Jon S. Berndt wrote: > The rigid body response to a force and torque can be in roll, pitch, > yaw, and/or X, Y, Z translation. That's six DoF. How does the > seventh degree come into play?
I wasn't clear: the rigid body response function takes a 6DOF space (force + torque) to another 6DOF space (position + orientation). But the space *of* those functions (that is: how many unique rigid bodies are there?) has 7 degrees of freedom. There is a mass, and a 3x3 inertia tensor. Andy _______________________________________________ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel
