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"Singing" Switches

Posted by Anonymous

on Sat, Nov 12 2005 7:17 PM

I was on the Pittsburgh line today by Conway (CP Leets, MP15) and I heard a very loud ringing noise comming off three switches on track one, one for a spur and two interlockings on the main. I thought maybe they where doing some maintance on them but they looked normal and trains where still running on track one. Anybody got any insight?

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Posted by joseph2

on Tue, Nov 15 2005 4:16 PM

When car wheels go thru a curve or a switch,the wheel flange rubs against the inside of the rail,makes a squealing sound. Is that what you heard ?

Posted by Anonymous

on Thu, Nov 17 2005 5:22 PM

QUOTE: Originally posted by joseph2

When car wheels go thru a curve or a switch,the wheel flange rubs against the inside of the rail,makes a squealing sound. Is that what you heard ?

nope, there was no train on or near the track.