DjArcas wrote: > A body can't have angular vel but no linear vel and then collide with > something static - it's not moving! Consider an irregular cuboid spinning on its centre of mass and placed close to another geom. --Adam -- Adam D. Moss . ,,^^ adam at gimp.org http://www.foxbox.org/ co:3 "At this point the rocket becomes engorged with astronauts."