This started in the DCA project tracker thread, but I wanted to explore the math and practical issues more, so started a new thread for it. I hope nobody finds this too math-y.
Why is there a little jog in the Red Car Trolley tracks as it transitions from the Carthay Circle to the straight Hollywood street?
The aesthetic answer is that it makes things more interesting. The common sense (and I played with model trains) answer is that too tight a turn would "crowd" guests on the inside of the turn as well as "poke" guests on the outside of the turn. But what is the actual math? How much extra crowding/poking would we get if the turn radius was tighter?
I think the only variables needed are the radius of the turn and the wheelbase of the trolley. The width of the trolley carriage is important from a practical standpoint, but doesn't change the math (how many extra inches the trolley would crowd on one side, protrude on the other).
I've done my own little bit of math. Hopefully mycroft16, flynnibus and TreoFred can all chime in.