Re: USRA boxcar door track question.
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Probably just for strength. As the heavy door moves to the left, there's
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more weight borne by that part of the door track, so extending the track distributes the load across a wider support area. I'm assuming the upper track carried most of the weight of the door -- a "top hung" door. Tim O'Connor
At 6/11/2011 07:22 PM Saturday, you wrote:
While working on some models recently, I had cause to wonder about the upper door track configuration on the USRA single sheathed boxcar. Why did it extend to the left of the door? I searched the archives and found someone had asked the question a while ago, but apparently received no answer! |
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