I spent a lot of time mocking up the brake pedal and rudder pedal setup to locate and drill the holes for the brake master cylinders.
This is an important step because it determines the angle of the brake pedals in the relation to the rudder pedals.
Unfortunately I botched one of the holes in the piece where the master cylinder mounts to the brake pedal. So I ordered another one from Vans. The good news is that these parts are not expensive ($4) and Vans ships them fast.
I also got all required countersinking for flush rivets done on the brake pedal parts.
Rudder pedal and brake pedal mockup:
Marking the master cylinder mounting location:
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