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This is a discussion on Dyno sheet? virtual dyno within the Engine Modifications forums, part of the Tech & Modifying & General Repairs category; its newton meters of torque ... have him regraph it with ftlbs used. newton meters of torque is different. Look ...

  1. #16
    Registered User bbarnhill's Avatar
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    its newton meters of torque ... have him regraph it with ftlbs used. newton meters of torque is different. Look in the y-axis title ... it has (Nm)

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  3. #17
    zax
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    Quote Originally Posted by EJ257 View Post
    It can be useful if the information is input correctly. Were you only logging RPM, TOA, PSI, and WBO2? Was "Fast Polling" on?

    Notice how it TQ/HP doesn't cross @ 5252 RPMs? That graph is useless.
    The graph doesn't cross because it's in Newton-Meters Matty. The calculation for WHP is (torque (pound-foot) * RPM)/5252 . Since 1 Newton-Meter is 0.737 foot-pounds, the dyno graph should now cross at 7105 RPM
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    Registered User bbarnhill's Avatar
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    Quote Originally Posted by zax View Post
    The graph doesn't cross because it's in Newton-Meters Matty. The calculation for WHP is (torque (pound-foot) * RPM)/5252 . Since 1 Newton-Meter is 0.737 foot-pounds, the dyno graph should now cross at 7105 RPM
    Thanks zax for the help.

  5. #19
    Moderator Donkey's Avatar
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    Quote Originally Posted by bbarnhill View Post
    its newton meters of torque ... have him regraph it with ftlbs used. newton meters of torque is different. Look in the y-axis title ... it has (Nm)
    Didn't see that!
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  6. #20
    Master Baiter EJ257's Avatar
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    Quote Originally Posted by zax
    The graph doesn't cross because it's in Newton-Meters Matty. The calculation for WHP is (torque (pound-foot) * RPM)/5252 . Since 1 Newton-Meter is 0.737 foot-pounds, the dyno graph should now cross at 7105 RPM
    Didn't notice that. Didn't pay that much attention to the graph, since it looked horrible.
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  7. #21
    zax
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    Quote Originally Posted by bbarnhill View Post
    Thanks zax for the help.
    Welcome.

    Quote Originally Posted by EJ257 View Post
    since it looked horrible.
    That it does...
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    Registered User sxcrxy's Avatar
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    Quote Originally Posted by EJ257 View Post
    Didn't notice that. Didn't pay that much attention to the graph, since it looked horrible.
    lol yes i changed it to Nm im just use to it

  9. #23
    Registered User bbarnhill's Avatar
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    Cool clarification

    Quote Originally Posted by sxcrxy View Post
    lol yes i changed it to Nm im just use to it
    Yeah we had to clear up that confusion before people thought it was a problem with Virtual Dyno ...

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