From: byronrose@juno.com

What size were the pivot pins on 1920s era coupler knuckles?

Come on, Byron, you ought to know that D couplers used a 13 3/8" long, 1 5/8"
diameter pin, drilled for a 3/8" X 2 1/2" cotter. Geez, I thought everybody
knew THAT one.

Now, can anyone help me with the correct contour of a USRA striker casting?
The 1919 CBC plans I'm looking at show, looking from the top, a flat striking
surface in some plans and a convex surface in others.

Earl Tuson

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