Re: Talking propellors
Posted: Fri May 20, 2016 4:33 am
Speaking of this, I so want some expansions to get JSB helicopters going. That would be really fun.
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0.606 * (0.3 * 2.915)^2 = 0.463 SLUG*FT2 (point mass)
(2 / 3) * 0.606 * 2.915^2 = 3.433 SLUG*FT2 (rod)
(0.606 / 2) * 2.915^2 = 2.575 SLUG*FT2 (disc)
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0.606 / 12 * 5.83^2 = 1.716 SLUG*FT2
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(2 / 3) * (0.606 / 2) * 2.915^2 = 1.716 SLUG * FT2
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McCauley 1A105-SCM-7053
Blades: 2
RPM (max): 2750
Diameter: 70" (5.83', 1.778m)
Spinner Diameter: 4 3/8" (0.11m)
Velocity (max): 110kt (57m/s)
Power (max): 100hp (75kW)
Weight: 19.5lb (0.606slug)
Geometric Pitch: 53" (1.346m, 17.8*)
Static RPM: 2300-2400
Moment of Inertia: 1.716slug*ft2
Sensenich 74DM6S5-0-60
Blades: 2
RPM (max): 2700
Diameter: 74" (6.16', 1.880m)
Spinner Diameter: 4 3/8" (0.11m)
Velocity (max): 120kt (62m/s)
Power (max): 150hp (112kW)
Weight: 34.5lb (1.072slug)
Geometric Pitch: 60" (1.524m, 19.0*)
Static RPM: 2200-2400
Moment of Inertia: 3.390slug*ft2
Sensenich 74DM655-0-62
Blades: 2
RPM (max): 2750
Diameter: 74" (6.16', 1.880m)
Spinner Diameter: 4 3/8" (0.11m)
Velocity (max): 120kt (62m/s)
Power (max): 160hp (119kW)
Weight: 34.5lb (1.072slug)
Geometric Pitch: 62" (1.575m, 19.6*)
Static RPM: 2200-2400
Moment of Inertia: 3.390slug*ft2
sanhozay wrote:
@Bomber, you gave a brilliant explanation of how to use JavaProp.
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<?xml version="1.0"?>
<JavaProp>
<OptionsCard>
<Count value="5"/>
<Density value="1.221"/>
<Viscosity value="1.4607E-5"/>
<SpeedOfSound value="340.29"/>
<Language value="en"/>
<Country value="US"/>
</OptionsCard>
<DesignCard>
<Count value="9"/>
<Name value="McCauley_1A105-SCM-7053"/>
<Blades value="2"/>
<RPM value="2750.0"/>
<Diameter value="1.778"/>
<Velocity value="57.0"/>
<PowerThrust value="75000.0"/>
<Spinner value="0.13"/>
<Design value="Power"/>
<Shrouded value="No"/>
<SquareTip value="No"/>
<OpenHub value="No"/>
</DesignCard>
<AirfoilsCard>
<Count value="4"/>
<AirfoilIndex value="9"/>
<AngleOfAttack value="3.0"/>
<AirfoilIndex value="10"/>
<AngleOfAttack value="3.0"/>
<AirfoilIndex value="11"/>
<AngleOfAttack value="3.0"/>
<AirfoilIndex value="13"/>
<AngleOfAttack value="3.0"/>
<ZeroDrag value="No"/>
</AirfoilsCard>
<GeometryCard>
<Count value="21"/>
<beta value="0.0"/>
<beta value="0.0"/>
<beta value="1.0470223799940044"/>
<beta value="0.9085645086788687"/>
<beta value="0.7931993616555554"/>
<beta value="0.6988623028323309"/>
<beta value="0.6220547139504232"/>
<beta value="0.5592639393709082"/>
<beta value="0.5075017508311436"/>
<beta value="0.4643962683778196"/>
<beta value="0.4281183883825201"/>
<beta value="0.39727059142975313"/>
<beta value="0.3707843216392971"/>
<beta value="0.3478377253031364"/>
<beta value="0.32779332762336066"/>
<beta value="0.31015190107157753"/>
<beta value="0.2945185762470889"/>
<beta value="0.2805779325512062"/>
<beta value="0.2680755990680819"/>
<beta value="0.2568045652492013"/>
<beta value="0.24659490937698567"/>
<chord value="0.0019292692515972185"/>
<chord value="0.0019292692515972185"/>
<chord value="0.09418302814893137"/>
<chord value="0.14461971094668213"/>
<chord value="0.1702003687038978"/>
<chord value="0.17519062140266753"/>
<chord value="0.1678626005318237"/>
<chord value="0.15871072898051825"/>
<chord value="0.15404742943431013"/>
<chord value="0.14696422279378274"/>
<chord value="0.1385977612290283"/>
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<chord value="0.07267674754184164"/>
<chord value="0.05454046296240341"/>
<chord value="0.002727023148120171"/>
</GeometryCard>
<ModifyCard>
<Count value="9"/>
<AngleDelta value="0.000"/>
<AngleScale value="1"/>
<ChordDelta value="0.0"/>
<ChordScale value="1.005"/>
<ChordTaper value="1.0"/>
<VelocityRoot value="1.0"/>
<RadiusRoot value="0.5"/>
<ThreadingLine value="33.0"/>
<ThicknessTE value="0.5"/>
</ModifyCard>
</JavaProp>