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London Transport (uk.transport.london) Discussion of all forms of transport in London. |
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Tripcocks on 165s
"Joe" wrote in message ups.com... I was on a 165 formed of 3 x 2 carriage sets the other day, sat at the front of the back 2 car unit. The driver passed the signal and by the time my coach got to the signal, (as you'd expect) it had a red aspect showing, but why wasn't the train 'tripped?' Do all the tripcocks become inactive apart from the ones in the 1st unit when they're coupled together, or do the train stops raise after a delay (say 30Secs) or so to allow the train to pass over? Only the tripcock on the leading vehicle is "active" on a 165/168. If two units are coupled together the tripcocks on the two cabs that are coupled tend to trip but this does not prevent the train from moving. When the two units are separated again you then find it has been tripped and have to reset it. The "uncouple" button on a 165/168 doubles as a tripcock reset button. Roger http://rpm-railpics.fotopic.net/ http://therailwaystationgallery.fotopic.net/ http://therailticketgallery.fotopic.net/ All opinions expressed are my own and do not necessarily reflect the views or policies of my employer. |