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A Glimpse of Gresley

by Mel Haigh

Part One

Searching through a pile of paperwork, some of which dates back to the Overhaul at Crewe Works in 1966, I came across what I can only describe as a Calculation Sketch Drawing. It is entitled Stresses on Outside Connecting Rod for A4 Class Engine at Speed of 125 m.p.h., it has an L.N.E.R. Title Block, is undated, and has a number 38-62. Which I presume relates to the year 1938 and is the 62nd such drawing produced in that year or series. One can only wonder exactly when was this drawing was produced and come to the conclusion that someone was a little bit concerned (after the event) as to how near they were to a disaster, in view of the collapse of the Middle Big End on the record run. How we came by this Drawing I do not know, I have had to redraw it to make it fit the Magazine pages.

Drawing

First published in Chime 139, Spring 2006
Continue to Part Two
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