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ScanGauge Fun: Torque ?

Discussion in 'Gen 2 Prius Technical Discussion' started by SageBrush, Mar 13, 2011.

  1. SageBrush

    SageBrush Senior Member

    Joined:
    Jun 4, 2008
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    Location:
    Southwest Colorado
    Vehicle:
    2012 Prius v wagon
    Model:
    Two
    Disclaimer 1: I am a SG noob;
    Disclaimer 2: Rather poor understanding of engineering

    There, if that didn't scare you off, well then thanks :)

    Driving at the highest ICE efficiency is one of the keys to high fuel economy after anticipatory driving has been mastered. The Prius all by itself does pretty good, but I wonder if a motivated driver can improve things a little. My basic thought is to run the ICE in a 1500 - 2500 rpm range, and try to keep torque at levels that match ~ 220 grams SFC on the G2 Charts others have published.

    If that makes sense, then how do we get torque data ? Perhaps an x-gauge already exists, but if not can we combine two gauges ? ICE_power/rpm would do the trick I think.

    Comments and help appreciated!
     
    #1 SageBrush, Mar 13, 2011
  2. ken1784

    ken1784 SuperMID designer

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    Location:
    Yokohama, JAPAN
    Vehicle:
    2010 Prius
    Model:
    N/A
    In my case, I did not care about torque value because I could not control torque.
    A driver requests power demand by the accelerator pedal position, then Prius engine responds by pre-determined rpm and torque combination.
    For example, 40kW request -> 4000rpm on the Gen2.
    Please refer to following chart derived from this thread.

    Ken@Japan

    [​IMG]
     
    #2 ken1784, Mar 13, 2011
    1 person likes this.
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