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D coupler pivot pins :)
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Earl Tuson
From: byronrose@...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 __________________________________________________ Do You Yahoo!? Yahoo! Shopping - Thousands of Stores. Millions of Products. http://shopping.yahoo.com/
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Richard Hendrickson
As everyone knows except Bob Hundman, the drawings were only proposals andFrom: byronrose@...Come on, Byron, you ought to know that D couplers used a 13 3/8" long, 1 5/8" don't necessarily represent the cars as built. In fact, the striking castings on most of the USRA cars were concave. They weren't that way to start with, but that's how they looked after several hundred abrupt stops. Seriously, I just looked at a number of builder's photos of several different USRA car types and the face of the striker casting was flat in all of them. Richard H. Hendrickson Ashland, Oregon 97520
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