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RE: PC: ex NYC GP35s - nose doohickey
- Subject: RE: PC: ex NYC GP35s - nose doohickey
- From: "Jim Kosty" <j_kosty@xxxxxxxxxxx>
- Date: Wed, 28 Dec 2005 15:53:32 +0000
That is an Automatic Train Stop generator unit. I am not sure what it does
as a part of the system, but I know when they had the ATS system in
operation, it required an engineer to acknowledge any signal displaying a
restrictive indication by depressing a button or lever (called a
forestalling lever) in the cab. If a signal indication other than a clear
was not acknowledged within a prescribed time (I believe an audible alarm
would sound for a certain number of seconds), then a penalty brake
application would stop the train. The engineer would have to get off the
locomotive and reset the system on a box that was usually located above the
truck on the underframe sill below the cab. The system required the pickup
shoes you see on the lead trucks of NYC and other railroad's diesels that
used ATS, as well as the inductor unit mounted on the ties outside the rails
just outside an interlocking or prior to a signal. The generator unit on
the side of the nose of these locos was another necessary part of the
system, however I cannot explain what role it played in the system.
Jim Kosty
Corning NY
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