I decided to make a flywheel well, so I machined some aluminium flat bar to size.

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Skimmed the inside faces with a flycutter.

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Drilled and tapped and bolted it together.

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Skimmed the top to make it flat.

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I fixed the flywheel well to the base using 60mm 3mm bolts.

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For painting the flywheel well, I wanted to give it a local touch by simulating limestone slabs. It was a laborious process but I think that the experiment worked out.

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Flywheel well assembled.

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I acquired some ready-made brass stanchions and came across a cheap source of brass railing material in the form of 1.5mm brass brazing rods in 1 metre lengths. So first I made a jig as I need two bends in the railings. It is made from aluminium bar and two 6mm hardened dowels.

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Next I experimented with how feasible it is to bend the rod around the dowel pin. I tried it with the rod annealed but was not happy with the outcome. I got better results with the untreated rod.

Did the first bend and the photo below shows preparation before the second bend.

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And here it is finished.

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I did not use soft solder to fix the railings to the stanchions. I was afraid that the solder would flow everywhere, except where I wanted it, and making a mess.  Instead, I used superglue. Using a toothpick and a loupe I could put a small amount of glue exactly where I wanted it.

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I found a kind Samaritan to make the wooden base for me. Fitted supports for the engine base.

Drawings here

Part 23 here  Part 25 here