Space is stressed by the sudden release of energy and get deformed. The snapping back of space to it's equilibrium is what the disc feels. So the snapping back of space is what is "pushing" the disc forward.
Eternalightwithin
Chris Knight wrote:Rocky,
That's smart - you are right about the lifters. Mr. Naudin and Ventura aren't all that interested in talking about that aspect of the lifters, though.
The sparks Townsend observed in the tri-arcuate discs are important. In the absence of ion wind in a hard vacuum, what do you think might be the cause of such an effect?
The spark across the gap was followed immediately by an impulse (thrust). Do you think perhaps the thrust was caused by an "equalization" of the electrode charges?