Queries about a unit of device, you can use a homopolar generator?

Most Well-known on generator unit in the item: concern Darringer ? Queries about a unit of device, you can use a homopolar generator I wonder if you as a Faraday homopolar generator has built, but built the primary shaft and balanced, like a best, so there is small friction losses, could be built on a theoretical unity Gerät.Ich want say, if you have a perfectly balanced gyroscope as the beginning of a single-engine aircraft created for hours and turn to spin a generator can be created out

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