Some of the commenters in these types of videos are quite knowledgeable about engineering, or at least have some interesting ideas.

commenter captain says:

The Stan Meyer system used water vapor in his tube structure. This was created using a vacuum in the tubing from a bubbler. The vaporized water was then pumped thru the tubing into a dual magnetic coil arrangement where it’s molecules were separated into H and O atoms by the two opposing fields North against North. When the water molecules split apart they gave off a huge wave of Etheric Force Field. This newly created field traved along the three turns of copper tubing becoming Stan’s Primary Coil. This primary coil had many Secondary Coils wound around it all of which were connected in parallel to two brass solid rods bent and supported inside the toroid structure. These two brass rods provided the output for the device. Other secondary coils were used to supply the device with its own power source. The input to the device and output from the device was water H2O.

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