Originally Posted by Orion Jim
If you can’t buy one off the shelf and make it fit, bring the quadrant to a local foundry. They can cast a replacement in your choice of material.
Plus it will need machine work
after the pour, especially if it’s sandcast vs lost
You’d have to take the existing one there, they’d glue it back together, make a latex mold
, pour wax, make a tree for i, take that to slurry, burn out the wax, pour the Al, break and media blast off the slurry, grind and sand it to spec, machine the shaft and keyway.... materials and hours that’s going to add up.
I’d wager that will be a multiplier more expensive than just ordering a Edson