Des Bromilow wrote:

does anyone here have knowledge, articles, experience, etc to cover how
metal motorcycle mudguards are made?
....
help us make up a machine to make some guards, please help since the
"local" guy who used to make them for the restoration hobbyists is so
overworked that deadlines are being dropped.

Maybe this "'local' guy" "[has] the knowledge..."; why haven't you asked
him?

Good Luck!
Rich