Stirling Forum Home Page

<t>Back in school we built a solar metal cutter using Fresnel lenses. A problem arises when you try to go too large with such a lens because the incoming light must be perpendicular to the plane of the lens. With some of the high-powered units being the ultimate goal (25 kW & up) getting the con...

<t>Absolutely, John, dead volume is what I like to call: the Carnot killer, but you can't have a real engine without it.<br/> <br/> AS for the volume ratio, typically, the compressor would be slightly larger than the expander and optimally varies depending on the temperature ratio of your intended a...