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Math Help - Vehicle Alignment Question

  1. #1
    Member Ranger SVO's Avatar
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    Vehicle Alignment Question

    I was just curious, I plan to lower the front of my Ford Ranger 1-inch by replacing the front springs with a shorter springs. But lowering the truck will change the suspension geometry.

    The I-Beam is 34-inches long. It moves up and down in an arc, if I lower the truck 1-inch then the tire lean (camber) changes. But How Much?

    This is what I've figured out so far, am I on the right track? If so what is the angle measure between the two lines?
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  2. #2
    MHF Contributor
    skeeter's Avatar
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    Re: Vehicle Alignment Question

    the central angle equals the angle in question.

    dropping vertically 1" is very close to an arc length of 1" ...

    \theta = \frac{s}{r} = \frac{1}{34} \cdot \frac{180}{\pi} \approx 1.7^\circ
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  3. #3
    Member Ranger SVO's Avatar
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    Re: Vehicle Alignment Question

    I should have realized that. Thank you.
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