As many of you are likely aware, I have long had a significant collection of "Solar Engines of Phoenix Arizona" (SEoPA) external combustion engines. Today, I believe that I have finally obtained the last of those engines which has continually eluded me for low these many years ... the Twin Flywheel Vertical Stirling Cycle Engine, as seen in the seller's ebay listing photo, here:
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As an added bonus, at extra cost of course, I was able to work out a combo deal such that I'm also getting another SEoPA rarity, the Mini-Vac flame licker engine. I do already have one of these, but mine is in rather poor condition, having come to me with the piston totally seized in the cylinder to the point it took me months to get it out, and even then not without some damage, so that it barely runs now. Thus having another one, that looks to be in very good condition, was also a highly desirable acquisition!
Here's the little flame licker as shown in the listing:
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Both of these engines are true Unicorns, without a doubt!!!