The Hackenburger “Purple Motor” A.K.A. The E.V. Gray Motor


SKU: MM-ESTC2022-PM Categories: , ,


Ed Gray is one of the most well-known names in the history of “free energy” and the story would make for an amazing Hollywood movie, which would be based on a true story.

Even the Crosby Institute founded by Bing Crosby (from Spokane, Washington) tested the “Gray” Motor, which showed over 300 times more output than input.

There were other motors that came out after this original one was tested that took a whole other path but it left clues that may help decipher the original secrets.

Mr. Reginald Garcia who owns the Purple Motor was kind enough to bring it up to the ESTC for display it so that everyone could take pics, look at how it was wired – the wiring was not complete – to see a historical motor like this is a very rare experience!

Mark McKay who also happens to be from Spokane has travelled around the country interviewing Gray’s former engineers, family members, investors, etc. and has a more complete history of the “Gray Motor” than anyone and he has presented on this a couple times in the past at the ESTC and his assessment of this Purple Motor is available now!



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