611 Rods

[NW Mailing List]

The bearings probably came from Timken, too.

On 5/7/2015 8:53 PM, NW Mailing List wrote:
> The NWHS Archves has N&W drawings (not traced from Timken drawings) of 
> the forging dies used to forge the "eyes" at either end of the rods 
> for roller bearing equipped Class A and Class J locomotives.
>
> Example:
>
> D43068 4/28/49 Stamping Die for Forming Small Eye (20 1/4" Dia. Fin.) 
> Front, Intermediate and Back Rods, Loco Class A (with Roller Bearing 
> Crank Pins),J
>
> Gordon Hamilton
>
> ----- Original Message ----- From: "NW Mailing List" 
> <nw-mailing-list at nwhs.org>
> To: "NW Mailing List" <nw-mailing-list at nwhs.org>
> Sent: Thursday, May 07, 2015 1:23 PM
> Subject: Re: 611 Rods
>
>
>> Don't think so, Ron.  The Alloy came from Timken; the forging and 
>> machining was done in Roanoke.  Maybe Louis Newton has some more 
>> information.
>>
>> Ed King
>>
>> -----Original Message----- From: NW Mailing List
>> Sent: Thursday, May 07, 2015 10:41 AM
>> To: nw-mailing-list at nwhs.org
>> Subject: RE: 611 Rods
>>
>> "These new rods were fabricated from a lightweight alloy by Timken, not
>> Roanoke Shops. The new rods were installed on numbers 600, 605, 610 
>> and 611.
>>
>> So despite the N&W film showing rods being fabricated in Roanoke, the 
>> rods
>> on 611 today were made by Timken"
>>
>>
>> Ron,
>>
>> What documentation exist to verify that Timken manufactured these
>> replacement rods for the Class J's, not Roanoke?  Which rods (main 
>> and side)
>> had to remanufactured? All eight of them?
>>
>> Thanks, John Garner  Newport, VA
>>
>> -----Original Message----- From: NW Mailing List
>> Sent: Sunday, May 03, 2015 11:10 PM
>> To: NW Mailing List
>> Subject: 611 Rods
>>
>> I'd like to clear up some questions regarding the side rods on the 611.
>>
>> Some people have claimed that the rods for the 611 were fabricated in 
>> the
>> shops in Roanoke, referring to an N&W film that shows rods being 
>> forged and
>> machined in Roanoke Shops.
>> Others stated that the rods for 611 were made by Timken, not the N&W's
>> Roanoke Shops.
>>
>> So here's the story:
>> The rods for the Class J were originally fabricated in Roanoke Shops as
>> shown in the company film. Look closely and you will see that the
>> intermediate rod between the number 2 and 3 drivers was actually 2 rods
>> installed side-by-side. This caused the rods to be set out from the 
>> drivers
>> and the need for long crank pins.
>>
>> According to Bud Jeffries' book "Giants of Steam", in 1952 a failure 
>> of the
>> crank pin on the number 4 driver led to a redesign of the rods. The new
>> lightweight rods only required one rod between the drivers, allowing the
>> rods to be located closer to the wheels and shortening the 
>> crank-pins. This
>> reduced the stresses seen by the crank pins and solved the problem.
>>
>> These new rods were fabricated from a lightweight alloy by Timken, not
>> Roanoke Shops. The new rods were installed on numbers 600, 605, 610 
>> and 611.
>>
>> So despite the N&W film showing rods being fabricated in Roanoke, the 
>> rods
>> on 611 today were made by Timken.
>>
>> Ron Davis
>>
>> *******************
>>
>> ________________________________________
>> NW-Mailing-List at nwhs.org
>> To change your subscription go to
>> http://list.nwhs.org/mailman/options/nw-mailing-list
>> Browse the NW-Mailing-List archives at
>> http://list.nwhs.org/pipermail/nw-mailing-list/
>>
>> ---
>> This email has been checked for viruses by Avast antivirus software.
>> http://www.avast.com
>>
>> ________________________________________
>> NW-Mailing-List at nwhs.org
>> To change your subscription go to
>> http://list.nwhs.org/mailman/options/nw-mailing-list
>> Browse the NW-Mailing-List archives at
>> http://list.nwhs.org/pipermail/nw-mailing-list/
>>
>>
>> -----
>> No virus found in this message.
>> Checked by AVG - www.avg.com
>> Version: 2014.0.4800 / Virus Database: 4311/9713 - Release Date: 
>> 05/07/15
>>
>
> ________________________________________
> NW-Mailing-List at nwhs.org
> To change your subscription go to
> http://list.nwhs.org/mailman/options/nw-mailing-list
> Browse the NW-Mailing-List archives at
> http://list.nwhs.org/pipermail/nw-mailing-list/
>