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Hi Carl!

 

I'll bet as time goes by, those PA pics will become diluted with the incoming onslaught of FA pics. 

 

You said:

 

"Honestly, an Alco is an Alco to me." 

 

Ah!  This may be a "teachable moment" where I get to dispense from my vast mental storehouse of knowledge.

 

The major difference between the FA and PA models is very easy to learn: The FA's have FOUR axles, and the PA's have SIX axles. (This means the length of a PA is longer, too.)

 

I started an FA thread because, well frankly, I don't have very many PA pics... and I like the FA's mo' better! 

 

Perhaps we'll start a "Alco PA Pics" thread, too? (Me? Someone else?)

 

 EDIT: Might as well throw in another FA pic while I'm at it!  This time from Cherokee, KS, circa 1962...

 

 

5217_ca1962

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Last edited by laming
Originally Posted by Pingman:

It has been a teachable moment, Laming--thanks.

 

Would another difference be the number boards?  The FA pics show them at ~45degree angle; the PA photos show them along the side.  Is this a reliable distinction?

 

Not really. Early FA/PA's both had the small number boards along the side. As I recall, in the late 1940s FA/PA production runs, ALco started using the larger 45 degree number boards. Some railroads retrofitted their small side number boards with the larger 45 degree ones, too.

Originally Posted by richabr:

I think the PA-1 and 2 version had the side mounted number boards. The later PA-3 had the 45 degree number boards. Another tip off, other than a few roads, Southern for one, were the curved drip rails above the front side window.

 

Rich

I tactfully covered my bases by not referring to specific model series or "phases", only the basic model designation: FA/PA.  Thus, what I shared above is accurate.  I are smart.

 

EDIT:


If'n I'm gonna' flap my jaws in this here thread, then reckon' I need to ante up an' keep on postin' them FA's!!  Oakie doakie... here's another FA pic!

 

 

 

 

 

 

mp0366kga

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Last edited by laming

Here's a shot of Glenn Ford in the movie "Human Desire":  

 

This is an ALCo FA.  Note the four-wheel trucks, the lack of portholes, and the straight line of the screening behind the cab.

 

Now here's an ALCo PA:

 

See the difference in the trucks?  The portholes, and the swoop in the screen line behind the cab?  But just to make things more confusing, some PA's are seen without the "swoop":

 

Jon  

FPA-4s  Grand Canyon trip spring 2006. South rim depot.

Wikipedia:  The FPA-4/FPB-4 were visually different due to the additional radiator space that was positioned below the shutters. These Canadian variants were intended and used for high-speed passenger service, and remained in use into the 1990s on Via Rail Canada.

 

Wikipedia:  Alco PAs   Click on the underline phrase to access links.

Fabricated Electrical Power Car.  Passenger car Air Conditioning is probably a bit more than the FPAs can handle. It probably also does electric heat, instead of the steam generators.  

 

Xanterra Management purchased the  GC Railroad and the FPAs were the second power to go.  First was steam.  All about most efficient power.  

Last edited by Mike CT

Here's an early GM&O FA1, note that it's a little different:

Alco FA1 GM&O 733

It has the PA-style drip rail behind the cab, and a slightly smaller headlight casting, which were features on the FA1 demo units (which GM&O also bought.)  It also has the optional roof top number board.  The drip rail was eliminated and headlight casing were changed during the GM&O production order.

 

And while were at it, the FA2 Demo set:

Alco FA2 1602A

 

Rusty

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Last edited by Rusty Traque

Rich:

 

Nice pics... wish they were bigger so I could really see them.

 

Soo Nut:

 

Weathering is such an interesting study to me.  I like the way that once engines start to weather, each engine typically does so in a way that makes it unique.  To me, this translates well into modeling to add variety to one's roster.

 

Since we're talking FA's, and since some weathering has been mentioned... here's an FA that offers both topics!

 

 

slsf5205

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Great thread, thanks for starting it, Andre.  Does anyone have any pictures of the rooftop details of the FA2, especially those with steam generators for passenger service?  GN FA2 road numbers 277A-B were dual service units with boilers, occasionally used out of Seattle for Portland, Vancouver BC and Spokane trains. I would love to model them!

 

Last edited by The GN Man
Originally Posted by Diesel Dan:

And numerous roads, the Katy and Rock Island and Frisco among them, re-engine some of their FA's with EMD engines. Most have a humped roof over the car body to accommodate the EMD engine and the twin exhaust stacks.   

Dan  

MKT 86C

Actually, the hump was because the rebuild adapted an EMD cooling system.  Rebuilds that used the Alco cooling system didn't have the hump.

 

Rusty

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