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Old 10-09-2012, 09:18 AM   #26
glatt
 
Join Date: Jul 2003
Location: Arlington, VA
Posts: 27,717
very good point.

There are no shots from the end, but you can see those rail wheels are set back a bit from the sides. So I'd guess it's about 3 of those blocks to fit between two rails, putting each at about 1.5 feet.
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