> But what is most important to me is that there are viable options > OTHER than > stirlings for turning heat into energy that are NOT developed due to > the > continued "promise" of stirlings. I intend to attempt a niche Stirling investigation sometime in the next year. If I am successful, and it just might happen, you will hear more about it :-) Russell -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist