diff --git a/HydroGenerate/hydraulic_processing.py b/HydroGenerate/hydraulic_processing.py
index 8102e53..7589214 100755
--- a/HydroGenerate/hydraulic_processing.py
+++ b/HydroGenerate/hydraulic_processing.py
@@ -329,7 +329,7 @@ def frictionfactor_calculator(self, hydraulic_parameters):
         elif Re > 2000:     # Cubic interpolation formula derived from the Moody Diagram (Dunlop, 1991)
             AA= -1.5634601348517065795
             AB= 0.00328895476345399058690
-            Y2 = (epsilon / 3.7 * D) + AB
+            Y2 = (epsilon / (3.7 * D)) + AB
             Y3 = -2 * np.log10(Y2)
             FA = Y3**-2
             FB = FA * (2 - (AA * AB / (Y2 * Y3)))
diff --git a/HydroGenerate/hydropower_potential.py b/HydroGenerate/hydropower_potential.py
index e572b13..869cd4b 100755
--- a/HydroGenerate/hydropower_potential.py
+++ b/HydroGenerate/hydropower_potential.py
@@ -271,9 +271,6 @@ def si_to_us_conversion(self):
             if self.net_head is not None:
                 self.net_head = self.net_head / ft_to_m #       m to ft
     
-        if self.max_headloss_allowed is not None:
-            self.max_headloss_allowed = self.max_headloss_allowed / ft_to_m     # m to ft 
-
         if self.penstock_length is not None:
             self.penstock_length = self.penstock_length / ft_to_m       # m to ft