Forging a crown wheel.
https://diqn32j8nouaz.cloudfront.net...rown_wheel.gif
https://www.youtube.com/watch?v=UlI84GxsmBo
Previously:
https://www.homemadetools.net/forum/...1800#post94762
https://www.homemadetools.net/forum/...2481#post96434
https://www.homemadetools.net/forum/...2847#post97293
