Update and rename aircraftThrust.py to aircraft_thrust.py

aircraft_thrust.py

@@ -0,0 +1,17 @@
+import math
+# Calculating thrust of Aircraft Propeller
+
+def thrust_props(diameter , velocity , velocity1 , density):
+    # According to formula
+    return math.pi / 4 * diameter ** 2 * (velocity + velocity1/2) * density * velocity1
+
+print('Hello Aircraft Lovers,')
+while(True):
+    start_or_end = str(raw_input('start or end : ')).strip().lower()
+    if start_or_end == 'start':
+        res = thrust_props(float(input('Diameter of propeller: ')) , float(input('Velocity of air flow: ')) , float(input('Additional propeller acceleration, velocity: ')) , float(input('Fluid density: ')))
+        print("Thrust of propeller: {}".format(res)) 
+        continue
+    else:
+        quit()
+# I dont know much about airplane physics this formula maybe wrong