sorry for bad alt text, I lack the terminology to describe this accurately
(i'm not a mechanic, i have no earthly idea if this is accurate. Don't sue me)
this post was submitted on 18 Mar 2025
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it has to do with the angle between the point the tire pivots (steers) on and the point the wheel spins on. The steering point needs to be forward of the spinning point to help the car go straight down the road. Think of a shopping carts front wheels (they're called casters), and how they'll pivot around with the direction you're pushing the cart. That angle can be adjusted so the car tracks properly...