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1,562 miles, New World Record with a single tank

Discussion in 'Gen 2 Prius Fuel Economy' started by ken1784, Aug 12, 2007.

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  1. ken1784

    ken1784 SuperMID designer

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    Hi all,

    I would like to report that Kazu@Tochigi achived 1,562 miles/tank (2,513 km). :eek:
    The computer mileage was 104.2 mpg (44.3 km/L).

    His previous world record was...
    1,467 miles/tank http://priuschat.com/index.php?showtopic=24799&hl=

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

    Ken@Japan

    [​IMG]
     
    #1 ken1784, Aug 12, 2007
  2. TonyPSchaefer

    TonyPSchaefer Your Friendly Moderator
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    Realizing that sometimes large numbers and distances are difficult to conceptualize, I have created this comparison:

    From New York City to Dallas, TX = 1,546 miles.
    [attachmentid=10540]
     

    Attached Files:

    #2 TonyPSchaefer, Aug 12, 2007
  3. bwilson4web

    bwilson4web BMW i3 and Model 3

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    Well done! This report needs to stick around.

    Bob Wilson
     
    #3 bwilson4web, Aug 12, 2007
  4. tballx

    tballx New Member

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    What other mods does this car have?
     
    #4 tballx, Aug 12, 2007
  5. jimmylozza

    jimmylozza New Member

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    <div class='quotetop'>QUOTE(ken1784 @ Aug 12 2007, 09:49 AM) [snapback]494272[/snapback]</div>
    Envy.
     
    #5 jimmylozza, Aug 12, 2007
  6. jiepsie

    jiepsie New Member

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    <div class='quotetop'>QUOTE(tballx @ Aug 12 2007, 06:05 PM) [snapback]494289[/snapback]</div>
    A modified driver ;-)
     
    #6 jiepsie, Aug 12, 2007
  7. Tideland Prius

    Tideland Prius Moderator of the North
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    wow.. nice!

    Damn.. 37°C?!?! Seriously?
     
    #7 Tideland Prius, Aug 12, 2007
  8. SureValla

    SureValla Member

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    <div class='quotetop'>QUOTE(Les Gas @ Aug 12 2007, 12:30 PM) [snapback]494299[/snapback]</div>
    jealousy too
     
    #8 SureValla, Aug 12, 2007
  9. TheForce

    TheForce Stop War! Lets Rave! Make Love!

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    I don't really like these distance records too well because all you really have to do is get a bigger tank or stuff more gas into the current tank. Don't get me wrong I still think this is awesome because this guy still got over 100mpg on this tank. What I would like to see is 120+mpg on a tank. I want to see bigger MPG more than bigger distance numbers.

    And yeah 37C? Damn thats hot.

    Do you have any average speeds? Average distance? Technique used and at what speeds?
     
    #9 TheForce, Aug 12, 2007
  10. SureValla

    SureValla Member

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    <div class='quotetop'>QUOTE(ken1784 @ Aug 12 2007, 10:49 AM) [snapback]494272[/snapback]</div>
    I was not aware of this, this may sound naive but what does it have instead?

    is there a reason?
     
    #10 SureValla, Aug 12, 2007
  11. ken1784

    ken1784 SuperMID designer

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    <div class='quotetop'>QUOTE(tballx @ Aug 13 2007, 01:05 AM) [snapback]494289[/snapback]</div>
    No special modification was done on his Prius.
    He just monitors Prius status using Japanese version of CAN-view and SuperMID M-1 mileage meter.

    <div class='quotetop'>QUOTE(Tideland Prius @ Aug 13 2007, 04:39 AM) [snapback]494368[/snapback]</div>
    Yes. The outside temp was 37°C or 99°F, but he never used A/C. :lol:

    <div class='quotetop'>QUOTE(TheForce @ Aug 13 2007, 05:22 AM) [snapback]494379[/snapback]</div>
    The average speed on the last 292 km was 44 km/h (27 mph).
    I don't know his average distance, but I'm sure he didn't do short trips.
    The basic technique is pulse and glide. I think he pulses up to 50 km/h and glides down to 40 km/h.
    He never drove on highway during this challenge.

    Ken@Japan
     
    #11 ken1784, Aug 12, 2007
  12. ken1784

    ken1784 SuperMID designer

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    <div class='quotetop'>QUOTE(SureValla @ Aug 13 2007, 05:34 AM) [snapback]494381[/snapback]</div>
    The emission control standards are different between NA and other countries.

    Ken@Japan
     
    #12 ken1784, Aug 12, 2007
  13. JimboK

    JimboK One owner, low mileage

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    <div class='quotetop'>QUOTE(ken1784 @ Aug 12 2007, 08:24 PM) [snapback]494424[/snapback]</div>
    Ken, several folks on this forum have recommended using AC in hot weather to keep the battery cool, under the assumption that the battery's performance suffers in the heat. Others have suggested that air flow from keeping the windows open is sufficient and, with its greater convection, possibly better than AC. Obviously Kazu's experience suggests his battery is doing just fine. What is your view? Is there a consensus? What do the other Japanese hypermilers do in weather like that?
     
    #13 JimboK, Aug 12, 2007
  14. ken1784

    ken1784 SuperMID designer

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    <div class='quotetop'>QUOTE(JimboK @ Aug 13 2007, 09:54 AM) [snapback]494431[/snapback]</div>
    I believe it is better not to use the A/C for fuel effciency.
    The most Japanese hypermilers are also doing so and patient with hot climate.

    Anyway, the number of our 1000 mile club members are increasing rapidly these hot months.
    Now, there are 82 members as of August 11th, 2007 and total 319 occurrences recorded compare to 56 members and 208 occurrences in May 2007.
    http://prius.2-d.jp/ippiki/detail.php?mid=15&mver=0

    Ken@Japan
     
    #14 ken1784, Aug 13, 2007
  15. JimboK

    JimboK One owner, low mileage

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    <div class='quotetop'>QUOTE(ken1784 @ Aug 13 2007, 12:23 AM) [snapback]494516[/snapback]</div>
    Thanks! One more (two part) question and I'll leave you alone. :)

    You and your colleagues are monitoring battery temperature, aren't you? What sort of battery temperatures are you seeing without AC on these 37°C days?
     
    #15 JimboK, Aug 13, 2007
  16. patsparks

    patsparks An Aussie perspective

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    Australian Prius also has no bladder, just a conventional petrol tank. Evaporative emissions are looked after the way they are in conventional cars. The bladder is to achieve the super ultra low emission standard for CARB. This guy is doubling my mileage, Amazing but I'd hate to get stuck behind him.

    Summer is on it's way here, most summers we get 10 days at a time with maximums over 38c and normally about 10 days over summer over 40c. I hate it, looks like the car would love it but I like air conditioning.
     
    #16 patsparks, Aug 13, 2007
  17. ken1784

    ken1784 SuperMID designer

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    <div class='quotetop'>QUOTE(JimboK @ Aug 13 2007, 09:14 PM) [snapback]494622[/snapback]</div>
    Sure!
    Please refer to following picture of the Japanese CAN-view.
    You can see the battery temperature is 51°C. :lol:

    Ken@Japan

    [​IMG]
     
    #17 ken1784, Aug 13, 2007
  18. SureValla

    SureValla Member

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    <div class='quotetop'>QUOTE(ken1784 @ Aug 13 2007, 10:47 AM) [snapback]494676[/snapback]</div>
    that thing is beautiful
     
    #18 SureValla, Aug 13, 2007
  19. Bob64

    Bob64 Sapphire of the Blue Sky

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    Wow, is that on the main MFD screen? Really brings the wow factor when you compare it to the scangauge...
     
    #19 Bob64, Aug 15, 2007
  20. Rangerdavid

    Rangerdavid Senior Member

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    OH!! that's just so very COOL!!! THANKS KEN!! :D :D
     
    #20 Rangerdavid, Aug 15, 2007
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