The Boys' Bugle

A Christian magazine for boys featuring things of both a spiritual and physical nature.

Wednesday, February 21, 2007

Stirling Heat Engine

My brother Nathaniel built a little stirling heat engine. It cycles about 2 times per second with a heat lamp on it. It's amazing how fast air can heat up and cool off. It's supposed to run with sunlight but he never got it to run like that. He hopes to build a bigger one that can actaully do some work.


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