diff --git a/nhf/touhou/houjuu_nue/electronics.py b/nhf/touhou/houjuu_nue/electronics.py
index 0a0b466..6d3df18 100644
--- a/nhf/touhou/houjuu_nue/electronics.py
+++ b/nhf/touhou/houjuu_nue/electronics.py
@@ -24,11 +24,11 @@ class LinearActuator(Item):
     front_width: float = 9.24
     front_height: float = 5.98
 
-    segment1_length: float = 37.55
+    segment1_length: float = 37.54
     segment1_width: float = 15.95
     segment1_height: float = 11.94
 
-    segment2_length: float = 37.47
+    segment2_length: float = 37.37
     segment2_width: float = 20.03
     segment2_height: float = 15.03
 
@@ -154,7 +154,7 @@ class MountingBracket(Item):
     height: float = 12.20
     thickness: float = 0.98
     length: float = 13.00
-    hole_to_side_ext: float = 8.10
+    hole_to_side_ext: float = 8.25
 
     def __post_init__(self):
         assert self.hole_to_side_ext - self.hole_diam / 2 > 0
@@ -272,13 +272,24 @@ class BatteryBox18650(Item):
 
 
 LINEAR_ACTUATOR_50 = LinearActuator(
-    mass=34.0,
+    mass=40.8,
     stroke_length=50,
-    # FIXME: Measure
-    front_hole_ext=6,
-    back_hole_ext=6,
-    segment1_length=50,
-    segment2_length=50,
+    shaft_diam=9.05,
+    front_hole_ext=4.32,
+    back_hole_ext=4.54,
+    segment1_length=57.35,
+    segment1_width=15.97,
+    segment1_height=11.95,
+    segment2_length=37.69,
+    segment2_width=19.97,
+    segment2_height=14.96,
+
+    front_length=9.40,
+    front_width=9.17,
+    front_height=6.12,
+    back_length=9.18,
+    back_width=10.07,
+    back_height=8.06,
 )
 LINEAR_ACTUATOR_30 = LinearActuator(
     mass=34.0,
diff --git a/nhf/touhou/houjuu_nue/test.py b/nhf/touhou/houjuu_nue/test.py
index 91d81ad..465891c 100644
--- a/nhf/touhou/houjuu_nue/test.py
+++ b/nhf/touhou/houjuu_nue/test.py
@@ -7,6 +7,14 @@ from nhf.checks import pairwise_intersection
 
 class TestElectronics(unittest.TestCase):
 
+    def test_actuator_length(self):
+        self.assertAlmostEqual(
+            ME.LINEAR_ACTUATOR_50.conn_length, 103.9
+        )
+        self.assertAlmostEqual(
+            ME.LINEAR_ACTUATOR_30.conn_length, 83.9
+        )
+
     def test_flexor(self):
         flexor = ME.Flexor(
             motion_span=60,