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Tuesday, 16 August 2022

Mainline Class 4MT 4-6-0 Pipe Repair

See that black 'pipe'. Well, I forget how many times I have knocked it off and glued it back on. It came off yet again and is now lost. Looking at photos of other models it seems to be a common occurrence. Check it is there if you buy one.

I decided to fabricate a replacement and started by searching out a photo of the prototype.

Now that is a surprise. The Mainline model representation is quite different, being partly flat, too far forward and angles omitted!

Using the prototype as a guide I used two gauges of copper wire (0.8mm and 0.5mm) to make the replacement. 

Whilst it is black on the prototype I decided to leave it copper coloured so I can admire my effort. There is a lot of other pipework and a speedo cable on the prototype. Can't see a simple and effective way to fit a speedo cable so I will leave those details off.

The fixing of the pipe was easy. A 0.7mm diameter hole was drilled in the cabin bulkhead to accept the fixing spigot (shown arrowed below) and the upper part of the pipe superglued beneath the running plate.

With hindsight I feel it should be a little more inboard. There is room.

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