Hi Michel,
The only problem with ion wind theory is that there isn't enough thrust in the ions to cause a lifter to lift. What's more, you can reverse the polarity of the wire and broad conductor and the lift is the same. If electrons were being emitted as ion wind in one case, they would not be in the other case. Since there are no positively charged electrons and any protons would have 1836 times the mass of the electron and give different results, the ion wind theory is bust. Just because a mathematical formula gives a number doesn't mean that number can be applied to a non-existent phenomenon. Dave > Also, for you Michel, why does the ion mobility equation necessarily > interpret as being ion wind? ... > Dave Because ion [induced] wind yields exactly the above thrust formula if you do the maths, here is an elegant derivation by R.S. Sigmond (if the 16 kB gif image makes it to the list) Michel
