Well the last couple of mornings have seen most of the work now completed. The brackets have been completed - except the important polishing and finish. I made the 8 stainless steel inserts and in hindsight I should have made a fixture so they could all be turned to size easily. My long winded way of dealing with each one separately however did work, just took a little longer.

Today (14th) I drilled out the brackets. This involved quite a bit of work as listed below:-

1 Use square on vice against the two stainless steel inserts to set square.
2 Use edge finder to find the centre of the stainless steel inserts both length and width.
3. Drill with centre drill.
4. Clamp stainless steel inserts in place so they won't move on drilling.
5. Replace with 3mm pilot drill through both stainless steel inserts.
6. Replace with 5mm drill and drill through both stainless steel inserts.
7. Replace with 6mm drill and only drill through first insert (clearance size)
8. Remove both insert and use 10mm end mill to mill through to first inserts top.
9. Replace with 6mm drill and drill trough to base on lowest insert.
10. Replace with slitting saw and cut slit through to centre bore.
11. Tap the lowest stainless steel insert 6mm
12. Clean up 7/16" insert bores and drilled inserts
13. Remove bracket and reverse to do the same to the other clamping side.
14. Remove and assemble all inserts and bolts.
15. Go to 1 and do the second bracket...............................

So you can see there is a lot of work in just cross drilling and slit sawing the brackets! however that is all behind me now and the only remaining machining is to bring both uprights to size. This can't be done until the bike is here really to see what room there is to play with. So the next task is to clean up all the work, removing any machining marks and then polishing it up (plus the red paint at 1" intervals on the uprights) which will take a good couple of sessions.

However as long as I feel well enough to go into the workshop I believe that they will be complete for this coming weekend and then I can get back to this years main project (last touched in February!!!) the pair of 4 cylinder petrol engines to a design by Edgar T Westbury.

j;kjahsdvikjansdvkljadfnvlkdfj