<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE X3D PUBLIC "ISO//Web3D//DTD X3D 3.0//EN" "http://www.web3d.org/specifications/x3d-3.0.dtd">
<X3D profile='Immersive' version='3.0'  xmlns:xsd='http://www.w3.org/2001/XMLSchema-instance' xsd:noNamespaceSchemaLocation =' http://www.web3d.org/specifications/x3d-3.0.xsd '>
<head>
<meta name='title' content='RotorHead.x3d'/>
<meta name='creator' content='Michael Collins'/>
<meta name='modifier' content='LT Terry D. Norbraten, USN'/>
<meta name='created' content='10 March 2001'/>
<meta name='modified' content='12 January 2014'/>
<meta name='description' content='A SH60F main rotorhead containing four main rotor blades, a central capping structure, central rotor mast and four pitch-control rods.'/>
<meta name=' warning ' content=' units in feet '/>
<meta name='generator' content='X3D-Edit 3.2, https://savage.nps.edu/X3D-Edit'/>
<meta name='identifier' content=' https://savage.nps.edu/Savage/AircraftHelicopters/SH60-Seahawk-UnitedStates/RotorHead.x3d '/>
<meta name='reference' content=' http://www.fas.org/man/dod-101/sys/ac/sh-60.htm '/>
<meta name='license' content=' ../../license.html'/>
</head>
<!--
Index for DEF nodes : Clock, MainRotorBlade, RotorHead, RotorPath
-->
<Scene>
<NavigationInfo speed='300'/>
<Background groundAngle='1.309 1.570796' groundColor='0.1 0.1 0 0.4 0.25 0.2 0.6 0.6 0.6' skyAngle='1.309 1.571' skyColor='0 0.2 0.7 0 0.5 1 1 1 1'/>
<!-- lower-resolution rotor transitions at 1, 10 km -->
<LOD range='3048 30480'>
<!-- ROUTE information for RotorHead node:  [from RotorPath.value_changed to set_rotation ] -->
 <Transform DEF='RotorHead'>
<Group>
<!-- Blades were oriented incorrectly. Flipped them over 180 degress to correct orientation. TDN -->
<Transform rotation='1 0 0 -1.571' translation='-19 0 1'>
<Inline DEF='MainRotorBlade'
  url=' "MainRotorBlade.x3d" "https://savage.nps.edu/Savage/AircraftHelicopters/SH60-Seahawk-UnitedStates/MainRotorBlade.x3d" "MainRotorBlade.wrl" "https://savage.nps.edu/Savage/AircraftHelicopters/SH60-Seahawk-UnitedStates/MainRotorBlade.wrl" '/>
<Transform rotation='0 0 1 3.142' translation='38 2 0'>
<Inline USE='MainRotorBlade'/>
</Transform>
<Transform rotation='0 0 1 4.713' translation='18 20 0'>
<Inline USE='MainRotorBlade'/>
</Transform>
<Transform rotation='0 0 1 1.571' translation='20 -18 0'>
<Inline USE='MainRotorBlade'/>
</Transform>
</Transform>
<Transform translation='0 -.8 0'>
<Shape>
<Cylinder radius='.5'/>
<Appearance>
<Material/>
</Appearance>
</Shape>
<Transform translation='0 -1 0'>
<Shape>
<Cylinder height='.2' radius='2.0'/>
<Appearance>
<Material/>
</Appearance>
</Shape>
</Transform>
<Transform translation='1.5 0 0'>
<Shape>
<Cylinder radius='.1'/>
<Appearance>
<Material/>
</Appearance>
</Shape>
</Transform>
<Transform translation='-1.5 0 0'>
<Shape>
<Cylinder radius='.1'/>
<Appearance>
<Material/>
</Appearance>
</Shape>
</Transform>
<Transform translation='0 0 1.5'>
<Shape>
<Cylinder radius='.1'/>
<Appearance>
<Material/>
</Appearance>
</Shape>
</Transform>
<Transform translation='0 0 -1.5'>
<Shape>
<Cylinder radius='.1'/>
<Appearance>
<Material/>
</Appearance>
</Shape>
</Transform>
</Transform>
<Transform translation='-2 .3 -2'>
<Inline
  url=' "Head.x3d" "https://savage.nps.edu/Savage/AircraftHelicopters/SH60-Seahawk-UnitedStates/Head.x3d" "Head.wrl" "https://savage.nps.edu/Savage/AircraftHelicopters/SH60-Seahawk-UnitedStates/Head.wrl" '/>
</Transform>
</Group>
<!-- ROUTE information for Clock node:  [from fraction_changed to RotorPath.set_fraction ] -->
 <TimeSensor DEF='Clock' cycleInterval='.3' loop='true'>
<!-- Added a cycleInterval and set to .3 to simulate a realistic spinning rotor- head. TDN -->
</TimeSensor>
<!-- ROUTE information for RotorPath node:  [from Clock.fraction_changed to set_fraction ] [from value_changed to RotorHead.set_rotation ] -->
 <OrientationInterpolator DEF='RotorPath' key='0.0 0.50 1.0' keyValue='0.0 1.0 0.0 -6.28 0.0 1.0 0.0 -3.14 0.0 1.0 0.0 0.00'>
<!-- Changed keyValues to negative to get the rotorhead to spin in the correct direction. TDN -->
</OrientationInterpolator>
</Transform>
<Transform>
<Shape>
<Cylinder height='1' radius='17'/>
<Appearance>
<Material transparency='0.8'/>
</Appearance>
</Shape>
</Transform>
<WorldInfo info='"null node"'/>
</LOD>
<ROUTE fromNode='Clock' fromField='fraction_changed' toNode='RotorPath' toField='set_fraction'/>
<ROUTE fromNode='RotorPath' fromField='value_changed' toNode='RotorHead' toField='set_rotation'/>
</Scene>
</X3D>
<!--
Index for DEF nodes : Clock, MainRotorBlade, RotorHead, RotorPath
-->

<!-- Color key: <X3dNode DEF='idName' field='value'/> matches <XmlElement DEF='idName' attribute='value'/>
(Light blue background: behavior node) (Grey background: inserted documentation) (Magenta background: X3D extensibility)
-->

<!-- Additional help information about X3D scenes: X3D Resources, X3D Scene Authoring Hints and X3D Tooltips -->