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Originally Posted by TexSpecial:

I don't see anything wrong with the pilots at all.  As far as I know it can run as is on 072.  Great looking AA set and with your photo's it really shows the length of these engines.  Thanks for posting and I think you got a good deal on them. 

 

Steve, Lady and Tex

 

I believe what he meant by "fixed" as in, mounting the pilots so that they are attached to the frame instead of swivel with the truck to make it more realistic looking.

Originally Posted by John Korling:
Originally Posted by SandJam:

I'm not sure.  I see guys on here talking about fixed pilots all the time but I'm not familiar with what that actually means.

 

Fixed pilots = Pilots mounted rigidly to the frame like on the real prototypes so they they remain "fixed" in position, and not swivel with the trucks around curves.

So on these models the pilot is the piece of the body where the front coupler comes through?

Originally Posted by SandJam:
Originally Posted by John Korling:
Originally Posted by SandJam:

I'm not sure.  I see guys on here talking about fixed pilots all the time but I'm not familiar with what that actually means.

 

Fixed pilots = Pilots mounted rigidly to the frame like on the real prototypes so they they remain "fixed" in position, and not swivel with the trucks around curves.

So on these models the pilot is the piece of the body where the front coupler comes through?

 

The pilot is mounted to the truck frames, yes.  Common on 3-rail O gauge models.  This historically has been done to allow the model to navigate sharper curves by maximizing coupler swing without having to have an excessively large coupler opening.  The downside is of course the pilot also swings out with the trucks & couplers, and cuts down on the realism of the model.  It's basically been an operational compromise.

 

2-rail O scale diesels have fixed pilots (like Atlas O and the scale wheels versions of MTH locomotives) so they don't swing in curves, but as a consequence it does limit the minimum curves that it can run without derailing the cars its pulling (and other engines if in a MU/lashup).  HO and N scale diesel locomotives have fixed pilots as well.

 

In the prototype world there were a small handful of locomotives that had swinging pilots; some Turbine locomotives did that come to mind; the Jawn Henry & B&O EM-1 as well as a couple of the Union Pacific GTELs as I recall.

SandJam,

 

First of all, I think you got a heck of price on these babies.  Mine have not yet shown up, but I paid more than you!

 

Secondly, I was really excited to see these in the catalog, and feared they would not be produced as shown in the catalog.  This paint scheme is from the 1960's, the twilight of the Pennsy.  It really isn't a very good looking paint scheme, and I can't recall this scheme ever being produced in any scale.  Though I made my layout such that it can accommodate any Pennsy train from the 20's through 1968 by aging the scenery as it goes from east to west, my favorite era is still the 1960's.  NEVER thought I would see this scheme produced on a model.  I just ordered the PC E-8's, and plan on running a PPR A with a PC A to represent PC circa 1968.

Last edited by PRRMiddleDivision
Originally Posted by John Korling:

In the prototype world there were a small handful of locomotives that had swinging pilots; some Turbine locomotives did that come to mind; the Jawn Henry & B&O EM-1 as well as a couple of the Union Pacific GTELs as I recall.

Not only Jawn Henry, EM-1's & GTEL's....

 

4-8-8-4 4018 20 degree curve

and all the other articulated steam locomotives, save for the bendy boiler Santa Fe Mallet's.

 

Plus, guys like these...

GG! AMT 4939

Balto 0883 01

Rusty

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Images (3)
  • 4-8-8-4 4018 20 degree curve
  • GG! AMT 4939
  • Balto 0883 01
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