Ah yes, this sounds like the orthodox type of slosh baffle, fixed rings
inside the tank wall.
From my experience with ballast tanks on a ship, where sloshing produces
undersirable rolling movement of the entire ship: Seems like four vertical
partition baffles would work well. Looking down from the top of the tank, they
would be arranged in the shape of the pound sign,#. They would prevent the bulk
of the propellant from moving to one side of the tank and thus allowing only
a short Center of Gravity shift. Rings would only slow the shifting motion of
the propellant, not preventing it as much as vertical baffles which would
compartmentalize the tanks.
Obviously, the partitions would make the tank stronger and it would
become possible to design the tank to do double duty, 1] a storage tank and 2] a
monocoque framework for the rocket.
This elaborate baffling may be too complex and time-consuming for
Armadillo right now, but it would be a good flight stabilizer and a nice basis for a
future rocket.
Allen Meece, Virtual Beanstalk Project
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