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Greg, Thank you! This is fantastic information! It was not my intention when I originally responded to your post to perpetuate "conspiracy theories" and other such nonsense as some might have eluded to. I am a layperson who knows just enough to be dangerous (you know the type), as at least half of the coilers in the world are, but I always seek to get a better understanding from people who have the means to push the envelope such as yourself. Thank you so much for sharing this information! You built an amazing driving machine fully powered by wireless transmission. Any plans to build a flying machine? A drone, model airplane or helicopter Thanks again! - Brandon Garretson, NJ USA On Tue, Aug 11, 2020 at 6:01 PM Greg Leyh <lod@xxxxxxxxxxx> wrote: > On 8/8/2020 09:04, Liberty Rising<garretsontech@xxxxxxxxx> wrote: > > > > I love it. Fantastic demonstration. But I hope that you are working to > > determine, refine and publish the overall efficiency of such an > > application. I like to show off to my friends the fact that my TC can > > brightly illuminate a 48" fluorescent tube at 10' from the source. But in > > order to do that I am pulling 12 amps at 140 volts for the primary input. > > Its an incredible waste of energy to say the least. That being said, I am > > merely a hobbyist. I have zero formal training on the matter other than > > having a HAM license. I would really like to see the numbers regarding > > power output from the transmitting coil compared to the actual work being > > done in HP or some other quantifiable measurement by the receiving > device. > > > > My two cents > > > > - Brandon Garretson > > Hi Brandon, > > If you hadn't seen it yet, I have one paper on the circuit modeling and > efficiencies: > > http://www.lod.org/misc/Leyh/Papers/NAPS2008Final.pdf > > We were able to get 22% at 5 meters without too much effort. -Greg > _______________________________________________ > Tesla mailing list > Tesla@xxxxxxxxxxxxxxxxxx > https://www.pupman.com/mailman/listinfo/tesla > _______________________________________________ Tesla mailing list Tesla@xxxxxxxxxxxxxxxxxx https://www.pupman.com/mailman/listinfo/tesla