Re: [CBQ] GRS Switch Machines

["Steve Moerke via groups.io" <smurky=gmail.com@groups.io>]

Just to clarify, in addition to the motor end toward the frog aren’t the dual control levers always on the field side?

Steve

On Feb 8, 2026, at 17:07, zephyr98072 via groups.io <glenehaug=msn.com@groups.io> wrote:



Rich:

There was an article written in "Railway Signaling" in April 1930 describing the CTC installation between Steward Junction and Flag Center, and the article along with a photo of a typical switch machine installation confirms everything that Brandon indicated, including the orientation of the machine with respect to the turnout.  I think there is a copy of this article on the BRHS website.

I can't remember if your layout extends east of Steward or West of Flag Center, but if so, there are also articles describing the 1942 installation of CTC between Aurora and Steward Junction, and the 1947 installation between Flag Center and Savanna Tower.  Both of these articles also include photos, and reference to GRS Model 5 dual control machines.  From these photos, it appears that CB&Q used the above machine orientation universally.

Glen Haug

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From: CBQ@groups.io <CBQ@groups.io> on behalf of Brandon Otterstrom via groups.io <brandono13=yahoo.com@groups.io>
Sent: Sunday, February 8, 2026 8:30 AM
To: CBQ@groups.io <CBQ@groups.io>
Subject: Re: [CBQ] GRS Switch Machines

 

Rich,

 

The GRS 5H (Dual-control)would be the machine you want to use for your layout.  The "Q" typical placed machines on the side of the normally-closed point.  The motor end of the machine is toward the frog.

 

Brandon Otterstrom

BNSF Rochelle, IL Signal Maintainer

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