I'm still trying to figure this one out.
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I'm woefully short of cars so far, but I'm finding I need many more than I thought I did. For example, I have a refinery with loading rack spots for 16 cars, I have about 10 other spots scattered around the layout, with ten or twelve more to come (not counting staging).
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I currently have 31 tank cars on the layout.?
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I had six empties in the yard for OperationsPro to move to the loading racks at the last session. I'm going to need a LOT more tank cars! When I start using custom loads (kerosene, gasoline, light machine oils, asphalt, heavy residuals, etc.) I suspect that will balloon even more.
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I'll know I have enough when the refinery begins receiving and shipping capacity cuts of cars (14-16 per session). I'm betting that will be pushing a total of 100 cars.
Mark P.