QUOTE: Originally posted by foureasy Thanks,guys. I understand about squeals and thumps being normal train noise,BUT with a significant loud banging on one car,it didn't sound normal.However,thanks for the replies.
"I like my Pullman Standards & Budds in Stainless Steel flavors, thank you!"
Larry Resident Microferroequinologist (at least at my house) Everyone goes home; Safety begins with you My Opinion. Standard Disclaimers Apply. No Expiration Date Come ride the rails with me! There's one thing about humility - the moment you think you've got it, you've lost it...
QUOTE: Originally posted by tree68 I've got the CSX number programmed in my cell phone... Most flat wheels are pretty obvious as they pass you. For a real racket, combine a flat wheel with an empty hopper.
QUOTE: Originally posted by dwil89 QUOTE: Originally posted by tree68 I've got the CSX number programmed in my cell phone... Most flat wheels are pretty obvious as they pass you. For a real racket, combine a flat wheel with an empty hopper. I've noticed alot of hoppers with flatspots.... When I stay at the Station Inn in Cresson, when a coal drag grinds upgrade past the Inn in the middle of the night, I can tell without looking out the window that it is a coal drag...especially so with the loaded drags. The train is perhaps doing 15-20 mph up the grade and it seems every few cars is the bam-bam-bam-bam-bam-.....I wonder why so many coal hoppers get flat-spots.....I know I witnessed one being loaded in Portage,Pa one time, and it seemed like the train was being dragged under the tipple with brakes partially engaged because of all the groaning and squealing I was hearing as the train moved through at barely a crawl...perhaps some wheels drag in these sutuations, causing flats. Dave Williams http://groups.yahoo.com/group/nsaltoonajohnstown
-Don (Random stuff, mostly about trains - what else? http://blerfblog.blogspot.com/)
QUOTE: Originally posted by oltmannd QUOTE: Originally posted by dwil89 QUOTE: Originally posted by tree68 I've got the CSX number programmed in my cell phone... Most flat wheels are pretty obvious as they pass you. For a real racket, combine a flat wheel with an empty hopper. I've noticed alot of hoppers with flatspots.... When I stay at the Station Inn in Cresson, when a coal drag grinds upgrade past the Inn in the middle of the night, I can tell without looking out the window that it is a coal drag...especially so with the loaded drags. The train is perhaps doing 15-20 mph up the grade and it seems every few cars is the bam-bam-bam-bam-bam-.....I wonder why so many coal hoppers get flat-spots.....I know I witnessed one being loaded in Portage,Pa one time, and it seemed like the train was being dragged under the tipple with brakes partially engaged because of all the groaning and squealing I was hearing as the train moved through at barely a crawl...perhaps some wheels drag in these sutuations, causing flats. Dave Williams http://groups.yahoo.com/group/nsaltoonajohnstown Newer open top hoppers are very prone to slid flat wheels. The design goal is always to reduce the empty weight and to increase the allowable load per car. In order to maintain a decently high braking ratio when loaded, you wind up with a really high empty braking ratio. So, if there is anything at all on the rail that reduces adhesion, the wheels will start to slide. Once they start sliding, they keep sliding until the brakes are released. (static friction between the brake shoe and wheels being greater than sliding friction)
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