In a message dated 10/13/2005 8:36:36 PM Eastern Daylight Time, [EMAIL PROTECTED] writes:
Here below is a link to an article that discusses how to make hoverboards and hovercars work based on Forcefield Air-cushion Technology:
 
I just bought a copy of their Hoverboard design notes at the above link, which is very professionally written.  It mentions a patent that presently exists for electrostatically levitated vehicles (Patent 3,095,167, filed June 1975 by H.C. Dudley) to propel a missile from Earth by using a high charge on the order of 400,000 to 500,00 volts that can be used to raise the charge on a hoverboard to compensate for the difference in charge between the board and the ground. The problem is to maintain such a high charge with such close distance to the ground. 
 
 

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