Quote:
Originally Posted by mkoesel
What if both the rack and the pinion have constant pitched teeth, but the pinion is not circular (think egg-shaped)? The steering shaft would need to be on a non-fixed-in-space mount, sure.
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Well then you would have the varying pitch pattern repeate itself in fixed intervals and that would be really strange. The issue is that the pinion gear, generally speaking, will be small and go through several full rotations during lock-to-lock travel. Plus, I assume the gear geometries would be out of whack. If someone can shed light on the howstuffworks blurb, that would be great.