I think you are referring to a hump yard, usually there are retarders, one on each rail that slows the rolling stock. A very sophisticated setup in this modern era.
Composed with my Crayons On 9 Feb 2020, at 00:27, N <nicklas.karlsso...@gmail.com> wrote: >>> On 02/07/2020 11:43 AM, N wrote: >>> Are however not sure the westinghouse system is better >>> there pressure is loaded then breaks are not used. First >>> time I heard about the accident there an oil train have >>> crashed then driver was sleeping and left engine on >>> locomotive running I thought driver was drunk. Later >>> however I learned fire department put out fire and did not >>> know it should be running to keep pressure up, this system >>> is still allowed? Or I got it wrong? >> Yes, the catastrophe was in Canada where a freight train >> loaded with oil tank cars was parked on a weekend, the >> locomotive engines were left running so the parking brake >> would continue to hold. There was no crew on the train. >> One of the locomotives caught fire, the fire crew was called >> and put it out, and they shut off both locomotive engines. >> About 8 hours later the air tanks leaked down, and the train >> rolled downhill and crashed on a curve, essentially burning >> an entire small town to the ground. >> >> As far as I know, the air brake system on trains has not >> been changed very much in the last hundred years, it was >> used on steam locomotives before Diesels. > > Have seen example on youtube there a canadian train break in two there breaks > are automatically applied on the last wagons so they stop. Have also seen > some movies/examples of runaway train from USA but do not think this is a big > problem in other countries. Tried to find information on train brakes in > Sweden, compressed air is used to release break, think a spring is used to > apply brake but failed to find information. I however know there is some kind > of system to realese brakes so they could roll on there own then split and > building new trains, it is common a small hill is used for this to get wagons > slowly rolling, there is a switch so they could not get out onto ordinary > track in this case, maybe some other limitation. > > > > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
