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Thread: Low torque values

  1. #1
    Kart Driver
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    Low torque values

    I was looking at the telemetry dashboard and the torque values seem to be very low.
    Some examples:
    - GT86 max torque from telemetry about 150Nm (real value 205Nm)
    - BMW 1M max torque about 360Nn at very high rpm, about 4000rpm (real value 500Nm from 1500 to 4500 rpm).

    Maybe it's a conversion error and the data reported are in lb-ft (this would explain the peak values) but in any case the shape of the torque curve for some vehicles seems to be quite scarse at low rpm.

  2. #2
    Superkart Pilot
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    Where you measuring this, GT86 peaks at 207Nm and the 1M at 480-490Nm albeit between 3400-4700 rpm.

  3. #3
    Kart Driver TylerDurden4321's Avatar
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    150 ft lbf <=> 203.4 Nm
    360 ft lbf <=> 488.1 Nm

    you might be right about the missing units conversion - I haven't checked myself.

    About the curve...? Probably a dumb question, but you had traction control off and tested on a long straight starting in a higher gear, right?

  4. #4
    Kart Driver
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    All assists off

  5. #5
    WMD Member ermo's Avatar
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    Quote Originally Posted by AVO View Post
    I was looking at the telemetry dashboard and the torque values seem to be very low.
    Some examples:
    - GT86 max torque from telemetry about 150Nm (real value 205Nm)
    - BMW 1M max torque about 360Nn at very high rpm, about 4000rpm (real value 500Nm from 1500 to 4500 rpm).

    Maybe it's a conversion error and the data reported are in lb-ft (this would explain the peak values) but in any case the shape of the torque curve for some vehicles seems to be quite scarse at low rpm.
    The physics code takes altitude into consideration -- lower pressure = lower oxygen level = lower amount of fuel injected = lower torque.

    Not saying that this is your issue, but you might want to test the torque from naturally aspirated cars at both low and high altitude tracks and see if the numbers reported correlate with track altitude.

    For turbo cars, the turbo *ought* to just spin faster and make up the pressure difference (since the wastegate only opens once the configured absolute pressure is reached).

    But yeah, could be a UI unit bug...
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