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Look at this screen

Discussion in 'Gen 2 Prius Main Forum' started by jamarimutt, Nov 11, 2006.

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  1. jamarimutt

    jamarimutt New Member

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    Would someone care to guess how this happened? :D
     

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    #1 jamarimutt, Nov 11, 2006
  2. mcbrunnhilde

    mcbrunnhilde Opera singin' Prius nut!

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    Hmmm...30 minutes of (nearly) full bars and only 43 mpg...If you were in California, I'd say you went up and down the Grapevine! (Or the Rockies...)

    :)
     
    #2 mcbrunnhilde, Nov 11, 2006
  3. derkraut

    derkraut Member

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    You were pushed or towed, or coasted down a REAL LONG hill???
     
    #3 derkraut, Nov 11, 2006
  4. kDB

    kDB New Member

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    From the lack of regen cars, it couldn't be a very steep hill. Unless you purposely used the friction brakes.
     
    #4 kDB, Nov 11, 2006
  5. Tideland Prius

    Tideland Prius Moderator of the North
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    There is no way you could've glided for 30 mins, is there? lol Then the last 5 mins, included a stop (slight downhill since a stop on a flat surface won't generate 7.5Wh)
     
    #5 Tideland Prius, Nov 11, 2006
  6. stomsf

    stomsf New Member

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    Photoshop! :D
     
    #6 stomsf, Nov 11, 2006
  7. efusco

    efusco Moderator Emeritus
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    Heavy traffic, the last bar's a little weird, makes me thing maybe that's when you exited then had a little downhill and braking to get the regen cars.
     
    #7 efusco, Nov 11, 2006
  8. keydiver

    keydiver New Member

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    The last time I saw a screen like that the guy was stuck in a construction zone down a LONGGGG mountain.
     
    #8 keydiver, Nov 11, 2006
  9. derkraut

    derkraut Member

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    So....Jamarimutt-----How did you do it??? C'mon, tell us. :unsure:
     
    #9 derkraut, Nov 11, 2006
  10. Orf

    Orf New Member

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    What about sitting there idling for 28 minutes before heading down hill. Have you been pumping up your house electricity supply?
     
    #10 Orf, Nov 11, 2006
  11. Skwyre7

    Skwyre7 What's the catch?

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    <div class='quotetop'>QUOTE(jamarimutt @ Nov 11 2006, 06:18 PM) [snapback]347581[/snapback]</div>
    A happy accident? :p
     
    #11 Skwyre7, Nov 13, 2006
  12. TonyPSchaefer

    TonyPSchaefer Your Friendly Moderator
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    If you start with a high SOC, you can stealth through a road obstruction , inching along, stopping when needed and then lightly stealthing up a little ways.

    That's possible because after 361 miles, you're averaging only 43.0 MPG and when it's 84ºF outside, your engine isn't going to cool down as quickly. If you were traveling any real distance averaging 99.9 MPG for 30 minutes, your average mileage would have been through the roof. As it is, there are probably ~360 miles of 42.5 MPG driving and ~1 mile of 99.9 MPG creeping along.

    As for that last bar, four minutes into it, you passed the road obstruction and sped up. The engine worked hard and generated the cars.
     
    #12 TonyPSchaefer, Nov 13, 2006
  13. dreichla

    dreichla New Member

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    I'm going with the construction crowd. What's the answer? I'm dying to know!
     
    #13 dreichla, Nov 13, 2006
  14. nerfer

    nerfer A young senior member

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    <div class='quotetop'>QUOTE(Orf @ Nov 11 2006, 09:40 PM) [snapback]347675[/snapback]</div>
    That can't be it, because if you haven't moved at all in 5 minutes, that interval will show up as a blank (0.0 mpg), regardless of what the ICE & battery do.

    I'm going with the very slow traffic idea, and A/C off. Another option (and I'm just throwing this out there) is driving slowly in reverse for 1/2 hour since the ICE isn't used for that (altho it would still recharge the batteries when needed). I'm assuming backward miles count towards the mpg figure.
     
    #14 nerfer, Nov 13, 2006
  15. efusco

    efusco Moderator Emeritus
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    My secondary guess is that you forgot to shut the car off when you were inside shopping or something, came back out, drove just a little to get the regen and a burn just a little gas to recharge the battery. But my first guess of heavy traffic and/or construction zone is still primary.

    BTW, you don't get regen cars for energy produced by MG1, only energy produced by MG2, so you won't get regen cars by driving hard....only from braking/slowing w/MG2.

    Also, at a stop you can/will show 100mpg bars on the display even without moving as long as the ICE doesn't run at all during that 5 minute period. If it runs even a little it'll drop you to 0 mpg.
     
    #15 efusco, Nov 13, 2006
  16. DanMan32

    DanMan32 Senior Member

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    <div class='quotetop'>QUOTE(efusco @ Nov 13 2006, 02:26 PM) [snapback]348329[/snapback]</div>
    As Nerfer stated, that can't be. You'd see 0 bars for any 5 minute mark that you moved 0 miles.

    This is possible if one moved 1 foot or more (or it might be a yard to be sensed) during each 5 minute interval for a whole 30 minutes without tripping the ICE.
    But not too many feet(yards) that the SOC goes down so that ICE gets tripped. AC and heat would have to be off to avoid battery and heat drain which would trigger ICE to start.

    Slow/stop-and-go traffic would provide such a situation.
    The deceptive item is the 361 miles, but since average tank MPG is 43, that's not relevant.
     
    #16 DanMan32, Nov 13, 2006
  17. orionll

    orionll Active Member

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    You have the E.V. mod and you were driving around slowly and taking in the scenery. Well at least that is what I think you did.
     
    #17 orionll, Nov 13, 2006
  18. Allannde

    Allannde Just a Senior

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    <div class='quotetop'>QUOTE(orionll @ Nov 13 2006, 04:35 PM) [snapback]348506[/snapback]</div>
    I agree, a construction zone in EV with many stops and starts. Simply driving in EV would deplete the traction battery.
     
    #18 Allannde, Nov 13, 2006
  19. Ron Dupuy

    Ron Dupuy New Member

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    I come close to this everyday, coasting down from 3000' to sea level. My difference is I start with a discharged battery and so do regen, and a cold engine so the first five is only 65mpg. My trip is only 20 minutes though. I think this could easily be done from 4000' with a warm engine and charged battery.
     
    #19 Ron Dupuy, Nov 13, 2006
  20. efusco

    efusco Moderator Emeritus
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    <div class='quotetop'>QUOTE(Ron Dupuy @ Nov 13 2006, 08:36 PM) [snapback]348543[/snapback]</div>
    Oh, or in Neutral down a hill...that would prevent regen!
     
    #20 efusco, Nov 13, 2006
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