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      <title>Stone Impingement Wizard - Tire Data</title>
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      <div class="title_topic2" id="xps10_pagetitle">Stone Impingement Wizard - Tire Data</div>
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               <p class="para_td"> <a class="links" href="javascript:void(0)" onclick="top.openFile('bdydesign/stone_wiz.html');return(false);">Stone Impingement Wizard</a></p>
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            <td bgcolor="#f4f4f4" colspan="1" rowspan="1" width="33%">
               <p class="para_td"> <a class="links" href="javascript:void(0)" onclick="top.openFile('bdydesign/stone_steps.html');return(false);">Page Steps</a></p>
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               <p class="para_td"> <a class="links" href="javascript:void(0)" onclick="top.openFile('bdydesign/stone_proc.html');return(false);">Procedures</a></p>
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      </table><br><p class="para_topic">The first step in stone impingement is to input the tire data parameters necessary to define the location and direction where stones are directed to body faces. </p>
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            <p class="para_item">For procedures for this step, see the  <a class="links" href="javascript:void(0)" onclick="top.openFile('bdydesign/stone_proc.html');return(false);">Tire Data Step</a> in the Stone Impingement Wizard Procedures.
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            <th bgcolor="#c0c0c0" colspan="2" rowspan="1"><a name="stone_impingement_stone_tire_data_tire_data"></a><p class="para_th">Stone Impingement Wizard - Tire Data</p>
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               <p class="para_td">Free Tire Diameter</p>
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               <p class="para_td">Lets you specify the diameter of the tire with no loads applied.</p>
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               <p class="para_td">Static Load Radius</p>
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               <p class="para_td">Lets you specify the radius of the tire at static load condition.</p>
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               <p class="para_td">Tire Patch Width</p>
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               <p class="para_td">Lets you specify the width of the tire's contact with the ground.</p>
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               <p class="para_td">Full Thread Width</p>
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               <p class="para_td">Lets you specify the distance between the centers of the left and right tire patches.</p>
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               <p class="para_td">Z Coordinate of Ground</p>
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               <p class="para_td">Lets you specify the Z (height) coordinate of the ground when there is only one passenger.</p>
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            <td bgcolor="#f4f4f4" colspan="1" rowspan="1"><a name="stone_impingement_stone_tire_data_axle_point"></a><p class="para_td">Select Axle Center Line Point</p>
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               <p class="para_td">Lets you specify a single point through which the center of the axle passes at the design load condition.</p>
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               <p class="para_td">Illustration</p>
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               <p class="para_td">Shows an illustration of the current tire data. </p>
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               <p align="center"><img align="bottom" src="graphics/stone_tire_data.gif"></p>
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               <p class="para_th">Tire Data Example Illustration</p>
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               <p class="para_td">Tw = Full Thread Width</p>
               <p class="para_td">Pw = Tire Patch Width</p>
               <p class="para_td">D = Free Tire Diameter</p>
               <p class="para_td">r = Static Load Radius</p>
               <p class="para_td">H = Ground Height</p>
               <p class="para_td">If any of the parameters is invalid for the current model an error message displays with a summary of the problem.</p>
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