{ "X3D": {
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    "head": {
        "meta": [
          {
            "@name":"title",
            "@content":"H53eMainRotorHead.x3d"
          },
          {
            "@name":"description",
            "@content":"H-53E main rotor head assembly. Primative cylinder shapes for sleeve and spindle assemblies and pitch change rods inlined with 7 H-53E main rotor blades with extenders mounted on a cylindrical rotating swashplate, all topped off with a cone for a rotor cap. Dimensions in proportion with rotor head."
          },
          {
            "@name":"creator",
            "@content":"LT Terry D. Norbraten, USN"
          },
          {
            "@name":"created",
            "@content":"12 March 2004"
          },
          {
            "@name":"modified",
            "@content":"20 October 2019"
          },
          {
            "@name":"reference",
            "@content":"https://www.fas.org/man/dod-101/sys/ac/h-53.htm"
          },
          {
            "@name":"Image",
            "@content":"https://www.fas.org/man/dod-101/sys/ac/ch-53-2.jpg"
          },
          {
            "@name":"subject",
            "@content":"CH-53E Sea Stallion Main Rotor Head Assembly"
          },
          {
            "@name":"identifier",
            "@content":"https://www.web3d.org/x3d/content/examples/Savage/AircraftHelicopters/CH53UnitedStates/H53eMainRotorHead.x3d"
          },
          {
            "@name":"generator",
            "@content":"X3D-Edit 3.2, https://www.web3d.org/x3d/tools/X3D-Edit"
          },
          {
            "@name":"license",
            "@content":"../../license.html"
          },
          {
            "@name":"translated",
            "@content":"21 April 2026"
          },
          {
            "@name":"generator",
            "@content":"X3dToJson.xslt, https://www.web3d.org/x3d/stylesheets/X3dToJson.html"
          },
          {
            "@name":"reference",
            "@content":"X3D JSON encoding: https://www.web3d.org/wiki/index.php/X3D_JSON_Encoding"
          }
        ]
    },
    "Scene": {
        "-children":[
          { "WorldInfo":
            {
              "@title":"H53eMainRotorHead.x3d"
            }
          },
          { "Group":
            {
              "@DEF":"RotorHeadAssembly",
              "-children":[
                { "Transform":
                  {
                    "@translation":[0,-0.3,0],
                    "-children":[
                      { "Shape":
                        {
                          "@DEF":"RotatingSwashplate",
                          "-appearance":
                            { "Appearance":
                              {
                                "-material":
                                  { "Material":
                                    {
                                    }
                                  }
                              }
                            },
                          "-geometry":
                            { "Cylinder":
                              {
                                "@height":0.12,
                                "@radius":0.7
                              }
                            }
                        }
                      }
                    ]
                  }
                },
                {
                  "#comment":"This can be removed after completeion of the scene, or, be used as the hydrualic damper accumulator if lowered by translation."
                },
                { "Transform":
                  {
                    "@translation":[0,0.13,0],
                    "-children":[
                      { "Shape":
                        {
                          "@DEF":"RotorCap",
                          "-appearance":
                            { "Appearance":
                              {
                                "-material":
                                  { "Material":
                                    {
                                    }
                                  }
                              }
                            },
                          "-geometry":
                            { "Cone":
                              {
                                "@bottomRadius":0.7,
                                "@height":0.12
                              }
                            }
                        }
                      }
                    ]
                  }
                },
                { "Transform":
                  {
                    "@DEF":"DamperAccumulator",
                    "@translation":[0,-0.3,0],
                    "-children":[
                      { "Shape":
                        {
                          "@DEF":"Post",
                          "-appearance":
                            { "Appearance":
                              {
                                "-material":
                                  { "Material":
                                    {
                                      "@diffuseColor":[0.15,0.15,0.15],
                                      "@shininess":0.8,
                                      "@specularColor":[0.8,0.8,0.8]
                                    }
                                  }
                              }
                            },
                          "-geometry":
                            { "Cylinder":
                              {
                                "@height":0.7,
                                "@radius":0.07
                              }
                            }
                        }
                      }
                    ]
                  }
                },
                { "Transform":
                  {
                    "@DEF":"Sleeve_Spindle_Blade",
                    "@rotation":[1,0,0,1.571],
                    "@translation":[0,0,-0.47],
                    "-children":[
                      { "Shape":
                        {
                          "@DEF":"Blade1",
                          "-appearance":
                            { "Appearance":
                              {
                                "@DEF":"BLACK_SPECULAR_SHINY",
                                "-material":
                                  { "Material":
                                    {
                                      "@diffuseColor":[0.15,0.15,0.15],
                                      "@shininess":0.8,
                                      "@specularColor":[0.8,0.8,0.8]
                                    }
                                  }
                              }
                            },
                          "-geometry":
                            { "Cylinder":
                              {
                                "@height":0.7,
                                "@radius":0.07
                              }
                            }
                        }
                      },
                      { "Transform":
                        {
                          "@rotation":[1,0,0,1.571],
                          "@translation":[-0.06,-0.2,0.17],
                          "-children":[
                            { "Shape":
                              {
                                "@DEF":"PitchChangeRod",
                                "-appearance":
                                  { "Appearance":
                                    {
                                      "@USE":"BLACK_SPECULAR_SHINY"
                                    }
                                  },
                                "-geometry":
                                  { "Cylinder":
                                    {
                                      "@height":0.3,
                                      "@radius":0.01
                                    }
                                  }
                              }
                            }
                          ]
                        }
                      },
                      { "Transform":
                        {
                          "@rotation":[1,0,0,-1.571],
                          "@translation":[-0.2,-8.43,0],
                          "-children":[
                            { "Inline":
                              {
                                "@DEF":"MainRotorBlade",
                                "@url":["H53eMainRotorBlade.x3d","https://www.web3d.org/x3d/content/examples/Savage/AircraftHelicopters/CH53UnitedStates/H53eMainRotorBlade.x3d","H53eMainRotorBlade.wrl","https://www.web3d.org/x3d/content/examples/Savage/AircraftHelicopters/CH53UnitedStates/H53eMainRotorBlade.wrl"]
                              }
                            }
                          ]
                        }
                      }
                    ]
                  }
                },
                { "Transform":
                  {
                    "@DEF":"Blade2",
                    "@rotation":[0,1,0,0.8976],
                    "-children":[
                      { "Transform":
                        {
                          "@USE":"Sleeve_Spindle_Blade"
                        }
                      }
                    ]
                  }
                },
                { "Transform":
                  {
                    "@DEF":"Blade3",
                    "@rotation":[0,1,0,1.7952],
                    "-children":[
                      { "Transform":
                        {
                          "@USE":"Sleeve_Spindle_Blade"
                        }
                      }
                    ]
                  }
                },
                { "Transform":
                  {
                    "@DEF":"Blade4",
                    "@rotation":[0,1,0,2.6928],
                    "-children":[
                      { "Transform":
                        {
                          "@USE":"Sleeve_Spindle_Blade"
                        }
                      }
                    ]
                  }
                },
                { "Transform":
                  {
                    "@DEF":"Blade5",
                    "@rotation":[0,1,0,3.5904],
                    "-children":[
                      { "Transform":
                        {
                          "@USE":"Sleeve_Spindle_Blade"
                        }
                      }
                    ]
                  }
                },
                { "Transform":
                  {
                    "@DEF":"Blade6",
                    "@rotation":[0,1,0,4.488],
                    "-children":[
                      { "Transform":
                        {
                          "@USE":"Sleeve_Spindle_Blade"
                        }
                      }
                    ]
                  }
                },
                { "Transform":
                  {
                    "@DEF":"Blade7",
                    "@rotation":[0,1,0,5.3856],
                    "-children":[
                      { "Transform":
                        {
                          "@USE":"Sleeve_Spindle_Blade"
                        }
                      }
                    ]
                  }
                }
              ]
            }
          }
        ]
    }
  }
}