diff --git a/legacy/dave_manipulator/tutorials/oberon_manipulator_launch_xacro_hierarchy.graphml b/legacy/dave_manipulator/tutorials/oberon_manipulator_launch_xacro_hierarchy.graphml
deleted file mode 100644
index f8eb0ace..00000000
--- a/legacy/dave_manipulator/tutorials/oberon_manipulator_launch_xacro_hierarchy.graphml
+++ /dev/null
@@ -1,469 +0,0 @@
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- uuv_dave/launch/uuv_dave.launch
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- uuv_dave/launch/upload_rexrov_oberon7.launch
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- uuv_control_cascaded_pid/launch/joy_accel.launch
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- oberon7_control/launch/joint_control.launch
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- uuv_dave/urdf/rexrov_oberon7.xacro
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- oberon7_description/params/robot_config.yaml
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- oberon7_control/launch/joint_effort_controllers.launch
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- oberon7_control/launch/gripper_controllers.launch
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- oberon7_description/params/parallel_gripper_config.yaml
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- uuv_dave/urdf/rexrov_base.xacro
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- uuv_descriptions/urdf/rexrov.gazebo.xacro
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- uuv_dave/urdf/oberon7_default.xacro
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- uuv_descriptions/urdf/rexrov.gazebo.xacro
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- uuv_dave/urdf/oberon7_default.xacro
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- uuv_dave/urdf/serial_arm.xacro
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- uuv_dave/urdf/serial_arm.gazebo.xacro
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- oberon7_description/urdf/parameters/serial_arm.xacro
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- oberon7_description/urdf/parallel_gripper.xacro
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- oberon7_description/urdf/parameters/parallel_gripper.xacro
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diff --git a/legacy/dave_manipulator/tutorials/oberon_manipulator_launch_xacro_hierarchy.jpg b/legacy/dave_manipulator/tutorials/oberon_manipulator_launch_xacro_hierarchy.jpg
deleted file mode 100644
index 1d878ef8..00000000
Binary files a/legacy/dave_manipulator/tutorials/oberon_manipulator_launch_xacro_hierarchy.jpg and /dev/null differ
diff --git a/legacy/uuv_dave/launch/uuv_dave.launch b/legacy/uuv_dave/launch/uuv_dave.launch
index 88a97869..f7eefaee 100644
--- a/legacy/uuv_dave/launch/uuv_dave.launch
+++ b/legacy/uuv_dave/launch/uuv_dave.launch
@@ -94,7 +94,7 @@
+ args="-file $(find dave_object_models)/models/bar/model.sdf -sdf -model grabbable_bar -z -90">
diff --git a/legacy/uuv_dave/launch/uuv_manipulator_spring_demo.launch b/legacy/uuv_dave/launch/uuv_manipulator_spring_demo.launch
index 917b740c..8791fe0f 100644
--- a/legacy/uuv_dave/launch/uuv_manipulator_spring_demo.launch
+++ b/legacy/uuv_dave/launch/uuv_manipulator_spring_demo.launch
@@ -22,7 +22,7 @@
+ args="-file $(find dave_object_models)/models/springy_plate/model.sdf -sdf -model springy_plate">
diff --git a/legacy/uuv_dave/launch/uuv_predator.launch b/legacy/uuv_dave/launch/uuv_predator.launch
index 08fba45e..8fa23ea8 100644
--- a/legacy/uuv_dave/launch/uuv_predator.launch
+++ b/legacy/uuv_dave/launch/uuv_predator.launch
@@ -36,7 +36,7 @@
+ args="-file $(find dave_object_models)/models/bar/model.sdf -sdf -model grabbable_bar">