Iris: update iris_with_ardupilot

- Update servo_max = 2000, servo_min = 1000.

Signed-off-by: Rhys Mainwaring <rhys.mainwaring@me.com>

Author: srmainwaring

models/iris_with_ardupilot/model.sdf

@@ -841,8 +841,8 @@
         <useForce>1</useForce>
         <multiplier>838</multiplier>
         <offset>0</offset>
-        <servo_min>1100</servo_min>
-        <servo_max>1900</servo_max>
+        <servo_min>1000</servo_min>
+        <servo_max>2000</servo_max>
         <type>COMMAND</type>
         <cmd_topic>/model/iris_with_ardupilot/joint/rotor_0_joint/cmd_vel</cmd_topic>
       </control>
@@ -852,8 +852,8 @@
         <useForce>1</useForce>
         <multiplier>838</multiplier>
         <offset>0</offset>
-        <servo_min>1100</servo_min>
-        <servo_max>1900</servo_max>
+        <servo_min>1000</servo_min>
+        <servo_max>2000</servo_max>
         <type>COMMAND</type>
         <cmd_topic>/model/iris_with_ardupilot/joint/rotor_1_joint/cmd_vel</cmd_topic>
       </control>
@@ -863,8 +863,8 @@
         <useForce>1</useForce>
         <multiplier>-838</multiplier>
         <offset>0</offset>
-        <servo_min>1100</servo_min>
-        <servo_max>1900</servo_max>
+        <servo_min>1000</servo_min>
+        <servo_max>2000</servo_max>
         <type>COMMAND</type>
         <cmd_topic>/model/iris_with_ardupilot/joint/rotor_2_joint/cmd_vel</cmd_topic>
       </control>
@@ -874,8 +874,8 @@
         <useForce>1</useForce>
         <multiplier>-838</multiplier>
         <offset>0</offset>
-        <servo_min>1100</servo_min>
-        <servo_max>1900</servo_max>
+        <servo_min>1000</servo_min>
+        <servo_max>2000</servo_max>
         <type>COMMAND</type>
         <cmd_topic>/model/iris_with_ardupilot/joint/rotor_3_joint/cmd_vel</cmd_topic>
       </control>