Charles - Penrhyn Mainline Hunslet

[dewintondave]

This end-of-workbench clamp makes sawing sheet a pleasure

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[dewintondave]

Starting off the smokebox door hole with a holesaw, the rest had to be bored out

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[dewintondave]

Progress shot! After lots of boring, sawing, and filing. I love all that stuff

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[Old Man Aaron]

When properly engineered, even the simplest of parts are a joy to look at.

[dewintondave]

When properly engineered, even the simplest of parts are a joy to look at.

They do Aaron

Here's the back plate from 4mm hot rolled steel. I wanted it thicker to engage better with the boiler shell. The profiles were scribed from the front plate. The hole will be a lot bigger

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[dewintondave]

That's a big hole for the boiler barrel, turned in the lathe on a faceplate. I'm just sawing off the excess before grinding and filing to profile. I used the bench grinder, very satisfying. Lots of checking with the digital caliper to get the curve even

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[Old Man Aaron]

Very tidy - and a damn sight quicker than chain-drilling and filing!

[dewintondave]

Very tidy - and a damn sight quicker than chain-drilling and filing!

Whatever it takes to get the job done

Checking the fit with the boiler barrel material, I bought that about 10 years ago from Macc Models, for this model

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[dewintondave]

Marking out the smokebox wrapper, needing to saw off a thin strip to true up the edge

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[dewintondave]

Turning down the bending radius for the smokebox wrapper. I used this for forming the Large De Winton boiler shell in 2006!

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[dewintondave]

Here's the first build log. The rolling chassis

[dewintondave]

The steel smokebox shell, and chimney

[dewintondave]

Fitting the smokebox to the frames, and a start on the cylinders