Hi Georg, just a simple question: did you check if you're sending the twist command to the right topic? (use rxgraph or rostopic to check) Enea Scioni -- View this message in context: http://ros-users.122217.n3.nabble.com/Pioneer2DX-does-not-move-with-p2os-tp1601584p1601652.html Sent from the ROS-Users mailing list archive at Nabble.com.