Have you got the final numbers? And it will be written in the World Book of Records, i hope.
    telmo744, Jul 16, 2010
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    PriusG3IV New Member

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    Sugoi! Subarashii! (That's Cool! Great!)

    I wonder what the average speed was .... ?
    PriusG3IV, Jul 16, 2010
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    ken1784 SuperMID designer

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    updated the final numbers (also, added on the first post)

    MFD display FE: 50.2km/L (118.1mpg or 1.99L/100km)
    distance: 3040.1km (1889.4miles)
    fuel refill: 60.16L (15.89 US gallons)
    calculated FE: 50.53km/L (118.9mpg or 1.98L/100km)

    His average speed is approx 30km/h (18.6mph).

    Ken@Japan
    ken1784, Jul 16, 2010
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    FireEngineer Active Member

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    Didn't TeddyGirl have a higher average a year or two back?

    Wayne
    FireEngineer, Jul 16, 2010
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    ken1784 SuperMID designer

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    ken1784, Jul 16, 2010
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    Mark57 Active Member

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    Simply amazing.
    Mark57, Jul 16, 2010
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    F8L Protecting Habitat & AG Lands

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    Thank you for the updates Ken. :)
    F8L, Jul 16, 2010
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    Tideland Prius Moderator of the North

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    wow... and the average speed of 30km/h isn't that much slower than my usual average speed of 32km/h. Yeesh!
    Tideland Prius, Jul 16, 2010
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    SageBrush Senior Member

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    Any chance of seeing a map of the route ?
    SageBrush, Jul 16, 2010
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    ken1784 SuperMID designer

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    I agree.
    We are driving a high potential vehicle called Prius.
    There are certain processes to be placed on the Guinness Book.

    • a witness from start to finish
    • fuel tank has to be empty before start
    • fuel cap has to be sealed after filling up
    • fuel has to be used until running out
    • driving distance has to be confirmed by a witness
    Unfortunately, he did not follow the process.
    His home road is wide area of north Tokyo.
    He never drive highway during the challenge run.

    Ken@Japan

    [IMG]

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    ken1784, Jul 17, 2010
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    2009Prius A Wimpy DIYer

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    2009Prius, Jul 20, 2010
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    usbseawolf2000 HSD PhD

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    Ken, what tire are they using?
    usbseawolf2000, Jul 20, 2010
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    ken1784 SuperMID designer

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    Good point!

    They use OE version of Goodyear GT3 summer tires.
    Goodyear-City Tire

    The GT3 is used as Toyota genuine factory tires since 2003 Prius launch.
    The Japanese Gen3 Prius L (38km/L version) also uses this GT3 tires.

    It is not rated ECO tires, but we could not find any better fuel economy tires than the GT3 yet.

    Recently (June 2010), Bridgestone Japan announced ECOPIA EP100S summer tires, and it seems the EP100S rolling resistance is almost same as the GT3.
    ECOPIA EP100S press release (Japanese only)

    Ken@Japan
    ken1784, Jul 20, 2010
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    ken1784 SuperMID designer

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    ken1784, Jul 20, 2010
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