S-motor Pilot trucks

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S-motor Pilot trucks

Postby green_elite_cab » Tue Jun 28, 2016 12:43 pm

Hi,

I'm working on an S-motor (an S2) and I'd like to convert it from a two-wheel pilot truck to a 4 wheel pilot truck. I am trying to determine the diameter of the wheels, and the wheel base. My understanding is that the pilot wheels were 33" on the "2 wheel" pilot, so i'm assuming it must be smaller for the "4-wheel" pilot.

Thanks for your help!

Chris
Elite Juice Jack Modeler.
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Re: S-motor Pilot trucks

Postby Backshophoss » Tue Jun 28, 2016 4:35 pm

With the single "pony axle" was 36 inch,the "pony" truck wheelsets were 33 inch,the 3rd rail shoe beams were mounted on the
pony truck
Check pg 300 in the book "New York Central's Later Power 1910-1968"
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Re: S-motor Pilot trucks

Postby NYC_Dave » Tue Jun 28, 2016 6:42 pm

You can find a couple of drawings of S-motors from NYC Locomotive Diagram Books on George Elwoods Fallen Flags website. http://www.rr-fallenflags.org/nyc/nyc.html
Happy Hunting!
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