openrocket 12.03-1ubuntu1 (i386 binary) in ubuntu quantal

 OpenRocket is a free, fully featured model rocket simulator that allows
 you to design and simulate your rockets before actually building and
 flying them.
 .
 OpenRocket features a full six-degree-of-freedom simulation, realistic
 wind modeling, a multitude of different components including free-form
 and canted fins, clustering and staging.