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[DPRG] Has anyone heard of phase change muscles?

Subject: [DPRG] Has anyone heard of phase change muscles?
From: Randy M. Dumse rmd at newmicros.com
Date: Fri Sep 21 18:44:12 CDT 2001

Hi folks,

My first attempt to post to the list, here. Ever heard of a heat pipe, a
tube with liquid in the bottom and a gas above it? The liquid boils above
room temperature. When the liquid turns to gas at the bottom, it bubbles up
to the other end, cools, condensed, and falls back to the bottom. An example
of this effect can be see in those Christmas tree lights with a tube above
them that bubbles.

I was wondering about applying this to locomotion. A piston might be pushed
due to heating a phase change of a liquid/gas in a chamber under the piston.
Cooling to room temperature would cause it to contract again. Anyone heard
of such an idea before?

Randy


Randy M. Dumse
www.newmicros.com


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