What is this apparatus? Solved... | O Gauge Railroading On Line Forum

CentralFan1976OGR Forum Member

Can anyone tell me what the red-circled apparatus is on the side of the nose of the GP20?

I believe it's factory installed as the grab iron is forward of the installation.

6107 w-circle

Thanks,
Mario

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8/24/151:06 PM

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Hot WaterOGR Forum Member

Note the inductive pick-up "shoe" mounted on the right number one journal box. Thus, I would have to assume that the device on the Engineer's side of the low short hood could have something to do with the NYC automatic train stop system.

CentralFan1976OGR Forum Member

Here's a better shot, on a GP40...

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Hot WaterOGR Forum Member

Originally Posted by CentralFan1976:

Here's a better shot, on a GP40...

Much better photo. Yes, that is the motor-generator for the Automatic Train Stop system.

CentralFan1976OGR Forum Member

Bingo!

http://babel.hathitrust.org/cg...37729;view=1up;seq=1

See PDFs attached...

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ATS MEchanism Installation.pdf

motor gen set.pdf

CentralFan1976OGR Forum Member

Originally Posted by Hot Water:

Originally Posted by CentralFan1976:

Here's a better shot, on a GP40...

Much better photo. Yes, that is the motor-generator for the Automatic Train Stop system.

Let me guess...

No one makes one in O scale?

Thanks,

Mario

Hot WaterOGR Forum Member

Originally Posted by CentralFan1976:

Originally Posted by Hot Water:

Originally Posted by CentralFan1976:

Here's a better shot, on a GP40...

Much better photo. Yes, that is the motor-generator for the Automatic Train Stop system.

Let me guess...

No one makes one in O scale?

Thanks,

Mario

Maybe you could modify a steam locomotive Pyle-National Dynamo.

CentralFan1976OGR Forum Member

BTW.. Pictured in the manual is RS-3 #8322 (Class DRSP-6g)... Here's a similar RS-3, with the ATS Motor-Generator.

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CentralFan1976OGR Forum Member

Originally Posted by Hot Water:

Originally Posted by CentralFan1976:

Originally Posted by Hot Water:

Originally Posted by CentralFan1976:

Here's a better shot, on a GP40...

Much better photo. Yes, that is the motor-generator for the Automatic Train Stop system.

Let me guess...

No one makes one in O scale?

Thanks,

Mario

Maybe you could modify a steam locomotive Pyle-National Dynamo.

Oh, could be... Or even an air brake cylinder. Mount should be easy. Some brass wire for an air line.

8/25/1510:56 AM

jaygeeOGR Forum Member

I used a dual voltage turbo-generator in HO scale...and called it good enough !

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