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ECP-What good is it?
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<P mce_keep="true">[quote user="jchnhtfd"] <P mce_keep="true"> </P> <P>The only question I have about it -- and I'm sure the railroads have thought of this! -- is what happens if the system (by which I mean the whole system -- especially including signalling and dispatching) becomes set up with using the vastly improved stopping capabilities of trains with ECP brakes -- and something goes wrong with the electrics. I assume that the normal air brakes would still work (dump the air and the brakes apply, just as they always have) but if the engineer is expecting the better braking from the ECP, and it turns up missing, what happens? Or, if the ECP system senses (maybe through an upgraded FRED) that it has failed -- that the signal isn't getting through -- does it make a warning? Does it apply the brakes like 'old fashioned' air? Or... ? Otherwise, I can see a whole raft of advantages to it![/quote]</P> <P mce_keep="true"> </P> <P class=MsoNormal style="MARGIN: 0in 0in 0pt"><A href="http://www.thefederalregister.com/d.p/2008-10-16-E8-22549"><FONT face="Times New Roman" color=#800080 size=3>http://www.thefederalregister.com/d.p/2008-10-16-E8-22549</FONT></A></P><FONT size=3><FONT face="Times New Roman"> <?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></FONT></FONT> <P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face="Times New Roman"><FONT size=3>About 1/3 the way down this page is the section called, “</FONT><SPAN style="FONT-SIZE: 10pt">III. ECP Brake Operations”</SPAN></FONT></P><FONT size=3><FONT face="Times New Roman"> <o:p></o:p></FONT></FONT> <P><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA">It details several system monitoring functions of the ECP brake system.<SPAN style="mso-spacerun: yes"> </SPAN>Without comprehending the whole thing, I am guessing that it would be completely fail safe in the event of electrical failure or discontinuity of the signal line.<SPAN style="mso-spacerun: yes"> </SPAN>Although, unless it has batteries on each car, it would seem to require a spring loaded feature on each car that can set the air if electrical power fails to hold it off.</SPAN></P>
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