"Minimum radius" of an M class

NW Mailing List nw-mailing-list at nwhs.org
Mon Jul 27 17:27:22 EDT 2009

N&W Data Book No. I, Office of Gen'l. Supt. Motive Power, Roanoke,
Virginia, D-40000 and D40001, Rev. 5-19-53, Page I-19, "Maxium Curve for
Operating at Low Speeds in Road Service," K1, K2, K2a, J: 17-degrees. All
Others: 20-degrees.

Gordon Hamilton

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Sent: Monday, July 27, 2009 12:06 PM
Subject: "Minimum radius" of an M class

> Does anyone know offhand the minimum degree of curvature a 4-8-0 was

> designed to negotiate?

> Thanks

> Joe Giannovario

> O Scale Trains Magazine

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