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| Re: Flat wheel spots on the R46 (350950) | |||
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Re: Flat wheel spots on the R46 |
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Posted by tracksionmotor on Sun Dec 10 15:42:02 2006, in response to Re: Flat wheel spots on the R46, posted by Train Dude on Sat Dec 9 21:47:06 2006. Defective base. Railroad wheels are made in two parts...a hard base for hub and a softer tread applied as a heated ring which after final machining appears to be unitised. NYCTA 'new tech' uses Sumitomo wheels...what happens when wheel is worn beyond 20/16ths? Is the wheel scrapped outright or is it 're-treaded? I've seen the flatbeds on I-80 loaded with axles heading West. RRCI Peter |
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