Calibrated the hood, indexer and drivetrain

Change-Id: I83f1043a0131f9c4dc414b88325667afc3ee514b
diff --git a/y2017/control_loops/python/drivetrain.py b/y2017/control_loops/python/drivetrain.py
index e722c86..d2a389e 100755
--- a/y2017/control_loops/python/drivetrain.py
+++ b/y2017/control_loops/python/drivetrain.py
@@ -29,9 +29,9 @@
     # Free Current in Amps
     self.free_current = 4.7 * self.num_motors
     # Moment of inertia of the drivetrain in kg m^2
-    self.J = 2.0
+    self.J = 6.0
     # Mass of the robot, in kg.
-    self.m = 50
+    self.m = 52
     # Radius of the robot, in meters (requires tuning by hand)
     self.rb = 0.59055 / 2.0
     # Radius of the wheels, in meters.