Hi Larry,

There arre lnnks at the article to wsay more projects than just the Moller skycar, so take a look. The historical link at bottom covers many years of engineering efforts.

Particularly exciting is

http://www.aerotwinmotors.com/

This 4 stoke engine may have some impact on hovercraft, where the noise of 2 cycle engines has both reduced demand and led to restrictions on their use. I always expectedt that the enigineers at Honda would enter the hovercraft market on principle, as it does involve gasoline engines, but it has not happeneed yet. Right now, the hovercraft market is "experimental", for the most part.