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Ericsson solar stirling engine from 1873!

Brent Rowell

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Last Subscription Date
08/14/2016
Thought you guys would enjoy seeing the conclusion of a serious project of mine. I always loved an engraving of a solar stirling engine from the 1870s by John Ericsson, so finally decided the only way to see one in action was to make it. The video will tell you the whole story. I built it from scratch on weekends over an 8-month period and tried to keep all materials, every nut and bolt appropriate to the period. To give you an idea of its size, the flywheel is 6 inches in diameter. The main cylinder is cast iron rather than steel. Top speed is 300 rpm on a nice sunny day. Here's the YouTube link:

https://www.youtube.com/watch?v=AP4XNkxjb2o
 

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Orrin

Registered
Last Subscription Date
06/25/2014
Wow! Well done! Your design and workmanship is superb.

Where did you get the parabolic reflector?

Orrin
 

Brent Rowell

Registered
Last Subscription Date
08/14/2016
Thanks for your comments. I got lucky on the reflector--purchased secondhand from an internet seller. I only had to add a spacer at its base to raise the focal point a little.
 
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