Archive for June, 2016

Inside valve gear

Posted on June 15, 2016. Filed under: Project progress |

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.

57587 Valve Gear 1 160615       Squeezing in the valve gear

The weigh shaft and rocking arms sub-assembly is a spring fit between the outer bearing housings to give access to the compensation beams underneath, which have notches filed to give clearance for their movement. The gap between the nearer housing and the loco frame (cut away at this point) is created to accommodate the reversing arm, which, with the operating lever, is attached to the loco body. A consequence of this is that the upper frame between the splashers on this side of the model is attached to the body, and on the other side is part of the main frame.

57587 Valve Gear 2 160615       Looking between the frames

The view under the boiler is now suitably “busy”, and the small gap between the end of the weigh shaft and the reversing arm is hidden.

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May progress

Posted on June 1, 2016. Filed under: Monthly progress |

One week at the beginning of the month detailing 54458’s tender, two weeks adding bits and pieces to the loco, and I was ready for a change. I switched to scenery: specifically an end-of-layout backscene for view’s looking north.

Scenery 31 160531 L750
Culrain Station looking north

With a 2’ 7 ½” by 4’ area of 4mm ply to paint, mainly to sky, I had a custom can of blue paint made up at my local B&Q using as the colour reference a sky backscene I’d painted last year at Missenden. In the corresponding view south the bridge and road act as a scenic view blocker, however no such obvious feature is available looking north. Instead I chose to paint the prototype view of trees and hills visible in the distance under the arch of the footbridge directly onto the ply backscene.

The result is a development of the view in last month’s progress post with a taller sky framing the foreground telegraph pole. A black and white version of this view is now a companion piece to the postcard view in “3. Kyle of Sutherland Layout”.

And right at the end of the month I added the final touches to 54458.

54458 Scratch 7 160531       In the paintshop

After this month’s work, I’m hoping for a train picture or two next month.

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    The epic struggle to build a model railway exhibition layout at 4mm to the foot

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