Come on, lazy bones

py/hexagram/speedo.py

@@ -0,0 +1,16 @@
+import enum
+
+from hexagram.cluster import Dial
+
+class SpeedUnits(enum.Enum):
+    KPH = 0
+    MPH = 1
+
+class Speedo(Dial):
+    __slots__ = 'units', 'max_speed',
+
+    def __init__(self, x: float, y: float, radius: float, units: SpeedUnits, max_speed: float):
+        super().__init__(x, y, radius)
+
+        self.units     = units
+        self.max_speed = max_speed