A little bit more progress.
Drag links 4 off them and all need to be exactly the same length.
Make 8 threaded eyes but only 4 have the through hole .
Screw eyes to 4 rods .
Make a jig for mill .
Bolt rod down through eye.
Slide table across and drill hole .
Unbolt and repeat with out moving table .
[ Guests cannot view attachments ]
Some other minor bits have been made and loosely fitted up..
Need to finish valve rods and gland nuts then the 4 eccentic and sheaves .
[ Guests cannot view attachments ]