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Posted by Ecky
If I'm not mistaken, isn't this what NASA uses in its deep space probes for power? (heated by a chunk of something radioactive)
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About radioisotope thermoelectric generators (RTG, RITEG)
wiki sez:
"Thermocouples, though very reliable and long-lasting, are very inefficient; efficiencies above 10% have never been achieved and most RTGs have efficiencies between 3–7%."
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Posted by mans: i'm guessing it should put out at least 10% of its rated capacity, and with enough of them on an exhaust system at operating temp it should do the trick.... no?
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Enough may be quite a lot. Like 100 instead of 25. Still only about $500.
-mort