diff --git a/ship_model_lib/01_AddedResistance.ipynb b/ship_model_lib/01_AddedResistance.ipynb
index 0e04eee..6a1f0e6 100644
--- a/ship_model_lib/01_AddedResistance.ipynb
+++ b/ship_model_lib/01_AddedResistance.ipynb
@@ -1681,9 +1681,9 @@
           0.004835842409560085,
           0.0030977699312192217,
           0.0017437348618278197,
-          7.753868845447831E-4,
-          1.9390578221788058E-4,
-          2.3869418286106128E-33,
+          0.0007753868845447831,
+          0.00019390578221788058,
+          2.3869418286106128e-33,
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@@ -1863,9 +1863,9 @@
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-          1.9390578221787564E-4,
-          7.753868845448028E-4,
+          2.3869418286106128e-33,
+          0.00019390578221787564,
+          0.0007753868845448028,
           0.0017437348618278346,
           0.0030977699312192417,
           0.004835842409560085,
@@ -2456,9 +2456,9 @@
           0.004835842409560085,
           0.0030977699312192417,
           0.0017437348618278047,
-          7.753868845447831E-4,
-          1.9390578221787564E-4,
-          2.3869418286106128E-33,
+          0.0007753868845447831,
+          0.00019390578221787564,
+          2.3869418286106128e-33,
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@@ -2638,9 +2638,9 @@
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-          2.3869418286106128E-33,
-          1.9390578221787564E-4,
-          7.753868845448028E-4,
+          2.3869418286106128e-33,
+          0.00019390578221787564,
+          0.0007753868845448028,
           0.0017437348618278346,
           0.0030977699312192417,
           0.004835842409560085,
@@ -3053,9 +3053,9 @@
         {
          "name": "Encounter angle: 90.0",
          "r": [
-          2.3869418286106128E-33,
-          1.9390578221787564E-4,
-          7.753868845447634E-4,
+          2.3869418286106128e-33,
+          0.00019390578221787564,
+          0.0007753868845447634,
           0.0017437348618278346,
           0.0030977699312192417,
           0.004835842409560085,
@@ -3231,9 +3231,9 @@
           0.004835842409560085,
           0.0030977699312192417,
           0.0017437348618278047,
-          7.753868845447831E-4,
-          1.9390578221787564E-4,
-          2.3869418286106128E-33,
+          0.0007753868845447831,
+          0.00019390578221787564,
+          2.3869418286106128e-33,
           0.0,
           0.0,
           0.0,
@@ -3413,7 +3413,7 @@
           0.0,
           0.0,
           0.0,
-          2.3869418286106128E-33
+          2.3869418286106128e-33
          ],
          "theta": [
           0.0,
@@ -3828,9 +3828,9 @@
           0.0,
           0.0,
           0.0,
-          2.3869418286106128E-33,
-          1.9390578221787564E-4,
-          7.753868845447634E-4,
+          2.3869418286106128e-33,
+          0.00019390578221787564,
+          0.0007753868845447634,
           0.0017437348618278346,
           0.0030977699312192417,
           0.004835842409560085,
@@ -4006,9 +4006,9 @@
           0.004835842409560085,
           0.0030977699312192417,
           0.0017437348618278047,
-          7.753868845447831E-4,
-          1.9390578221787564E-4,
-          2.3869418286106128E-33,
+          0.0007753868845447831,
+          0.00019390578221787564,
+          2.3869418286106128e-33,
           0.0,
           0.0,
           0.0,
@@ -4603,9 +4603,9 @@
           0.0,
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-          2.3869418286106128E-33,
-          1.9390578221787564E-4,
-          7.753868845447634E-4,
+          2.3869418286106128e-33,
+          0.00019390578221787564,
+          0.0007753868845447634,
           0.0017437348618278346,
           0.0030977699312192417,
           0.004835842409560085,
@@ -4781,9 +4781,9 @@
           0.004835842409560085,
           0.0030977699312192417,
           0.0017437348618278346,
-          7.753868845447634E-4,
-          1.9390578221787564E-4,
-          2.3869418286106128E-33,
+          0.0007753868845447634,
+          0.00019390578221787564,
+          2.3869418286106128e-33,
           0.0,
           0.0,
           0.0,
@@ -6550,9 +6550,9 @@
           0.004835842409560085,
           0.0030977699312192217,
           0.0017437348618278197,
-          7.753868845447831E-4,
-          1.9390578221788058E-4,
-          2.3869418286106128E-33,
+          0.0007753868845447831,
+          0.00019390578221788058,
+          2.3869418286106128e-33,
           0.0,
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@@ -6732,9 +6732,9 @@
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-          2.3869418286106128E-33,
-          1.9390578221787564E-4,
-          7.753868845448028E-4,
+          2.3869418286106128e-33,
+          0.00019390578221787564,
+          0.0007753868845448028,
           0.0017437348618278346,
           0.0030977699312192417,
           0.004835842409560085,
@@ -7325,9 +7325,9 @@
           0.004835842409560085,
           0.0030977699312192417,
           0.0017437348618278047,
-          7.753868845447831E-4,
-          1.9390578221787564E-4,
-          2.3869418286106128E-33,
+          0.0007753868845447831,
+          0.00019390578221787564,
+          2.3869418286106128e-33,
           0.0,
           0.0,
           0.0,
@@ -7507,9 +7507,9 @@
           0.0,
           0.0,
           0.0,
-          2.3869418286106128E-33,
-          1.9390578221787564E-4,
-          7.753868845448028E-4,
+          2.3869418286106128e-33,
+          0.00019390578221787564,
+          0.0007753868845448028,
           0.0017437348618278346,
           0.0030977699312192417,
           0.004835842409560085,
@@ -7922,9 +7922,9 @@
           360.0
          ],
          "y": [
-          2.3869418286106128E-33,
-          1.9390578221787564E-4,
-          7.753868845447634E-4,
+          2.3869418286106128e-33,
+          0.00019390578221787564,
+          0.0007753868845447634,
           0.0017437348618278346,
           0.0030977699312192417,
           0.004835842409560085,
@@ -8100,9 +8100,9 @@
           0.004835842409560085,
           0.0030977699312192417,
           0.0017437348618278047,
-          7.753868845447831E-4,
-          1.9390578221787564E-4,
-          2.3869418286106128E-33,
+          0.0007753868845447831,
+          0.00019390578221787564,
+          2.3869418286106128e-33,
           0.0,
           0.0,
           0.0,
@@ -8282,7 +8282,7 @@
           0.0,
           0.0,
           0.0,
-          2.3869418286106128E-33
+          2.3869418286106128e-33
          ]
         },
         {
@@ -8697,9 +8697,9 @@
           0.0,
           0.0,
           0.0,
-          2.3869418286106128E-33,
-          1.9390578221787564E-4,
-          7.753868845447634E-4,
+          2.3869418286106128e-33,
+          0.00019390578221787564,
+          0.0007753868845447634,
           0.0017437348618278346,
           0.0030977699312192417,
           0.004835842409560085,
@@ -8875,9 +8875,9 @@
           0.004835842409560085,
           0.0030977699312192417,
           0.0017437348618278047,
-          7.753868845447831E-4,
-          1.9390578221787564E-4,
-          2.3869418286106128E-33,
+          0.0007753868845447831,
+          0.00019390578221787564,
+          2.3869418286106128e-33,
           0.0,
           0.0,
           0.0,
@@ -9472,9 +9472,9 @@
           0.0,
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           0.0,
-          2.3869418286106128E-33,
-          1.9390578221787564E-4,
-          7.753868845447634E-4,
+          2.3869418286106128e-33,
+          0.00019390578221787564,
+          0.0007753868845447634,
           0.0017437348618278346,
           0.0030977699312192417,
           0.004835842409560085,
@@ -9650,9 +9650,9 @@
           0.004835842409560085,
           0.0030977699312192417,
           0.0017437348618278346,
-          7.753868845447634E-4,
-          1.9390578221787564E-4,
-          2.3869418286106128E-33,
+          0.0007753868845447634,
+          0.00019390578221787564,
+          2.3869418286106128e-33,
           0.0,
           0.0,
           0.0,
diff --git a/ship_model_lib/02_Propulsor.ipynb b/ship_model_lib/02_Propulsor.ipynb
index a257d3b..22fef70 100644
--- a/ship_model_lib/02_Propulsor.ipynb
+++ b/ship_model_lib/02_Propulsor.ipynb
@@ -1172,13 +1172,11 @@
   {
    "cell_type": "code",
    "execution_count": null,
+   "metadata": {},
    "outputs": [],
    "source": [
     "# test for get_propulsor_data_from_vessel_speed_thrust"
-   ],
-   "metadata": {
-    "collapsed": false
-   }
+   ]
   }
  ],
  "metadata": {
diff --git a/ship_model_lib/07_operation_profile_structure.ipynb b/ship_model_lib/07_operation_profile_structure.ipynb
index 938e3c8..eb02ec7 100644
--- a/ship_model_lib/07_operation_profile_structure.ipynb
+++ b/ship_model_lib/07_operation_profile_structure.ipynb
@@ -11,44 +11,31 @@
   },
   {
    "cell_type": "code",
-   "metadata": {
-    "ExecuteTime": {
-     "end_time": "2024-04-12T12:58:46.748209Z",
-     "start_time": "2024-04-12T12:58:46.671222Z"
-    }
-   },
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
    "source": [
     "#| default_exp operation_profile_structure\n",
     "%load_ext autoreload\n",
     "%autoreload 2"
-   ],
-   "outputs": [],
-   "execution_count": 1
+   ]
   },
   {
    "cell_type": "code",
-   "metadata": {
-    "ExecuteTime": {
-     "end_time": "2024-04-12T12:58:47.322207Z",
-     "start_time": "2024-04-12T12:58:46.750204Z"
-    }
-   },
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
    "source": [
     "#| hide\n",
     "from nbdev.showdoc import *\n",
     "from typing import Union"
-   ],
-   "outputs": [],
-   "execution_count": 2
+   ]
   },
   {
    "cell_type": "code",
-   "metadata": {
-    "ExecuteTime": {
-     "end_time": "2024-04-12T12:58:47.511209Z",
-     "start_time": "2024-04-12T12:58:47.323207Z"
-    }
-   },
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
    "source": [
     "#| export\n",
     "import numpy as np\n",
@@ -245,35 +232,25 @@
     "            'weather': self.weather.to_dict_scalar() if self.weather is not None else None,\n",
     "            'location': self.location.to_dict_scalar() if self.location is not None else None,\n",
     "        }"
-   ],
-   "outputs": [],
-   "execution_count": 3
+   ]
   },
   {
    "cell_type": "code",
-   "metadata": {
-    "ExecuteTime": {
-     "end_time": "2024-04-12T12:58:47.848204Z",
-     "start_time": "2024-04-12T12:58:47.513204Z"
-    }
-   },
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
    "source": [
     "#| hide\n",
     "import nbdev;\n",
     "\n",
     "nbdev.nbdev_export()"
-   ],
-   "outputs": [],
-   "execution_count": 4
+   ]
   },
   {
    "cell_type": "code",
-   "metadata": {
-    "ExecuteTime": {
-     "end_time": "2024-04-12T12:58:47.925204Z",
-     "start_time": "2024-04-12T12:58:47.849204Z"
-    }
-   },
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
    "source": [
     "from random import random\n",
     "\n",
@@ -294,18 +271,13 @@
     ")\n",
     "for key, value in data.items():\n",
     "    assert getattr(weather, key) == value"
-   ],
-   "outputs": [],
-   "execution_count": 5
+   ]
   },
   {
    "cell_type": "code",
-   "metadata": {
-    "ExecuteTime": {
-     "end_time": "2024-04-12T12:58:48.002205Z",
-     "start_time": "2024-04-12T12:58:47.926204Z"
-    }
-   },
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
    "source": [
     "operation_point = OperationPoint(\n",
     "    timestamp_seconds=123,\n",
@@ -318,22 +290,12 @@
     "        longitude=5.6,\n",
     "        latitude=4.2\n",
     "    ))"
-   ],
-   "outputs": [],
-   "execution_count": 6
+   ]
   },
   {
    "cell_type": "code",
-   "metadata": {
-    "ExecuteTime": {
-     "end_time": "2024-04-12T12:58:48.079205Z",
-     "start_time": "2024-04-12T12:58:48.003206Z"
-    }
-   },
-   "source": [
-    "print(operation_point.weather.to_dict())\n",
-    "print(operation_point.location.to_dict())"
-   ],
+   "execution_count": null,
+   "metadata": {},
    "outputs": [
     {
      "name": "stdout",
@@ -344,19 +306,15 @@
      ]
     }
    ],
-   "execution_count": 7
+   "source": [
+    "print(operation_point.weather.to_dict())\n",
+    "print(operation_point.location.to_dict())"
+   ]
   },
   {
    "cell_type": "code",
-   "metadata": {
-    "ExecuteTime": {
-     "end_time": "2024-04-12T12:58:48.156207Z",
-     "start_time": "2024-04-12T12:58:48.080205Z"
-    }
-   },
-   "source": [
-    "operation_point.to_dict_scalar()"
-   ],
+   "execution_count": null,
+   "metadata": {},
    "outputs": [
     {
      "data": {
@@ -378,19 +336,21 @@
        " 'location': {'longitude': 5.6, 'latitude': 4.2}}"
       ]
      },
-     "execution_count": 8,
+     "execution_count": null,
      "metadata": {},
      "output_type": "execute_result"
     }
    ],
-   "execution_count": 8
+   "source": [
+    "operation_point.to_dict_scalar()"
+   ]
   },
   {
    "cell_type": "code",
+   "execution_count": null,
    "metadata": {},
-   "source": [],
    "outputs": [],
-   "execution_count": null
+   "source": []
   }
  ],
  "metadata": {