Recommencing work today on the Britt the regulator access cover was turned 180 degrees and shortened up 8mm on the milling machine to make room for the whistle steam supply. This will become more apparent as the whistle steam supply gets fitted up to the smokebox.
The smokebox skates around on the saddle (I don't think the radii are the same) and needs to be more securely pinned so it doesn't move. There's plenty of clearance in the bolt holes and blast pipe hole and it's worth rechecking the alignment of the blast pipe. The rotation of the smokebox means the chimney may or may not be in alignment depending on where it's bolted down. It will need a plug and aligning rod machined to fit the chimney and see where the blast pipe is aligned off this axis.
Will check that out tomorrow.
Happy steaming
Nigel
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