PX4-Autopilot/launch/multicopter_w.launch

<launch>
<arg name="ns"/>

<include file="$(find px4)/launch/multicopter.launch">
	<arg name="ns" value="$(arg ns)"/>
</include>

<group ns="$(arg ns)">
	<param name="mixer" type="string" value="w" />
</group>

</launch>