Inside valve gear
I made the original 57587 in 2002 from a very poor Skinley drawing, rebuilding the body around 2011 and 2012 and giving the loco a new, twin-beam compensated chassis with the correct wheelbase (see “Rolling Stock Gallery”). In between waiting for the many thin coats of paint to dry on 54458, I took the opportunity to add more detail to 57587 and to provide a representation of the valve gear, which is very noticeable between the boiler and the upper frames.
Fortunately, back in the 1990s, I photographed between the frames of the preserved 57566 on the Strathspey Railway. The key visual elements are the weigh shaft, rocking arms and balance weight, and the reversing arm and operating lever. Unfortunately, these are very close to where the twin beam compensation components are situated.
Squeezing in the valve gear
The weigh shaft and rocking arms sub-assembly is a spring fit…
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