Possible correction: in digging around just now, I have found some recent information from a researcher who has spent a lot of time with the Graneau experiement and thinks (strongly) that it is NOT gainful.
There is a thread here: http://www.overunity.com/index.php?topic=5135.msg112480 > If the Graneau conclusion of a COP=~2 gain in > water-arc discharges is correct ...
