MTd2 wrote: Why not tin? Going almost to boiling temperature and lowing it to melting, it gives an ideal of 83% efficiency. It has a reasonably high density and atomic weight, so it can capture a lot of x-rays.
i’m not worried about capturing the xrays; what’s a worry is, how do you contain the hot fluid? what is your container made from? how do you cold-start it?
what is the engine’s principle of operation? how close to ideal does it’s efficiency get?
