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| Re: Strange Acoustical Resonances Gives Current Subway Cars an R9 Bearing Whine Sound at Union Square (1508004) | |||
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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 zac on Sat Mar 23 22:52:01 2019, in response to Re: Strange Acoustical Resonances Gives Current Subway Cars an R9 Bearing Whine Sound at Union Square, posted by Joe V on Sat Mar 23 21:33:34 2019. I first noticed this on the downtown 6 between 14th and BB a few years ago. The sound eventually faded as the rails wore and you don't hear it anymore. It is very obvious at USQ on the Q now but you don't hear it anywhere else. |
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