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I1-31. Rubber Band Engine
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I1-31. Rubber Band Engine
Purpose
To demonstrate the Feynman rubber band engine.
Equipment
Rubber band engine (rotor in refrigerator), variac and heater.
Images
Description
Rubber bands form the spokes of a well-balanced wheel. When heated, the rubber bands contract, moving the center of mass of the wheel so that it is out of balance, causing the wheel to rotate.
References
George Calingaert, A Simple Demonstration of the Carnot Cycle, Journal of Chemical Education, August 1952, pp. 405-406.
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See pagesi1. thermal properties of matter
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See pagesi2. transfer of heat
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See pagesi3. gases
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See pagesi4. changes of state
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See pagesi5. laws of thermodynamics
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See pagesi1. thermal properties of matter
-
See pagesi2. transfer of heat
-
See pagesi3. gases
-
See pagesi4. changes of state
-
See pagesi5. laws of thermodynamics
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Physics Lab Demos