I assume that we are mostly on the same page when it comes to the requirements of a practical “antigravity” drive… That is, we want something that can produce sufficient thrust to get a vehicle off the ground and ideally also be able to accelerate it in a vacuum... WITHOUT "squirting stuff out the back".

All “alternative drives” that exist in profusion appear to rely on vibrations and stiction and slip with a reference surface to produce an essentially useless result. Clearly, to be of any practical use any prototype drive needs to be tested in a manner that can leave no doubt as to its real ability.

Sandy Kidd, in his book “Beyond 2001”, describes a test method that may seem painfully obvious – but precious few “alternative propulsion developers” make use of any such methods to test and demonstrate their devices. (Mostly because nothing convincingly passes this test, yet!)

(I am of the opinion that Sandy Kidd actually produced a machine that was able to deliver marginal quantities of thrust - for reasons that nobody could fathom - and ONLY when the machine had run for some time and the resultant wear caused it to function in a manner not planned in the original design. I suspect that were a machine constructed to capitalise on this unknown effect, the results would far more convincing... possibly just what is needed.)

Essentially, the acid test for a device that is claimed to produce a reactionless thrust goes like this:

· The device is encased in a container (most likely shoe-box shaped, but could be any size) to prevent any moving parts from interacting with the surrounding air.
· The container is then suspended from its four top corners via four cables/chords/strings/threads.
· Ideally the power source should be in the box too – but power could be delivered electrically via the support cables – or via a suitable compressed air line – or a fuel line – whatever – as long as these lines can in no way impart any resultant horizontal forces on the device under test.
· The device is suspended such that any generated thrust will be in the horizontal direction.
· This sealed box is suspended in a closed room that is free of any high voltages, draughts, magnetic fields – or objects/materials that the device could in any way interact with (especially electrostatically or electromagnetically).
· A plumb bob is hung alongside the box and a clear mark is made on the side of the box
· The device is then operated and any horizontal deflection is monitored.

Results:

· If it just shakes or vibrates – no points
· If it just rocks back and forth – no points
· If the average deflection works out to be more on one side than the other – hmm… we may have something happening
· If the thing strains continually in one direction with an obvious and significant deflection… BINGO!

Of course, if the thing can drag you around the room, in whatever direction you point it, without it coming into contact with anything else – don’t bother doing the test – the thing works!

That should be the moment when Aerospace authorities of large countries will jump on you with glee. (And may God help you.)

Sounds great… now somebody needs to MAKE one!

Go for it guys!

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