> What about using a piezo gyro (available relatively inexpensively with > pwm output)? Placing it at 45 degrees to both the roll and pitch axes > will allow both wing leveling and some heading stabilization. Doesn't dihedral work any more ? Steve. -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu