[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: defect detectors?



Mark Bau wrote:

> Another detector is a high/wide or loading gauge protector, these are often
> used on tracks with a lot of intermodal traffic. They consist of a wire
> strung over the track, if anything on the train is out of gauge the wire is
> broken and a relay drops.

More common now are light beams.   There is one used at Midland [WA] to stop
double stacked trains going under the wires.

--
David Johnson
trainman@ozemail.com.au
http://www.ozemail.com.au/~trainman/
------------------------------------
These comments are made in a private
capacity and do not represent the
official view of State Rail.
C.O.W.S. Page 11.