zero Posted September 8, 2016 Share Posted September 8, 2016 I just came across this for sale locally. I did not know such a thing existed. I also cannot imagine why anybody would want this very expensive device instead of a fully electronic inverter? Maybe I am missing something. I haven't researched it - but it appears to be a 12 volt DC motor coupled to a 120 volt AC generator. So yes - it makes 120 VAC from 12 VDC but weights a lot more then an electronic inverter. Also costs much more and I also suppose it kind of noisy? Like I said, maybe there is some advantage under certain uses that I am missing. Quote Link to comment Share on other sites More sharing options...
WME Posted September 8, 2016 Share Posted September 8, 2016 (edited) Real old school, called a dynamotor. They are from vacuume tube days. Only way to make a high watt inverter back then. I've used an AC to AC version to provide clean power when we had precision equipment hooked up to commercial power in a third world country, the conditioning "filter" was a 100lb flywheel Edited September 8, 2016 by WME Quote Link to comment Share on other sites More sharing options...
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