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Hero's Engine


The first ever recorded steam engine, invented almost two millennia ago!

change of state, energy conversion, expansion, Newton's third law

Useful Links: NASA provides a quaint description of how the Hero's engine is a form of propulsion here: This is a video of the demo:

Not currently functional. Bearing needs replacement?


A demonstration of torque and angular acceleration that is also an example of the conversion of heat to kinetic energy.


Hero's Engine, Bunsen burner (or a heat gun) and stand.


1. Heat water in the bulb using a Bunsen burner. 2. When steam begins to jet, the engine will rotate.


Demo room information

Location —-
Maker Unknown
Current State Working
demonstrations/1_mechanics/1q_rotational_dynamics/heros_engine/start.txt · Last modified: 2019/05/24 23:30 by demoroom