Pillars of Smoke Question (NW Mailing List)
NW Mailing List
nw-mailing-list at nwhs.org
Sun Oct 17 19:24:24 EDT 2010
Remember, locos have an independent brake, too.
pete groom
On Oct 17, 2010, at 1:31 PM, NW Mailing List wrote:
>
>
>
> "I have seen a jet of steam in front of the stack. Is this steam coming
> from a feedwater heater?"
>
> Yes, it is an air vent from the feedwater heater.
>
> "When the pusher couples to the rear end of the train, does it also connect
> to the air line, or does it only couple on?"
>
> Yes, normally that is what was done in order that if the train for any
> reason had an emergency brake application, the pushers brakes would apply
> too.
> The caboose had a rod connected to the angle cock so it it could be
> closed. A chain was connected to the cut lever. When cutting off on the fly,
> close the angle cock and pull the pin.
>
> Jimmy Lisle
>
> That makes sense for the train. What about the pusher? You leave its angle
> cock open and it goes into emergency on uncoupling. I always figured air
> wasn't couple to the pusher. After all engineer would have to shut off
> throttle anyway and he'll know if the train air is dumped.
>
> John Marbury
>
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