What you're doing is really a dying art. Your lathe is also very "old school" when I look at the cutting tools you're using. Great result and great knowledge.
Nice done! ... just one thing.... After cutting the cone on the wheel... i would not turn it arround.... just let it in the chuck and bore the axle holes.... if you flip it.... the center is out of Alignment relative to the running circle (cone) the wheel center and the outer circle (running surface) is better done with one unchanged setup!
Indeed! In his book, "The Pennsylvania A3 Switcher (The first project for the beginner)," the author Kozo Hiraoka emphasizes this very point. "In all cases where perfect concentricity or squareness is required, the related surfaces must be machined in the same chucking."
