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jakzurr
4y ago
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Not Carnot, it's mechanical.
https://en.wikipedia.org/wiki/Pumped-storage_hydroelectricit...
It's not 100%, but it's not bad.
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olau
4y ago
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The comment you're replying to is discussing using heat for pressure, not electrical pumps.
jakzurr
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4y ago
Ah, you're absolutely right, that was my mistake. hp48fan seems correct that it would make a minuscule difference.
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