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Type: Posts; User: DougMilliken

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  1. Or integrate yaw rate recorded while driving...

    Or integrate yaw rate recorded while driving around a circle, and compare to the lap time (beacon signal in the same data set)? Noisy, but better than no calibration at all.


    Ha! Thanks for the...
  2. Hi Bill -- where did you attach (ground,...

    Hi Bill -- where did you attach (ground, reference) the plate and tubes that the magnetic base indicators sit on? With everything bending around I never was completely happy with any of the places...
  3. I think Bill had something like this in mind, but...

    I think Bill had something like this in mind, but he's probably seen worse(?). I took off the identifying information, this is from an actual aligning torque compliance test, with the power steering...
  4. Olley and his associates started out using roll...

    Olley and his associates started out using roll steer (and later, I think they decided it was a bad idea) , but were also using deflection steer.

    "Deflection Steer Due to Lateral Forces" and...
  5. Nice example, but your timing is off by a couple...

    Nice example, but your timing is off by a couple of generations... Olley and his co-workers recognized that compliance was important in the 1950's or earlier. They called it "deflection steer", so...
  6. It is considerably more complex if the goal is to...

    It is considerably more complex if the goal is to predict ride height with some accuracy (part of simulating ground effects aero). Tires are rarely standing up perfectly straight, and loaded radius...
  7. After adapting our software for several different...

    After adapting our software for several different large customers (through the 1980s and 1990s), we gave the user several choices for defining the suspension. The documentation to cover these...
  8. Z -- The MMM analysis can be arbitrarily...

    Z -- The MMM analysis can be arbitrarily detailed: Some of the early examples in Chapter 8 use a bicycle model, possibly using tire data based on pair analysis (Chapter 7). The later examples in...
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