On Wed, 10 Apr 2013 08:04:31 -0400, BAR wrote:

In article ,
says...

It's called a "Jump Board" or something like that. I've seen some
spectacular swan dives from 20 to 30 feet up.


http://oi46.tinypic.com/5k3y3a.jpg

What is the GPS, gallons per second, for air time.

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Don't know but since the power source is a Jetski, probably about the
same fuel burn. There is a long, flexible hose running from the
output of the Jetski to the bottom of the board. The Jetski operator
controls the power, and the person on the board has limited
maneuverability by doing subtle weight shifts.