I just finished building a fluidyne Stirling engine* to a design in the
"Amateur Scientist" CD (compilation of columns from "Scientific American"
While it works, it's total oscillation amplitude is very tiny - perhaps 1/16".
Kind of disappointing and not very impressive. I'd like to build a version
that doesn't require magnification to see that it's working.
Has anyone ever built a fluidyne engine and, if so, would you be willing to
share the plans for it?
*A fluidyne Stirling is an engine that uses a fluid for both the displacer and
the output coupler. No conventional pistons or connecting rods are employed.
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