JB>Has anyone heard of a Sterling engine, and could someone thumbnail it for me
JB>It reportedly works on differential compression between two cylinders; hot a
JB>cold sides. The TV show did play Three-seconds of animation of one working,
JB>either the detail was not accurate, or the resolution of NTSC wasn't up to t
JB>task, but there didn't seem to be any valves on it. "Anybody... Anybody...
JB>Beuler?" 

 I don't recall the exact Theory but it is an "External" Combustion
 engine and you easily should be able to find it with an Internet5
 Search. As a side Note many years back the Winabego Motorhome offered a
 Sterling Engine Generator set. They reportedly are a bit more fuel
 sipping then the standard gasoline engine. But nothing dramatic like
 the 200 MPG engines the dralers here have alused to.  :-)

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 þ SLMR 2.1a þ This note from El Cajon California USA