Been there, done that leaving a mine in Sesser, Illinois with 103 cars of metallurgical grade coal. Regards, Bob S.
On Tue, May 26, 2009 at 9:18 AM, Graydon <[email protected]> wrote: > On Tue, May 26, 2009 at 03:21:21PM +1000, Anthony Farr scripsit: >> > Try about 100,000-150,000 tons of coal per train. 100-150 cars at 100 >> > tons each, not 100,000 tons each. >> > >> > -- >> > M. Adam Maas >> >> 100,000 ton trains are anything but common. I searched about and >> found this at a number of sources: >> http://www.youtube.com/watch?v=bU_3KfdG3fk >> >> Weight: 99,732 tonnes (109,935.711 US short tons, 98,156.885 UK long tons) >> Length: 7.35 km (4.57 miles) > > The fundamental limits on train size are engine traction and drawbar > strength. > > Remember that when starting the train, at some point the engine to first > car drawbar has the entire mass of the train on it; this turns out to be > more of an issue than engine traction. Past a certain size, you get an > awful ping noise as a drawbar breaks, and then you have *two* trains. > > -- Graydon > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. > -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.

