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Prius 0-60 fun

Discussion in 'Gen II Prius Technical Discussion' started by 928Quest, Mar 24, 2008.

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  1. 928Quest

    928Quest New Member

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    Let me preface this by saying, I know full well the Prius is not a sports car, not very quick and nimble. The Prius has different goals ,nice size, fuel economy, and high technology. I do love it for what it is, 53 mpg average so far on my second tank, cool.

    Still I thought it would be interesting to test my new 2008 Std. Pkg 4 using my GTECH RR performance meter, I have used this for tuning my Porsche and found it to be consistant and accurate.

    So below are two graphs made from three seperate runs from 0mph to just above 60mph. The first graph is time to speed, and the second graph show G's. All three runs are overlayed. It about what I expected.

    Oh... and my average of the last 40 miles dipped from 53mpg to 49.6mpg after making the runs.

    Attached Files:

  2. bwilson4web

    bwilson4web 03 and 10 Prius

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    Thanks!

    I drive a 2003 Prius and here is some of my data:
    [​IMG]

    You may want to repeat the test from a standing start after "force charging" the battery. Just hold the brake down with your left foot and floor the accelerator. When the engine auto-shuts, you are ready. Just pull up the starting point and let 'er rip.

    GOOD LUCK!
    Bob Wilson
  3. Tideland Prius

    Tideland Prius Moderator of the North Staff Member

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    ~10.5 secs... sounds about right.
  4. usbseawolf2000

    usbseawolf2000 HSD PhD

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    Looks more like 10.4 seconds... however, at 0.0 second, the Prius was doing 3 mph.

    Keep more coming. How about 30-50 mph and 50-70 mph timing?
  5. patsparks

    patsparks An Aussie perspective

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    Seriously thinking about doing a hillclimb and 1/4 mile run some time soon in mine. Just for a laugh.
  6. bwilson4web

    bwilson4web 03 and 10 Prius

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    I would be very interested in the height of the hill, linear distance of the hill track, and mileage or total fuel burned at these speeds:
    • ~88 km/hr
    • ~96 km/hr
    • ~105 km/hr
    • ~113 km/hr
    • ~121 km/hr
    Let the cruise control manage the speed during the climb and use the same 'reset' point at the bottom and 'mark' point at the top. I'm not hard on what speeds are used and if you do them in 10 km/hr increments from say 90 km/hr, that would be quite sufficient. What I'm after is the shape of the fuel consumption as a function of speed for your vehicle over a non-trivial, ~2 km, hill climb.

    The key is to find the 'local minimum', the fastest speed up the hill that gives the worst mileage. As your speed going up the hill increases above the local minimum, you'll see more energy being drawn from the battery. This gives the illusion of improved mileage when in fact it is just robbing the battery of energy that has to be replaced after the crest of the hill.

    On the low speed side, it brings the vehicle into the peak power producing ranges. This in turn helps us understand the peak engine performance curve (aka., at what speed the ICE begins to lose significant efficiency.)

    There is a tremendous amount of data in a properly done hill climb test.

    Thanks,
    Bob Wilson
  7. SyCo

    SyCo Member

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    Nice !!!

    What tire pressure ? 15" or 16" wheels ?

    Do you have 1/4 mile runs ? :rolleyes:
  8. Qlara

    Qlara New Member

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    Cool, those are nice findings.
    And what are the calculated HP and Torque ratings too?

    Does it calculate lateral G as well? I wonder what's the SkidPad rating of the Prius.....
  9. 928Quest

    928Quest New Member

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    Tire Pressure, 42 Front, 40 Rear, 15" wheel (standard wheel and tire).
    No quarter mile runs as I was not in a safe space to do that.
    Yes the GTech does show power and torque, but there are several issues with that,

    1. For Power and torque, you need an accurate weight. I plugged in 3000lB, which might be a bit light by the time you add fluids and me. Therefore the the HP graph was scaled a bit low I think, but it turned out really flat which is what I'd expect with the CVT.

    2. For some of the data screens you also need RPM, the GTech takes RPM from the 12V accessory socket in a normal car. The Prius looks to be far from normal, duh, as the RPM always read 4000 no matter what.

    3. The GTECH RR will give lateral G's but I did not test for that. It will also plot your g's at different point in a road coarse, but again I did only the easy thing.

    I may post the POWER curve later tonight with the warning that the scale may be wrong.
  10. Sheepdog

    Sheepdog C'Mere Sheepie!

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    After driving mine around like an old lady for 1000 miles I was surprised when I punched it hard from a stop.

    I thought it a snail. Instead it be a laser snail!
  11. Ozzyprv

    Ozzyprv New Member

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    OFF TOPIC: Sheepdog, I just happened to be watching that episode of Family Guy last night (your avatar), very funny.

    :focus:
  12. Tideland Prius

    Tideland Prius Moderator of the North Staff Member

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    Do a search, keyword "dyno".

    The hp rating is ~105hp and tq is ~ 115lb-ft
  13. F8L

    F8L Protecting Habitat & AG Lands

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    I do and they were not pretty. I did beat a Scion xB about 10 times though. :rofl:
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