Update :
I spent nearly 6 weeks away at sea, so not had much time to work on this.
I'm not convinced about my original plan of running an 8 stud, so might redesign the hubs. That's for later.
Been working on shaving the bottom off the diff housing.
Marking the cut line :
(FWIW - channel iron is not the right thing to use to clamp the axle to the bed. It flexes whilst tightening up, i need to find some big vee blocks)
Cut the bulk off with a grinder and then clean up on the mill :
A plate care of Carl Hurst (needs machining out the middle to allow for crownwheel - it is 15mm thick to start ) :
Snug :
Need to find some more filler rod this morning and then get it welded on.
G