62 lines
1.3 KiB
XML
62 lines
1.3 KiB
XML
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<?xml version="1.0"?>
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<!--
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Diameter: 76 in (1.93 m)
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Pitch: 62.5 in
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Calculated blade angle: 20° at 75% of the radius
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Data from NACA Report 640 : http://naca.central.cranfield.ac.uk/reports/1938/naca-report-640.pdf
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-->
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<propeller name="NACA 640 (5868-9) 76-inch 20deg Two-Blade Propeller">
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<ixx> 1.67 </ixx>
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<diameter unit="IN"> 76.0 </diameter>
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<numblades> 2 </numblades>
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<minpitch> 20 </minpitch>
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<maxpitch> 20 </maxpitch>
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<table name="C_THRUST" type="internal">
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<tableData>
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0 0.1040
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0.1 0.1040
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0.2 0.1030
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0.3 0.1010
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0.4 0.0930
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0.5 0.0820
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0.6 0.0700
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0.7 0.0550
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0.8 0.0390
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0.9 0.0240
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1 0.0060
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1.1 -0.0140
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1.2 -0.0330
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1.3 -0.0450
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1.5 -0.0600
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2 -0.0720
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3 -0.0800
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</tableData>
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</table>
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<table name="C_POWER" type = "internal">
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<tableData>
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0 0.0660
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0.1 0.0650
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0.2 0.0640
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0.3 0.0625
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0.4 0.0600
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0.5 0.0580
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0.6 0.0540
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0.7 0.0475
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0.8 0.0370
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0.9 0.0260
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1 0.0100
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1.1 0.0000
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1.2 -0.0100
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1.3 -0.0200
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1.5 -0.0350
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2 -0.0500
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3 -0.0550
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</tableData>
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</table>
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</propeller>
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