diff --git a/y2019/control_loops/python/BUILD b/y2019/control_loops/python/BUILD
index 1b395e5..90aafbc 100644
--- a/y2019/control_loops/python/BUILD
+++ b/y2019/control_loops/python/BUILD
@@ -53,5 +53,5 @@
     name = "python_init",
     srcs = ["__init__.py"],
     visibility = ["//visibility:public"],
-    deps = ["//y2018/control_loops:python_init"],
+    deps = ["//y2019/control_loops:python_init"],
 )
diff --git a/y2019/control_loops/python/drivetrain.py b/y2019/control_loops/python/drivetrain.py
index 6421379..b0a213b 100644
--- a/y2019/control_loops/python/drivetrain.py
+++ b/y2019/control_loops/python/drivetrain.py
@@ -14,24 +14,24 @@
 #robot radius needs confirming(set as distance of center wheels from each other)
 #J needs updating
 
+# TODO(austin): wpilib
+# Encoder is on a 24 tooth gear attached to the output gear.
+
 kDrivetrain = drivetrain.DrivetrainParams(
-    J=6.0,
-    mass=68.0,
+    J=4.0,
+    mass=40.0,
+    # TODO(austin): Measure.
     robot_radius=0.616 / 2.0,
-    wheel_radius=0.127 / 2.0 * 120.0 / 118.0,
-    G_low=46.0 / 60.0 * 20.0 / 48.0 * 14.0 / 62.0,
-    G_high=62.0 / 44.0 * 20.0 / 48.0 * 14.0 / 62.0,
-    q_pos_low=0.12,
-    q_pos_high=0.14,
-    q_vel_low=1.0,
-    q_vel_high=0.95,
-    efficiency=0.70,
+    wheel_radius=4.0 * 0.0254 / 2.0,
+    G=9.0 / 52.0,
+    q_pos=0.14,
+    q_vel=0.95,
+    efficiency=0.80,
     has_imu=True,
     force=True,
     kf_q_voltage=13.0,
     controller_poles=[0.82, 0.82],
-    robot_cg_offset=0.0,
-)
+    robot_cg_offset=0.0)
 
 
 def main(argv):
@@ -44,7 +44,7 @@
         print "Expected .h file name and .cc file name"
     else:
         # Write the generated constants out to a file.
-        drivetrain.WriteDrivetrain(argv[1:3], argv[3:5], 'y2018', kDrivetrain)
+        drivetrain.WriteDrivetrain(argv[1:3], argv[3:5], 'y2019', kDrivetrain)
 
 if __name__ == '__main__':
     sys.exit(main(sys.argv))
diff --git a/y2019/control_loops/python/polydrivetrain.py b/y2019/control_loops/python/polydrivetrain.py
index 1652b99..fe52859 100644
--- a/y2019/control_loops/python/polydrivetrain.py
+++ b/y2019/control_loops/python/polydrivetrain.py
@@ -1,7 +1,7 @@
 #!/usr/bin/python
 
 import sys
-from y2018.control_loops.python import drivetrain
+from y2019.control_loops.python import drivetrain
 from frc971.control_loops.python import polydrivetrain
 
 import gflags
@@ -22,7 +22,7 @@
   elif len(argv) != 7:
     glog.fatal('Expected .h file name and .cc file name')
   else:
-    polydrivetrain.WritePolyDrivetrain(argv[1:3], argv[3:5], argv[5:7], 'y2018',
+    polydrivetrain.WritePolyDrivetrain(argv[1:3], argv[3:5], argv[5:7], 'y2019',
                                        drivetrain.kDrivetrain)
 
 if __name__ == '__main__':