Re: Restoring the ''Rapid'' in ''Rapid Transit'' (1572769) | |||
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Re: Restoring the ''Rapid'' in ''Rapid Transit'' |
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Posted by K. Trout on Mon Apr 5 21:59:27 2021, in response to Re: Restoring the ''Rapid'' in ''Rapid Transit'', posted by VictorM on Mon Apr 5 16:30:23 2021. The 60 St tunnel is one of very few places on the subway where I actually feel pressure on my eardrums. I assume there's some complicated reason for this regarding air pressure differentials at high enough velocities. |