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| Re: Since We are on the subject....TIME TO SHOW HOW ROBUST THE OLD SMEES ARE. (646555) | |||
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Re: Since We are on the subject....TIME TO SHOW HOW ROBUST THE OLD SMEES ARE. |
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Posted by JournalSquare-K-Car on Wed Jul 9 18:35:59 2008, in response to Re: Since We are on the subject....TIME TO SHOW HOW ROBUST THE OLD SMEES ARE., posted by Jeff H. on Tue Jul 8 18:47:39 2008. I think what he is talking about is incorrect.The railcars didn't really have crumple zones, but rather, collision posts mounted to a frame that slid back a BIT to absorb impact, and couplers that also absorbed energy. A similar test was done with MTA LIRR M-1s, by adding really big buffers(in the form of a movable box frame at the end), essentially. Those devices were actually designed to prevent jacknifing, but they help keep the car together too. Note that these tests were done on ROBUST cars WITH FRAMES. |
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