Page Comparison

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• Forces balance out
• The LCA-upright node resists forces in all directions
• The only forces on the upright are from the contact patch, UCA, and LCA
• The LCA provides no restorative moment about the X or Z (depends on mounting)
• The moment of the upright about the Y-axis is handled by the steering system
• The LCA clevis does not provide a moment about the X-axis
• The pushrod is mounted at a 45 60-degree angle (currently 63 degrees, might revisit calculations)
• The coilover has no effect on the y reaction of the pushrod (any sufficiently long corner will fully compress the coilover)
• The LCA-upright node does not travel more than 30mm in the Y from its clevis (currently about 25mm with a coilover compression of 40mm)

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The pushrod will be mounted at a 45 60-degree angle, which means that so we can get the force it exerts in the Z-axis will match the force it exerts in the Y-axisas well.

Since these forces must cancel out in all directions, we can sum the reactions we have calculated to find the force the LCA exerts on its clevis.

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Since the contact patch forces are not directly in line with the clevis, the LCA creates a moment about the clevis node. The clevis provides no moment in the X, so we simply calculate the moments in the Y and Z. The distances involved are listed below, rounded up by 10-15%.

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