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Game Info[]
National wonder in the Empires of the Smoky Skies scenario of Civilization V: Gods & Kings. Requires a Automated Factory in all cities.
- +4
Gold - +20% Production
Strategy[]
The Perpetual Motion Engine may only be built once each of your cities has an Automated Factory, and you may only build one in your empire. It provides an enormous boost to 
Production as well as a moderate bonus to 
Gold.
Civilopedia entry[]
Scientists tried to unlock the secret of perpetual motion for centuries. With advances in robotics and galvanomagnetic forces, it finally became possible.