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Jerry442

(1,265 posts)
6. It's like those airport luggage carts:
Tue Oct 2, 2012, 06:25 PM
Oct 2012

If you've ever watched a luggage handler tow a string of those carts around the ramp, you'll notice that the steering linkages on the carts are set up so each cart precisely follows the track of the previous one. No matter how much fancy footwork the driver has to do to maneuver his tractor around obstacles, the carts will track right behind and clear the obstacles too.

But then again, luggage carts don't have to do lane changes.

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