Compact Stirling Heat Engine - eMachineShop

You can find a real nice, compact design for a Stirling heat engine on the eMachineShop website.  The project information includes everything you need to build your own as well as displaying a nice graphical demonstration of how that engine works.

First Post - Assorted Links

 
Here are a few of my favorite sites:

http://brassgoggles.co.uk/blog/

http://evilmadscientist.com/

http://www.steampunkmagazine.com/