> http://www.engineering.usu.edu/mae/faculty/stevef/info/Bodies.htm > > Now I'll try to figure out how to plug that into a ODE mass, but that > shouldn't be too hard. > > cheers, > m > Wow, that's by far the best reference on the subject that I've seen to date. Thanks! -- Gary R. Van Sickle Brewer. Patriot.