Steam & Excursion > 12-09-18 Xmas Train = Forward & Backwards

Sunday we had better light and by the 2nd train sunshine.

To The Video: 

Roger Hogan
Chama, NM
Train Stuff

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Very fantastic video from your drone.   Merry Christmas to you and your family Roger. Keep up the good work.

Chris

Very nice!  Do the crews deliberately lift the safety valve whenever they see you with camera?

Got a chuggle out of the safety value statement. That would be neat if you could for a pic. But it's all done automatically on pressure. And to get there, need to shovel coal pretty well for several minutes before to get too much steam. 

Thanks for sharing! 

Mike ONeill
Parker, CO

Mudrock Wrote:
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> Very fantastic video from your drone.   Merry
> Christmas to you and your family Roger. Keep up
> the good work.
>
> Chris

Thank you.

Roger Hogan
Chama, NM
Train Stuff

HotWater Wrote:
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> Very nice!  Do the crews deliberately lift the
> safety valve whenever they see you with camera?

Lots of times yes they do.

Roger Hogan
Chama, NM
Train Stuff

mcdeo Wrote:
-------------------------------------------------------
> Got a chuggle out of the safety value statement.
> That would be neat if you could for a pic. But
> it's all done automatically on pressure. And to
> get there, need to shovel coal pretty well for
> several minutes before to get too much steam. 
>
> Thanks for sharing! 

I have the crews tell me to be ready for it. How they do that I have no idea.

Roger Hogan
Chama, NM
Train Stuff

Wacky-roger1942 Wrote:
-------------------------------------------------------
> mcdeo Wrote:
> --------------------------------------------------
> -----
> > Got a chuggle out of the safety value
> statement.
> > That would be neat if you could for a pic. But
> > it's all done automatically on pressure. And to
> > get there, need to shovel coal pretty well for
> > several minutes before to get too much steam. 
> >
> > Thanks for sharing! 
>
> I have the crews tell me to be ready for it. How
> they do that I have no idea.

Since the noise from the lifted safety valve surely distorts the beautiful stack music, I wonder why the crews tend to do that.

HotWater Wrote:
-------------------------------------------------------
> Wacky-roger1942 Wrote:
> --------------------------------------------------
> -----
> > mcdeo Wrote:
> >
> --------------------------------------------------
>
> > -----
> > > Got a chuggle out of the safety value
> > statement.
> > > That would be neat if you could for a pic.
> But
> > > it's all done automatically on pressure. And
> to
> > > get there, need to shovel coal pretty well
> for
> > > several minutes before to get too much
> steam. 
> > >
> > > Thanks for sharing! 
> >
> > I have the crews tell me to be ready for it.
> How
> > they do that I have no idea.
>
> Since the noise from the lifted safety valve
> surely distorts the beautiful stack music, I
> wonder why the crews tend to do that.

Personally I like all the sounds a steam engine makes.

Roger Hogan
Chama, NM
Train Stuff

Wacky-roger1942 Wrote:
-------------------------------------------------------
> HotWater Wrote:
> --------------------------------------------------
> -----
> > Wacky-roger1942 Wrote:
> >
> --------------------------------------------------
>
> > -----
> > > mcdeo Wrote:
> > >
> >
> --------------------------------------------------
>
> >
> > > -----
> > > > Got a chuggle out of the safety value
> > > statement.
> > > > That would be neat if you could for a pic.
> > But
> > > > it's all done automatically on pressure.
> And
> > to
> > > > get there, need to shovel coal pretty well
> > for
> > > > several minutes before to get too much
> > steam. 
> > > >
> > > > Thanks for sharing! 
> > >
> > > I have the crews tell me to be ready for it.
> > How
> > > they do that I have no idea.
> >
> > Since the noise from the lifted safety valve
> > surely distorts the beautiful stack music, I
> > wonder why the crews tend to do that.
>
> Personally I like all the sounds a steam engine
> makes.

Well since you never have worked on real steam locomotives, the lifting of the safety valve/valves is NOT a good thing, and the noise is generally pretty annoying to the cab crew. At least in my experience.

HotWater Wrote:
-------------------------------------------------------
> Wacky-roger1942 Wrote:
> --------------------------------------------------
> -----
> > HotWater Wrote:
> >
> --------------------------------------------------
>
> > -----
> > > Wacky-roger1942 Wrote:
> > >
> >
> --------------------------------------------------
>
> >
> > > -----
> > > > mcdeo Wrote:
> > > >
> > >
> >
> --------------------------------------------------
>
> >
> > >
> > > > -----
> > > > > Got a chuggle out of the safety value
> > > > statement.
> > > > > That would be neat if you could for a
> pic.
> > > But
> > > > > it's all done automatically on pressure.
> > And
> > > to
> > > > > get there, need to shovel coal pretty
> well
> > > for
> > > > > several minutes before to get too much
> > > steam. 
> > > > >
> > > > > Thanks for sharing! 
> > > >
> > > > I have the crews tell me to be ready for
> it.
> > > How
> > > > they do that I have no idea.
> > >
> > > Since the noise from the lifted safety valve
> > > surely distorts the beautiful stack music, I
> > > wonder why the crews tend to do that.
> >
> > Personally I like all the sounds a steam engine
> > makes.
>
> Well since you never have worked on real steam
> locomotives, the lifting of the safety
> valve/valves is NOT a good thing, and the noise is
> generally pretty annoying to the cab crew. At
> least in my experience.

I am sure you are correct. I like it for both my photos and videos but I am using cameras and not running the train.

Roger Hogan
Chama, NM
Train Stuff

mcdeo Wrote:
-------------------------------------------------------
> Got a chuggle out of the safety value statement.
> That would be neat if you could for a pic. But
> it's all done automatically on pressure. And to
> get there, need to shovel coal pretty well for
> several minutes before to get too much steam. 

The difference between a "relief valve" and a "safety valve" is that the relief valve opens and seats at the same pressure.  A safety valve lifts at a set pressure, but doesn't reseat until the pressure has been reduced to a lower value.  So to “lift safeties” on command, steam with the boiler pressure near the opening limit for the safety.  When Roger is sighted, close the throttle momentarily to cause the boiler pressure to rise (same firing rate but reduced steam demand) and the safety will open.  The engineer can open the throttle again but the safety will continue to blow steam until the boiler pressure is reduced to the reseating value giving Roger a show.



Edited 1 time(s). Last edit at 12/10/18 18:57 by SR-RL_Nr_10.

That's a great video Roger. So from me to you and your famly I wish you a Merry Christmas and a Very Happy New Year in 2019.

Bob Krieger
Cheyenne, WY

SR-RL_Nr_10 Wrote:
-------------------------------------------------------
> mcdeo Wrote:
> --------------------------------------------------
> -----
> > Got a chuggle out of the safety value
> statement.
> > That would be neat if you could for a pic. But
> > it's all done automatically on pressure. And to
> > get there, need to shovel coal pretty well for
> > several minutes before to get too much steam. 
>
> The difference between a "relief valve" and a
> "safety valve" is that the relief valve opens and
> seats at the same pressure.  A safety valve lifts
> at a set pressure, but doesn't reseat until the
> pressure has been reduced to a lower value.  So
> to “lift safeties” on command, steam with the
> boiler pressure near the opening limit for the
> safety.  When Roger is sighted, close the
> throttle momentarily to cause the boiler pressure
> to rise (same firing rate but reduced steam
> demand) and the safety will open.  The engineer
> can open the throttle again but the safety will
> continue to blow steam until the boiler pressure
> is reduced to the reseating value giving Roger a
> show.

Thanks for the information.

Roger Hogan
Chama, NM
Train Stuff

Bob3985 Wrote:
-------------------------------------------------------
> That's a great video Roger. So from me to you and
> your famly I wish you a Merry Christmas and a Very
> Happy New Year in 2019.

Same wishes Bob for you and yours.

Roger Hogan
Chama, NM
Train Stuff