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@Scott R posted:

Pat,

"I’d like to hear input on are things like the class lights"

The best source on the forum is here: PRR marker and classifaction light practices 1922-1957 - info you can use to harmonize locomotive details with your chosen era | O Gauge Railroading On Line Forum (ogaugerr.com)

Looking forward to seeing progress on this project!

Thank you Scott, and everyone else that have provided links, with info!…..it’s all valuable information, ……BUT, I want to know what YOU guys & gals want to see,….if it’s supposed to have green class lights, etc, and popular consensus says so, then that’s what we’ll do!…..maybe I should’ve made this idea a little more clear on the opening post,…….I’m pretty sure I can do some research, and come up with a fairly accurate enough model based on what I read & see in the history books, …….but the enjoyment in the thread, the dialogue, and then seeing that dialogue applied in practice, will be a whole lot more fun, ….IMO, ……an example is like what Ryan suggested, then John said is doable,……so that’s what we’re gonna do!…So far nobody’s rebutted what Ryan said about how it’s supposed to smoke, so it’s looking like popular consensus ……so far …..😁

Pat

Pat,

Well since you asked, the lights on the S2 smokebox are not class lights at all!  They are actually marker lights that would only be illuminated during reverse movements when the front of the locomotive is actually the rear of the train. 

The S2 had unusual, cubed-shaped smoke box markers unlike any on other Pennsy steam as described in the link I posted.  So, if it were up to me, the smoke box markers on your S2 would have red lenses facing forward and amber lenses facing outward.  Extra credit if they are off when the locomotive is moving forward and automatically illuminate when in reverse! 

@Scott R posted:

Pat,

Well since you asked, the lights on the S2 smokebox are not class lights at all!  They are actually marker lights that would only be illuminated during reverse movements when the front of the locomotive is actually the rear of the train.

The S2 had unusual, cubed-shaped smoke box markers unlike any on other Pennsy steam as described in the link I posted.  So, if it were up to me, the smoke box markers on your S2 would have red lenses facing forward and amber lenses facing outward.  Extra credit if they are off when the locomotive is moving forward and automatically illuminate when in reverse!

^^^^^^^^^^ now we’re talking!!^^^^^^^^^ and yes, we can certainly tie something like that into the reverse light circuit for proper operation,……that’s certainly odd from NYC practice, but if it’s so, that’s how we’re gonna do it,…😁….just as if you guys were having an engine spec built as y’all would like to see it!….that’s good stuff Scott!!

Pat

@D500 posted:

Just as an aside, the PRR S2 direct-drive steam turbine was a near-success. It actually worked and did the job, though not without certain issues, and all new technologies or new applications of technologies have issues.

Yes, the reading I’ve done on it indicated that much of the trouble was just a lack of straight and trouble free track work to run at the speeds it needed to be efficient.


Even a NYC guy like me can't resist the PRR's trio of wild and crazy locos: the S1, S2 and T1. I have a model of each.

Don’t forget the Qs too!

Ryan, maybe on the elephant ears,….they don’t look difficult to make, so let’s see if we get a few more yays ……one thing I see clearly in the pic you linked, are the cube type marker lights ( I was properly corrected by Scott on that terminology ) and I know I can scratch build them accurately,……so they are a must

how’s everyone with the stock colors as-is?…..and the finish?….the finish isn’t glossy like an old Williams, but it’s not dead flat like model paints, ……it’s more of a satin finish,….paint looks fairly crisp, and I’m not seeing any ugly eye sores,…

Pat

@harmonyards posted:

I like the idea too, ….I’ll look into it’s feasibility,….

Pat

Yeah, one of the pictures said that the ears were added later.

mini ears?

Also, one other thing is the colors changing a bit, that is the smoke box. In a few of the pictures the tone is lighter, others darker. Did they change the colors on the smoke box over time?

Smoke box color

Smoke box color 2

Smoke box color 3

Smoke box silver?

Well, what does all this do for the color?

On the PRR, the graphite treatment of smokeboxes and firebox sides were generally consistent within a shop facility, but varied between shop facilities.  For example, Columbus might use a lighter graphite mix than Altoona.

Regarding the above linked photos:

"Smoke box silver?" is Baldwin's builder's photo.  For these photos, driver tires were usually painted white (and usually only on the side facing the camera) and smokeboxes had a gray treatment.  These photos were often retouched as well.

"Smoke box color 2" shows the S2 posed on Horseshoe Curve.  I've read that this was only done during its first trip west after being built.  Thus the smokebox in this photo had the graphite applied by Baldwin.  The S2 never ran east of Pittsburgh, and almost exclusively served the Crestline, OH to Chicago segment of the railroad, as did the S1.  The nickname for this mostly flat and straight segment was "the race track."

The lighting in "Smoke box color 3" is so bad that no conclusion should be drawn from the photo.

This leaves the "Smoke box color" photo, taken in 1950 (thus after PRR shopping) and also taken in direct sunlight.  Dark graphite wins the day!

Last edited by Bob

I purchased this engine when first released and sold it many years ago and upgraded to a Lionel TMCC version.  The sprung drive wheels are my biggest complaint with the model.   When going around curves the two middle drivers drop off the rail and fall inside, looking odd.  Norm C. recently did an upgrade on an atsf 2-10-4 from 3rd rail where he mentioned replacing the springs for the first and last drivers with inserts instead to stop this.   I assume a similar approach could be used here on this.  

I always thought the key stone  on the smoke box looked small on this model.

The final fix for that driver drop issue was to also harden the stance of the rear drivers. At first I tried just plugging the center blind drivers. The springs were so soft in that engine. If I was running tubular track it would not have been a problem because those blind drivers would ride themselves right back out over the radius of the railhead. I left the front springs intact.

Last edited by Norm Charbonneau

I like the idea of interchangeable smoke deflectors ie: elephant ears but think the build should stay as close as possible to what she was when either scraped or as built. Not the in between looks she had over her short life. I read somewhere she finished out her life in NE PA somewhere. Sad that her like the S1 were never preserved.

Another vote here for the detachable elephant ears.

According to Wikipedia‚ although the source isn't noted, the larger elephant ears were put on in December 1946 and they stayed on until its scrapping, so the S2 had them most of its life. The small, semi-circular deflectors were ineffective and short-lived, according to the Wikepedia article.

Edit to add: That same article says the elephant ears were necessary, because it blew "heavy smoke" at lower speeds, so have the smoke start heavy and thin out at higher speeds would seem to be appropriate.

Last edited by Matt_GNo27

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