“The isotope of interest for space is americium-241…Its half-life is a staggering 432 years, five times longer than plutonium-238.”
“The isotope of interest for space is americium-241…Its half-life is a staggering 432 years, five times longer than plutonium-238.”
And Stirling engines run on gases, so the contraption would have to be sealed. Not insurmountable, and I love me some Stirling engine… IANAE but it seems a challenging choice for a device which hopes up run for decades or a century.