This is a very interesting project at MIT (Liquid rocket engine) that might apply to our own engine work. They have an excellent animation at: http://www.4dartist.com/rocket/ Jay -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.psas.pdx.edu/pipermail/psas-avionics/attachments/20060220/03a50463/attachment-0002.htm>