A dead mans grip would had been good. This is one of the few cases there I would trust software as an active signal passing a rather complex chain sequence is needed to get things moving, this have less to do with the software and more with the hardware since it's impossible to check if it might brake and what happen.
> A movie was made based on this one, but of course it had to change a bunch of > stuff when sticking to the real details would have been plenty dramatic. > > https://en.wikipedia.org/wiki/CSX_8888_incident > > On Saturday, February 8, 2020, 6:30:36 AM MST, N > <[email protected]> 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 > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
