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| Re: Strange Acoustical Resonances Gives Current Subway Cars an R9 Bearing Whine Sound at Union Square (1507961) | |||
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Re: Strange Acoustical Resonances Gives Current Subway Cars an R9 Bearing Whine Sound at Union Square |
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Posted by Kriston Lewis on Sat Mar 23 17:14:13 2019, in response to Strange Acoustical Resonances Gives Current Subway Cars an R9 Bearing Whine Sound at Union Square, posted by heypaul on Sat Mar 23 13:44:36 2019. Those are new welded rails that you are hearing. They are being installed across the system. Any equipment that runs over them will cause that sound. |
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