Talk:Railway brake

LNWR runaway query
An earlier brake failure and runnaway accident occurred on the LNWR line to Holyhead?. Can anyone remember which?

Syd1435 01:37, 2004 Nov 23 (UTC)

Vacuum pressure
Clarified the reason for the low pressure on vacuum systems (max pressure is atmospheric)

Syonyk, 2006 Jun 20

Armagh
I am a little unhappy about the reference to Armagh. In that accident, a portion of a train was left without a locomotive and without the handbrakes (parking brakes) being applied. The vehicles had an automatic brake system which leaked off. Surely a better illustration would be where a train was running with a simple brake system, and the train divided and the entire train was left without brakes? Afterbrunel 11:14, 24 June 2007 (UTC)


 * Correction: non-automatic.   Tabletop (talk) 11:38, 31 October 2011 (UTC)

Electropneumatic brakes
I don't think it's cost that prevents the use of EP brakes on goods trains. Rather that the increments between the 7 stages of braking would be too large for a heavy train and might cause wheel-locking. Biscuittin (talk) 10:05, 11 March 2008 (UTC)


 * 7 stages of braking is much, much smoother than just 1 stage, and would be ideal for long, heavy freight trains except for cost.   7 stages would reduce any chance of wheel-locking   Tabletop (talk) 11:36, 31 October 2011 (UTC)

Call Casey Jones?
Something on the history/development of railway brakes would be of interest... TREKphiler  hit me ♠  18:37, 4 August 2008 (UTC)

Countries still using Vacuum Brakes
Most countries now use air brakes, exceptions being:


 * minor narrow gauge lines may use vacuum brakes.


 * India (narrow gauge)


 * Bangladesh - starting to convert to air brakes which allows higher speeds.


 * Ghana


 * South Africa (about 50%)


 * Senegal and Mali


 * Togo

Tabletop (talk) 03:54, 9 April 2009 (UTC)
 * Narrow gauge branch railways would keep their original brakes.

Countries using air brakes include:


 * Sudan

Increased speed with air brakes
In 2004, Bangladesh converted some vacuum brakes to air brakes, amongst other reasons, to raise the maximum speed of the trains. Tabletop (talk) 04:33, 9 April 2009 (UTC)

Braking Time and Distance
Please include this information for each of the different kinds of brakes. —Preceding unsigned comment added by 74.236.139.62 (talk) 18:12, 17 September 2010 (UTC)
 * It would be nice to, but without a source for the necessary information, we're very much in the dark. The results of the Newark Brake Trials of June 1875 could be a useful start. Brake tests were carried out as part of the inquiries following the Round Oak rail accident (1858) and the Armagh rail disaster (1889), but these each concerned just one type of brake. -- Red rose64 (talk) 12:38, 18 September 2010 (UTC)

Railway Brakes - Critique
The Wikipedia article discussing the technology and history behind railway brakes seems to be fairly well written, but the writing does not necessarily flow well together, as it jumps from discussing what railroad breaks are to suddenly discussing accidents without notice nor a plausible jump. So certain portions could be better organized, but it is fairly well written when examined by its components only. It gives good discussion of the types of breaks, the history behind each, and the reasons why the brakes evolved to accommodate newer problems or vehicles. Some information seems to lack references, and even some information seems to be speculation; many of the sources are from websites rather than books, and a few of the websites do not appear to be too helpful. The available illustrations are both accurate and helpful; it would be nice, however, to have an illustration depicting the motions of a brake, or how a brake functions, rather than simply just their appearance or the trains that ride atop of them. The subject matter is appropriately covered, although certain portions could use more references, or even more information. It does not appear to have been vandalized in the past, but there are mentions of mistakes. Some improvements for this page could be to organize the information better and to find somewhat more reliable sources. — Preceding unsigned comment added by HIST406-11DianeBickel (talk • contribs) 22:17, 4 October 2011‎

Eddy Current Brakes
Eddy Brakes are not necessarily compatible with axle counters. Tabletop (talk) 11:32, 31 October 2011 (UTC)

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External links modified
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