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A unique demonstration tool of an alternate energy source
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Demonstrate to students the principle of the expansion and contraction of water
vapor to power a model airplane propeller
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The Stirling engine is designed to operate with
either hot or cold water
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To operate the Stirling engine, place on top of a mug
of boiling water
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A cylinder on the bottom of the engine reacts to the vapor of the heated water by
allowing the water from the hot side of the cylinder to the cold side
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The resulting expansion/contraction of the gases in the cylinder causes a rubber
diaphragm to react and in turn move the propeller
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Properly designed Stirling engines have two power
pulses per revolution, making them a very smooth engine to operate
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Engine is fully assembled
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Recommended for grades 7 and up
