Ancient Science of China中国古代科学
← DiscoveriesA-Tier · Major Innovation

木牛流马

Wooden Ox and Gliding Horse

A mountain transport machine using linkages and self-locking mechanisms to achieve labor-saving transport, capable of carrying several hundred jin over the treacherous Shu roads.

木牛流马

Scientific Principle

Linkage mechanism + self-locking principle: uses friction and geometric relationships of the mechanism to achieve parking on inclined surfaces.