Hi I part through machining the cylinder and and having read David Haythornwaite excellent article on building the M E Beam engine where he suggested that instead of 6 studs in the cylinder cover it looks better if 12 studs are used. So that is what I have done. I made a dummy stud for where the steam chest bolts onto the cylinder otherwise it would have a gap in the ring of studs. The dummy stud is tapped only into the cover, see photo.
I have been busy with the beam and have machined the bearings and placed them in situ. I never realised how important alignment is when trying to align the cylinder and beam. I think this is going to be the worse job of the build. Let me know what you think. Adrian