A Double Acting Horizontal Steam Engine Built in the Home Shop

(Video at the bottom of the page.)

This is one of those engines that I actually planned out.  I mean,
I drew up most of the parts in a CAD program.  I wanted a double
acting engine, (it is), and an engine that used some kind of yoke, (it does).
Those were my only requirements when I started out, except that it had to
fit on my small lathe. 

It turned out to be the best running steam engine I have, although I rarely
run it with steam.  Air is much easier for demonstrations and it doesn't leave
water droplets all over the place.  It will start on about 3-4 psi and just puff, puff,
along as long as you please. 

I want to build another one of these someday, but of course, I can't find my
prints and construction notes.  It's okay.  I have the original.



























Here's the video:
(The strange "grinding" sound is the camera continuosly focusing)


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