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RE: [CBQ] Re: GP (and SD) Headlight Operation Question

To: <cbq@yahoogroups.com>
Subject: RE: [CBQ] Re: GP (and SD) Headlight Operation Question
From: Rick Keil <rkeil6721@hotmail.com>
Date: Mon, 3 May 2010 17:18:26 -0500
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Thanks for the responses.  I thought the subject came up fairly recently so I 
apologize for the repeat question.

 

Ricky Keil

Bellevue, NE
 
> To: CBQ@yahoogroups.com
> From: clipperw@gmail.com
> Date: Mon, 3 May 2010 08:45:32 -0500
> Subject: [CBQ] Re: GP (and SD) Headlight Operation Question
> 
> Rick,
> 
> There was a previous thread on this topic several months ago. You may 
> want to reference that. The lower two lights, which were in the 
> standard EMD housing, were the normal headlight that were 
> repositioned to make room for the higher mounted Mars. The Mars 
> lights on the GP units were similar if not identical to those used on 
> Q steam locomotives. The white light in the Mars housing usually 
> gyrated, (in a figure 8 pattern IIRC) but could be placed in a fixed 
> position anywhere in it's rotating cycle. Neither light was designed 
> to flash. The red light was wired so that it only came on in an 
> emergency brake application. It was not a running light. If a GP unit 
> was making a reverse movement, there were red lenses in the class 
> light assemblies to provide rear marker lamps. Generally, at night, 
> both the fixed road headlight and the white Mars light were on. In 
> the daytime, depending on the time period, there was no light or just 
> the fixed headlight.
> 
> Bill Barber
> Gravois Mills, MO
> 
> On May 3, 2010, at 3:59 AM, CBQ@yahoogroups.com wrote:
> 
> > GP (and SD) Headlight Operation Question
> > Posted by: "Rick Keil" rkeil6721@hotmail.com redgrey62
> > Sun May 2, 2010 4:43 pm (PDT)
> >
> >
> >
> >
> > I'm finally gathering the parts needed to detail a couple of Atlas 
> > GP7s. As I get the proper lights, I pondered a question on their 
> > operation. I believe the lower two lights are the actual headlights 
> > and the upper two are a Mars light and the emergency (?) lights. I 
> > usually associate a Mars light with the gyrating light on the E and 
> > F units. When was the Mars light on the GPs or SDs used and how did 
> > it appear, steady, flashing, gyrating?
> >
> > Thanks
> >
> > Ricky Keil
> >
> > Bellevue, NE
> 
> 
> 
> [Non-text portions of this message have been removed]
> 
> 
> 
> ------------------------------------
> 
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> 
> 
                                          
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