20 Cent/Watt Solar Thermal

See the recent "Low Pressure Ratio Regenerated Stoddard" post in Yahoo Groups' Hot Air Engine Society.
33% efficiency from a low tech intermediate temperature closed cycle
Bret Cahill
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file

Polytechforum.com is a website by engineers for engineers. It is not affiliated with any of manufacturers or vendors discussed here. All logos and trade names are the property of their respective owners.