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A brief look at Helion's site indicates their technology requires He3 in the fuel mix. He3 comprises only about 10e-6 of natural helium, which itself is not exa
by ridgeguy 4y ago
A brief look at Helion's site indicates their technology requires He3 in the fuel mix. He3 comprises only about 10e-6 of natural helium, which itself is not exactly common. Is needing He3 more or less of an issue than needing tritium?
- kemiller 4y agoTheir process creates the He3 from deuterium. That’s the secret sauce. They’ve got an interesting model and the direct energy capture approach invalidates much of OPs point. We will see though.
- mycall 4y agoHe3 is abundant on the Moon imho.
- moloch-hai 4y agoIt is not. It would take more energy to extract lunar ³He than could be got by fusing it. In principle, input energy could be intermittent solar, but it is still a losing proposition.