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Hi. I'm hoping someone on this forum with how to operate my model of a yard. I have a yard with the configuration that sidings leading from the yard throat each come to a dead end. My questions have to do with parking freight cars on the sidings. 1970's era, if that makes a difference. Would a prototype road have all the parked cars coupled together, at the end of the siding, using a house air supply to keep up the air brakes? Or would the extra step of coupling up a car to the parked lineup when the switcher drops it off be too time-consuming? How are the air brakes usually kept up when a car is parked in a yard? How long does it take for an isolated car to lose the pressure in its air brake system?
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