Models of Steam and Gasoline Engines

Concept Overview:

Mechanical models of both a gasoline engine and a steam engine; they are antique, but effectively* get the point across

Lecturer Procedure

Step(s) to Follow

Turn the crank on the wheel of the desired engine

Expected Result

Notice how the pistons inside move

Reference Videos:

Otto 4-Cycle Engine Explanation

Otto Cycle Pressure and Volume Graphs

Steam Engine Explanation

Diesel Engine Explanation

*One of the gears is a bit stripped, so the timing isn't always accurate.  However, it shows the basic process