Tune flywheels

Switch to hybrid kalman filter, plot voltage error

Change-Id: I9ade9a741aae58bdb3818c23bfe91b18786235f3
diff --git a/y2020/control_loops/python/hood.py b/y2020/control_loops/python/hood.py
index 98ddfe4..7e75dce 100644
--- a/y2020/control_loops/python/hood.py
+++ b/y2020/control_loops/python/hood.py
@@ -47,6 +47,8 @@
         angular_system.PlotKick(kHood, R)
         angular_system.PlotMotion(kHood, R)
 
+    glog.info("Radians per turn: %f\n", radians_per_turn)
+
     # Write the generated constants out to a file.
     if len(argv) != 5:
         glog.fatal(