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Re: [CBQ] Re: 5621 pilot applications. [1 Attachment]

To: CBQ@yahoogroups.com
Subject: Re: [CBQ] Re: 5621 pilot applications. [1 Attachment]
From: "LZadnichek@aol.com [CBQ]" <CBQ@yahoogroups.com>
Date: Tue, 19 Jan 2016 14:21:34 -0500
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[Attachment(s) from LZadnichek@aol.com included below]

January 19, 2016
 
Hol and Group - Any while we're on this thread about 5621's odd-ball pilot, I've attached the image for better clarity that started the whole discussion. Can any one identify where the image was taken. From the polished rods that was standard practice on Lines West steam locomotives, could be location be Denver, Lincoln or even Omaha? Comments appreciated. Best Regards - Louis
 
Louis Zadnichek II
Fairhope, AL 
 
In a message dated 1/19/2016 1:08:05 P.M. Central Standard Time, CBQ@yahoogroups.com writes:


January 19, 2016
 
Hol - Haven't heard your comments on this O-5-A "oddity." Any educated guesses as to "why" 5621 got a boiler tube pilot and flat pilot deck shield in the beginning, then later (as almost certainly shown in the West Burlington Shops repair photograph) the solid "wrap-around" cast pilot and contoured deck shield as found on the third group of 4-8-4s? Bill Barber and I would appreciate your thoughts on this matter as well as from any other Group members. Best Regards - Louis
 
Louis Zadnichek II
Fairhope, AL 
 
In a message dated 1/13/2016 10:33:19 P.M. Central Standard Time, CBQ@yahoogroups.com writes:


While I can't answer any or your questions directly, there are a couple of other points worth noting.  I have seen several photographs from 1941 onward that show this locomotive with only the main driver being a disc driver with all the others being spoked.  Seems a little unusual to me.  Why would they change out disc drivers and go back to spoked?  The 1939 photograph shows that the tender coal capacity has been extended to increase capacity and the wheel sets on the lead truck have been changed out from spoked to solid.  Those two things are fairly common on the O-5s. 

 

Nolen Null

 

From: CBQ@yahoogroups.com [mailto:CBQ@yahoogroups.com]
Sent: Wednesday, January 13, 2016 4:09 PM
To: CBQ@yahoogroups.com
Subject: [CBQ] Re: 5621 pilot applications. [3 Attachments]

 

 

[Attachment(s) from William Barber included below]

We just found a photo of 5621 that leads to some questions. Attached are three photos of this first O-5 of the third group, 5621 - 5635. The first photo shows the locomotive either as it was completed at West Burlington Shop or shortly thereafter with a bar stock or boiler tube pilot and a pilot deck mounted feed water pump shield similar to those on the second group of O-5s, 5608 - 5620  This is the only photo that I have ever seen of one of the third group O-5s with this arrangement. The second photo, which appeared in Bernard Corbin’s SL of the BR and possibly other publications, shows the locomotive in West B. shop without a pilot or the deck shield, apparently after having been in service: note the full load of coal in the tender. The third photo shows the same locomotive a year later in 1939 with the normal solid Commonwealth pilot and the later more streamlined pilot deck shield. I have found no other photos of a third group O-5 with a boiler tube or bar stock pilot. 

 

The questions that come to mind are:

 

1. Was the bar stock or boiler tube pilot the original plan for this group of locomotives?

 

2. Was it possibly due to a shortage of the solid pilot?

 

3. Was it a change in design by Q management possibly influenced by the use of solid pilots on other contemporary locomotives such as the Milwaukee Road? 

 

Does anybody have any information on why 5621 was so equipped initially and then changed apparently shortly afterwards? 

 

 

 

   



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