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| Re: Flat wheel spots on the R46 (351984) | |||
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Re: Flat wheel spots on the R46 |
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Posted by tracksionmotor on Mon Dec 11 23:38:14 2006, in response to Re: Flat wheel spots on the R46, posted by South Brooklyn Railway on Mon Dec 11 18:46:47 2006. A spot is a dot....a flat requires damage of several inches of tread cutting to attain damage of significance to 1/8th" of depth or more per NYCTA standards. A 36" diameter wheel has an approximate circumference of 112" and a to get a flat of 1/8" deep requires a skid 4" in legnth....just don't cite me as a 'nuklear' mathemetician.Wheels stay crispier longer with the use of Crisco. RRCI Peter |
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