diff --git a/input/user_input.py b/input/user_input.py
index 6364dde..7241018 100644
--- a/input/user_input.py
+++ b/input/user_input.py
@@ -1,8 +1,8 @@
 # BALLOON
-m_pl = 600.0  # payload mass in [kg]
-m_film = 400.0  # mass balloon film in [kg]
-m_gas = 161.0 # lifting gas mass in [kg]
-V_design = 88000  # maximum fillable balloon volume in [m^3]
+m_pl = 1728  # payload mass in [kg] herumspielen
+m_film = 1897  # mass balloon film in [kg]
+m_gas = 600  # lifting gas mass in [kg] herumspielen
+V_design = 1120497.6  # maximum fillable balloon volume in [m^3]
 L_goreDesign = 1.914 * V_design ** (1/3)
 
 # THERMO-OPTICAL
@@ -18,18 +18,18 @@ c_f = 2092  # [J/(kg*K)]
 
 epsilon_ground = 0.9
 Albedo = 0.1
-T_ground = 273.15
+T_ground = 288.15
 
 # DRAG
-c_d = 0.47       # drag coefficient balloon (spherical) [-]
+#c_d = 0.47       # drag coefficient balloon (spherical) [-]
 
 c_virt = 0.37
 
 # SIMULATION
-t_end = 10000  #5000  # maximum simulation time in [s]
-dt = 0.1  #0.01  #0.01  # simulation time step in [s]
+t_end = 100000  #7500  #5000  # maximum simulation time in [s]
+dt = 1.0  #0.01  #0.01  # simulation time step in [s]
 start_height = 365.10  # start altitude in [m]
 start_lat = 67.889235  # start latitude in [deg]
 start_lon = 21.082948  # start longitude in [deg]
-start_utc = '2016-07-11 17:09:50.000'  # start date and time in UTC
+start_utc = '2016-07-12 03:17:24.000'  # start date and time in UTC
 p_0 = 101325  # sea-level pressure in [Pa]