On Wed, 28 Sep 2011 20:26:54 -0400, Honey Badger
wrote:

On paper they are amazing!

Then you realize that you have to keep a generator running 24/7 to
keep the gyro spinning.

There is a system called an "Anti Roll Tank" that some people have had
success with on pleasure boats in the 40 to 60 ft range. It requires
a custom design unique to each boat however. It usually requires no
power at all, and is effective at slow speeds and at anchor.

http://en.wikipedia.org/wiki/Antiroll_Tanks

For a discussion of all types of stabilization systems, take a look at
the following:

http://en.wikipedia.org/wiki/Ship_stability