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NACA0006 (JF, WT, XF, NF)
NACA0008 (JF, XF, NF)
NACA0009 (JF, WT, XF, NF)
NACA0010 (JF, XF, NF)
NACA0012 (JF, WT, CFD, XF, NF)
NACA0013 (JF, XF, NF)
NACA0015 (JF, XF, NF)
NACA0016 (JF, XF, NF)
NACA0017 (JF, XF, NF)
NACA0018 (JF, XF, NF)
NACA0021 (JF, XF, NF)
NACA0024 (JF, XF, NF)
NACA0025 (JF, XF, NF)
NACA0030 (JF, XF, NF)
NACA1408 (JF, WT, XF, NF)
NACA1409 (JF, XF, NF)
NACA1410 (JF, WT, XF, NF)
NACA1412 (JF, WT, XF, NF)
NACA1415 (JF, XF, NF)
NACA1418 (JF, XF, NF)
NACA1420 (JF, XF, NF)
NACA1421 (JF, XF, NF)
NACA1424 (JF, XF, NF)
NACA2.4511 (JF, WT, XF, NF)
NACA2206 (JF, XF, NF)
NACA2209 (JF, XF, NF)
NACA2210 (JF, XF, NF)
NACA2212 (JF, XF, NF)
NACA2213 (JF, XF, NF)
NACA2215 (JF, XF, NF)
NACA2216 (JF, XF, NF)
NACA2218 (JF, XF, NF)
NACA2219 (JF, XF, NF)
NACA2221 (JF, XF, NF)
NACA2224 (JF, XF, NF)
NACA2309 (JF, XF, NF)
NACA2310 (JF, XF, NF)
NACA2312 (JF, XF, NF)
NACA2315 (JF, XF, NF)
NACA2317 (JF, XF, NF)
NACA2318 (JF, XF, NF)
NACA2321 (JF, XF, NF)
NACA2324 (JF, XF, NF)
NACA2408 (JF, XF, NF)
NACA2409 (JF, XF, NF)
NACA2410 (JF, XF, NF)
NACA2411 (JF, XF, NF)
NACA2412 (JF, WT, XF, NF)
NACA2414 (JF, WT, XF, NF)
NACA2415 (JF, WT, XF, NF)
NACA2416 (JF, XF, NF)
NACA2417 (JF, XF, NF)
NACA2418 (JF, WT, XF, NF)
NACA2421 (JF, WT, XF, NF)
NACA2424 (JF, WT, XF, NF)
NACA3409 (JF, XF, NF)
NACA3410 (JF, XF, NF)
NACA3412 (JF, XF, NF)
NACA3413 (JF, XF, NF)
NACA3414 (JF, XF, NF)
NACA3415 (JF, XF, NF)
NACA3418 (JF, XF, NF)
NACA3421 (JF, XF, NF)
NACA4312 (JF, XF, NF)
NACA4315 (JF, XF, NF)
NACA4318 (JF, XF, NF)
NACA4321 (JF, XF, NF)
NACA4324 (JF, XF, NF)
NACA4409 (JF, XF, NF)
NACA4410 (JF, XF, NF)
NACA4412 (JF, WT, XF, NF)
NACA4413 (JF, XF, NF)
NACA4415 (JF, WT, XF, NF)
NACA4416 (JF, XF, NF)
NACA4418 (JF, WT, XF, NF)
NACA4421 (JF, WT, XF, NF)
NACA4424 (JF, WT, XF, NF)
NACA5509 (JF, XF, NF)
NACA5510 (JF, XF, NF)
NACA5512 (JF, XF, NF)
NACA5514 (JF, XF, NF)
NACA5515 (JF, XF, NF)
NACA5518 (JF, XF, NF)
NACA5521 (JF, XF, NF)
NACA5524 (JF, XF, NF)
NACA6209 (JF, XF, NF)
NACA6210 (JF, XF, NF)
NACA6212 (JF, XF, NF)
NACA6215 (JF, XF, NF)
NACA6218 (JF, XF, NF)
NACA6221 (JF, XF, NF)
NACA6224 (JF, XF, NF)
NACA6409 (JF, WT, XF, NF)
NACA6410 (JF, XF, NF)
NACA6412 (JF, XF, NF)
NACA6415 (JF, XF, NF)
NACA6418 (JF, XF, NF)
NACA6421 (JF, XF, NF)
NACA6424 (JF, XF, NF)




S3021-095-84


New! Bulk download of polars in Excel format: s3021.xlsx


Info | DAT and DXF files | Shape | Venkataraman Fit | Applications (0) | Similarly shaped airfoils
Plain Flapped Shapes: 25% flap chord | 30% flap chord | 35% flap chord | 40% flap chord
Basic Data: cl vs α | cd vs α | cm vs α | cl/cd vs α | cd vs cl | cl/cd vs cl | cl vs cd | cm vs cl | Curve fits | Lift curve slopes
Data source comparison (Codes, CFD, Wind tunnel)
Compressibility Effects: cl vs α | cd vs α | cm vs α | cl/cd vs α | cd vs cl | cl/cd vs cl | cl vs cd | cm vs cl
Roughness Effects: cl vs α | cd vs α | cm vs α | cl/cd vs α | cd vs cl | cl/cd vs cl | cl vs cd | cm vs cl
Plain Flap Effects: cl,max vs flap deflection: all flap chords | 25% flap chord | 30% flap chord | 35% flap chord | 40% flap chord
Plain Flap Effects: cl vs α for various flap deflections: 25% flap chord | 30% flap chord | 35% flap chord | 40% flap chord
Plain Flap Effects: cm vs α for various flap deflections: 25% flap chord | 30% flap chord | 35% flap chord | 40% flap chord
Plain Flap Effects: cd vs α for various flap deflections: 25% flap chord | 30% flap chord | 35% flap chord | 40% flap chord

Disclaimer: All information presented herein is delivered without guarantee or warranty of any kind. The user assumes the entire risk of use of this information.

−20−1001020−0.500.51
Re 50k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 50k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 50k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 50k, Mach 0.00, XFOIL ncrit=9Re 50k, Mach 0.10, XFOIL ncrit=9Re 50k, Mach 0.25, XFOIL ncrit=9Re 59.79k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 58.80k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 58.80k, Mach <=0.25Section lift coefficient vs angle of attackAngle of Attack (deg)Section Lift Coefficient c​l
−20−100102000.511.5
Re 50k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 50k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 50k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 50k, Mach 0.00, XFOIL ncrit=9Re 50k, Mach 0.10, XFOIL ncrit=9Re 50k, Mach 0.25, XFOIL ncrit=9Re 58.80k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 58.80k, Mach <=0.25Section drag coefficient vs angle of attackAngle of Attack (deg)Section Drag Coefficient c​d
−20−1001020−0.1−0.0500.05
Re 50k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 50k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 50k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 50k, Mach 0.00, XFOIL ncrit=9Re 50k, Mach 0.10, XFOIL ncrit=9Re 50k, Mach 0.25, XFOIL ncrit=9S3021-095-84Data for smooth airfoil at Re 58.80k, Mach <=0.25Section moment coefficient vs angle of attackAngle of Attack (deg)Section Moment Coefficient c​m
−20−1001020−10010203040
Re 50k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 50k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 50k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 50k, Mach 0.00, XFOIL ncrit=9Re 50k, Mach 0.10, XFOIL ncrit=9Re 50k, Mach 0.25, XFOIL ncrit=9Re 58.80k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 58.80k, Mach <=0.25Section lift/drag ratio vs angle of attackAngle of Attack (deg)Section Lift/Drag Coefficient c​l/c​d
−0.500.5100.511.5
Re 50k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 50k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 50k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 50k, Mach 0.00, XFOIL ncrit=9Re 50k, Mach 0.10, XFOIL ncrit=9Re 50k, Mach 0.25, XFOIL ncrit=9Re 58.80k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 58.80k, Mach <=0.25Section drag coefficient vs section lift coefficientSection Lift Coefficient c​lSection Drag Coefficient c​d
−0.500.51−10010203040
Re 50k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 50k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 50k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 50k, Mach 0.00, XFOIL ncrit=9Re 50k, Mach 0.10, XFOIL ncrit=9Re 50k, Mach 0.25, XFOIL ncrit=9Re 58.80k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 58.80k, Mach <=0.25Section lift/drag ratio vs section lift coefficientSection Lift Coefficient c​lSection Lift/Drag Coefficient c​l/c​d
00.511.5−0.500.51
Re 50k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 50k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 50k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 50k, Mach 0.00, XFOIL ncrit=9Re 50k, Mach 0.10, XFOIL ncrit=9Re 50k, Mach 0.25, XFOIL ncrit=9Re 58.80k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 58.80k, Mach <=0.25Section lift coefficient vs section drag coefficientSection Drag Coefficient c​dSection Lift Coefficient c​l

−20−1001020−0.500.51
Re 50k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 50k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 50k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 50k, Mach 0.00, XFOIL ncrit=9Re 50k, Mach 0.10, XFOIL ncrit=9Re 50k, Mach 0.25, XFOIL ncrit=9Re 59.79k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 58.80k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 59.79k, Mach <=0.25Section lift coefficient vs angle of attackAngle of Attack (deg)Section Lift Coefficient c​l
−20−100102000.511.5
Re 50k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 50k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 50k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 50k, Mach 0.00, XFOIL ncrit=9Re 50k, Mach 0.10, XFOIL ncrit=9Re 50k, Mach 0.25, XFOIL ncrit=9Re 58.80k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 59.79k, Mach <=0.25Section drag coefficient vs angle of attackAngle of Attack (deg)Section Drag Coefficient c​d
−20−1001020−0.1−0.0500.05
Re 50k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 50k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 50k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 50k, Mach 0.00, XFOIL ncrit=9Re 50k, Mach 0.10, XFOIL ncrit=9Re 50k, Mach 0.25, XFOIL ncrit=9S3021-095-84Data for smooth airfoil at Re 59.79k, Mach <=0.25Section moment coefficient vs angle of attackAngle of Attack (deg)Section Moment Coefficient c​m
−20−1001020−10010203040
Re 50k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 50k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 50k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 50k, Mach 0.00, XFOIL ncrit=9Re 50k, Mach 0.10, XFOIL ncrit=9Re 50k, Mach 0.25, XFOIL ncrit=9Re 58.80k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 59.79k, Mach <=0.25Section lift/drag ratio vs angle of attackAngle of Attack (deg)Section Lift/Drag Coefficient c​l/c​d
−0.500.5100.511.5
Re 50k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 50k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 50k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 50k, Mach 0.00, XFOIL ncrit=9Re 50k, Mach 0.10, XFOIL ncrit=9Re 50k, Mach 0.25, XFOIL ncrit=9Re 58.80k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 59.79k, Mach <=0.25Section drag coefficient vs section lift coefficientSection Lift Coefficient c​lSection Drag Coefficient c​d
−0.500.51−10010203040
Re 50k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 50k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 50k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 50k, Mach 0.00, XFOIL ncrit=9Re 50k, Mach 0.10, XFOIL ncrit=9Re 50k, Mach 0.25, XFOIL ncrit=9Re 58.80k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 59.79k, Mach <=0.25Section lift/drag ratio vs section lift coefficientSection Lift Coefficient c​lSection Lift/Drag Coefficient c​l/c​d
00.511.5−0.500.51
Re 50k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 50k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 50k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 50k, Mach 0.00, XFOIL ncrit=9Re 50k, Mach 0.10, XFOIL ncrit=9Re 50k, Mach 0.25, XFOIL ncrit=9Re 58.80k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 59.79k, Mach <=0.25Section lift coefficient vs section drag coefficientSection Drag Coefficient c​dSection Lift Coefficient c​l

010−0.500.51
Re 79.82k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 99.50k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 99.30k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 79.82k, Mach <=0.25Section lift coefficient vs angle of attackAngle of Attack (deg)Section Lift Coefficient c​l
−505100.0150.020.0250.030.035
Re 99.50k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 99.30k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 79.82k, Mach <=0.25Section drag coefficient vs angle of attackAngle of Attack (deg)Section Drag Coefficient c​d
−10123456−101234
S3021-095-84Data for smooth airfoil at Re 79.82k, Mach <=0.25Section moment coefficient vs angle of attackAngle of Attack (deg)Section Moment Coefficient c​m
−50510−1001020304050
Re 99.50k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 99.30k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 79.82k, Mach <=0.25Section lift/drag ratio vs angle of attackAngle of Attack (deg)Section Lift/Drag Coefficient c​l/c​d
00.510.0150.020.0250.030.035
Re 99.50k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 99.30k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 79.82k, Mach <=0.25Section drag coefficient vs section lift coefficientSection Lift Coefficient c​lSection Drag Coefficient c​d
00.51−1001020304050
Re 99.50k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 99.30k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 79.82k, Mach <=0.25Section lift/drag ratio vs section lift coefficientSection Lift Coefficient c​lSection Lift/Drag Coefficient c​l/c​d
0.020.03−0.200.20.40.60.811.2
Re 99.50k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 99.30k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 79.82k, Mach <=0.25Section lift coefficient vs section drag coefficientSection Drag Coefficient c​dSection Lift Coefficient c​l

−20−1001020−0.500.51
Re 100k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.00, XFOIL ncrit=9Re 100k, Mach 0.10, XFOIL ncrit=9Re 100k, Mach 0.25, XFOIL ncrit=9Re 79.82k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 101.57k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 99.50k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 99.30k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 99.30k, Mach <=0.25Section lift coefficient vs angle of attackAngle of Attack (deg)Section Lift Coefficient c​l
−20−100102000.10.20.30.40.5
Re 100k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.00, XFOIL ncrit=9Re 100k, Mach 0.10, XFOIL ncrit=9Re 100k, Mach 0.25, XFOIL ncrit=9Re 99.50k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 99.30k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 99.30k, Mach <=0.25Section drag coefficient vs angle of attackAngle of Attack (deg)Section Drag Coefficient c​d
−20−1001020−0.08−0.06−0.04−0.0200.020.04
Re 100k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.00, XFOIL ncrit=9Re 100k, Mach 0.10, XFOIL ncrit=9Re 100k, Mach 0.25, XFOIL ncrit=9S3021-095-84Data for smooth airfoil at Re 99.30k, Mach <=0.25Section moment coefficient vs angle of attackAngle of Attack (deg)Section Moment Coefficient c​m
−20−1001020−100102030405060
Re 100k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.00, XFOIL ncrit=9Re 100k, Mach 0.10, XFOIL ncrit=9Re 100k, Mach 0.25, XFOIL ncrit=9Re 99.50k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 99.30k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 99.30k, Mach <=0.25Section lift/drag ratio vs angle of attackAngle of Attack (deg)Section Lift/Drag Coefficient c​l/c​d
−0.500.5100.10.20.30.40.5
Re 100k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.00, XFOIL ncrit=9Re 100k, Mach 0.10, XFOIL ncrit=9Re 100k, Mach 0.25, XFOIL ncrit=9Re 99.50k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 99.30k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 99.30k, Mach <=0.25Section drag coefficient vs section lift coefficientSection Lift Coefficient c​lSection Drag Coefficient c​d
−0.500.51−100102030405060
Re 100k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.00, XFOIL ncrit=9Re 100k, Mach 0.10, XFOIL ncrit=9Re 100k, Mach 0.25, XFOIL ncrit=9Re 99.50k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 99.30k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 99.30k, Mach <=0.25Section lift/drag ratio vs section lift coefficientSection Lift Coefficient c​lSection Lift/Drag Coefficient c​l/c​d
00.20.4−0.500.51
Re 100k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.00, XFOIL ncrit=9Re 100k, Mach 0.10, XFOIL ncrit=9Re 100k, Mach 0.25, XFOIL ncrit=9Re 99.50k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 99.30k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 99.30k, Mach <=0.25Section lift coefficient vs section drag coefficientSection Drag Coefficient c​dSection Lift Coefficient c​l

−20−1001020−0.500.51
Re 100k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.00, XFOIL ncrit=9Re 100k, Mach 0.10, XFOIL ncrit=9Re 100k, Mach 0.25, XFOIL ncrit=9Re 79.82k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 101.57k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 99.50k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 99.30k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 99.50k, Mach <=0.25Section lift coefficient vs angle of attackAngle of Attack (deg)Section Lift Coefficient c​l
−20−100102000.10.20.30.40.5
Re 100k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.00, XFOIL ncrit=9Re 100k, Mach 0.10, XFOIL ncrit=9Re 100k, Mach 0.25, XFOIL ncrit=9Re 99.50k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 99.30k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 99.50k, Mach <=0.25Section drag coefficient vs angle of attackAngle of Attack (deg)Section Drag Coefficient c​d
−20−1001020−0.08−0.06−0.04−0.0200.020.04
Re 100k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.00, XFOIL ncrit=9Re 100k, Mach 0.10, XFOIL ncrit=9Re 100k, Mach 0.25, XFOIL ncrit=9S3021-095-84Data for smooth airfoil at Re 99.50k, Mach <=0.25Section moment coefficient vs angle of attackAngle of Attack (deg)Section Moment Coefficient c​m
−20−1001020−100102030405060
Re 100k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.00, XFOIL ncrit=9Re 100k, Mach 0.10, XFOIL ncrit=9Re 100k, Mach 0.25, XFOIL ncrit=9Re 99.50k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 99.30k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 99.50k, Mach <=0.25Section lift/drag ratio vs angle of attackAngle of Attack (deg)Section Lift/Drag Coefficient c​l/c​d
−0.500.5100.10.20.30.40.5
Re 100k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.00, XFOIL ncrit=9Re 100k, Mach 0.10, XFOIL ncrit=9Re 100k, Mach 0.25, XFOIL ncrit=9Re 99.50k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 99.30k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 99.50k, Mach <=0.25Section drag coefficient vs section lift coefficientSection Lift Coefficient c​lSection Drag Coefficient c​d
−0.500.51−100102030405060
Re 100k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.00, XFOIL ncrit=9Re 100k, Mach 0.10, XFOIL ncrit=9Re 100k, Mach 0.25, XFOIL ncrit=9Re 99.50k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 99.30k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 99.50k, Mach <=0.25Section lift/drag ratio vs section lift coefficientSection Lift Coefficient c​lSection Lift/Drag Coefficient c​l/c​d
00.20.4−0.500.51
Re 100k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.00, XFOIL ncrit=9Re 100k, Mach 0.10, XFOIL ncrit=9Re 100k, Mach 0.25, XFOIL ncrit=9Re 99.50k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 99.30k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 99.50k, Mach <=0.25Section lift coefficient vs section drag coefficientSection Drag Coefficient c​dSection Lift Coefficient c​l

−20−1001020−0.500.51
Re 100k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.00, XFOIL ncrit=9Re 100k, Mach 0.10, XFOIL ncrit=9Re 100k, Mach 0.25, XFOIL ncrit=9Re 79.82k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 101.57k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 99.50k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 99.30k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 101.57k, Mach <=0.25Section lift coefficient vs angle of attackAngle of Attack (deg)Section Lift Coefficient c​l
−20−100102000.10.20.30.40.5
Re 100k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.00, XFOIL ncrit=9Re 100k, Mach 0.10, XFOIL ncrit=9Re 100k, Mach 0.25, XFOIL ncrit=9Re 99.50k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 99.30k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 101.57k, Mach <=0.25Section drag coefficient vs angle of attackAngle of Attack (deg)Section Drag Coefficient c​d
−20−1001020−0.08−0.06−0.04−0.0200.020.04
Re 100k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.00, XFOIL ncrit=9Re 100k, Mach 0.10, XFOIL ncrit=9Re 100k, Mach 0.25, XFOIL ncrit=9S3021-095-84Data for smooth airfoil at Re 101.57k, Mach <=0.25Section moment coefficient vs angle of attackAngle of Attack (deg)Section Moment Coefficient c​m
−20−1001020−100102030405060
Re 100k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.00, XFOIL ncrit=9Re 100k, Mach 0.10, XFOIL ncrit=9Re 100k, Mach 0.25, XFOIL ncrit=9Re 99.50k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 99.30k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 101.57k, Mach <=0.25Section lift/drag ratio vs angle of attackAngle of Attack (deg)Section Lift/Drag Coefficient c​l/c​d
−0.500.5100.10.20.30.40.5
Re 100k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.00, XFOIL ncrit=9Re 100k, Mach 0.10, XFOIL ncrit=9Re 100k, Mach 0.25, XFOIL ncrit=9Re 99.50k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 99.30k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 101.57k, Mach <=0.25Section drag coefficient vs section lift coefficientSection Lift Coefficient c​lSection Drag Coefficient c​d
−0.500.51−100102030405060
Re 100k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.00, XFOIL ncrit=9Re 100k, Mach 0.10, XFOIL ncrit=9Re 100k, Mach 0.25, XFOIL ncrit=9Re 99.50k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 99.30k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 101.57k, Mach <=0.25Section lift/drag ratio vs section lift coefficientSection Lift Coefficient c​lSection Lift/Drag Coefficient c​l/c​d
00.20.4−0.500.51
Re 100k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 100k, Mach 0.00, XFOIL ncrit=9Re 100k, Mach 0.10, XFOIL ncrit=9Re 100k, Mach 0.25, XFOIL ncrit=9Re 99.50k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 99.30k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 101.57k, Mach <=0.25Section lift coefficient vs section drag coefficientSection Drag Coefficient c​dSection Lift Coefficient c​l

051000.20.40.60.811.2
Re 149.30k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 149.30k, Mach <=0.25Section lift coefficient vs angle of attackAngle of Attack (deg)Section Lift Coefficient c​l
05100.010.0150.020.0250.030.035
Re 149.30k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 149.30k, Mach <=0.25Section drag coefficient vs angle of attackAngle of Attack (deg)Section Drag Coefficient c​d
−10123456−101234
S3021-095-84Data for smooth airfoil at Re 149.30k, Mach <=0.25Section moment coefficient vs angle of attackAngle of Attack (deg)Section Moment Coefficient c​m
051001020304050
Re 149.30k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 149.30k, Mach <=0.25Section lift/drag ratio vs angle of attackAngle of Attack (deg)Section Lift/Drag Coefficient c​l/c​d
00.510.010.0150.020.0250.030.035
Re 149.30k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 149.30k, Mach <=0.25Section drag coefficient vs section lift coefficientSection Lift Coefficient c​lSection Drag Coefficient c​d
00.5101020304050
Re 149.30k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 149.30k, Mach <=0.25Section lift/drag ratio vs section lift coefficientSection Lift Coefficient c​lSection Lift/Drag Coefficient c​l/c​d
0.010.020.0300.20.40.60.811.2
Re 149.30k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 149.30k, Mach <=0.25Section lift coefficient vs section drag coefficientSection Drag Coefficient c​dSection Lift Coefficient c​l

−20−1001020−0.500.51
Re 250k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.00, XFOIL ncrit=9Re 250k, Mach 0.10, XFOIL ncrit=9Re 250k, Mach 0.25, XFOIL ncrit=9Re 200.60k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 201.30k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 200.60k, Mach <=0.25Section lift coefficient vs angle of attackAngle of Attack (deg)Section Lift Coefficient c​l
−20−100102000.050.10.150.20.25
Re 250k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.00, XFOIL ncrit=9Re 250k, Mach 0.10, XFOIL ncrit=9Re 250k, Mach 0.25, XFOIL ncrit=9Re 200.60k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 201.30k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 200.60k, Mach <=0.25Section drag coefficient vs angle of attackAngle of Attack (deg)Section Drag Coefficient c​d
−20−1001020−0.08−0.06−0.04−0.0200.020.04
Re 250k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.00, XFOIL ncrit=9Re 250k, Mach 0.10, XFOIL ncrit=9Re 250k, Mach 0.25, XFOIL ncrit=9S3021-095-84Data for smooth airfoil at Re 200.60k, Mach <=0.25Section moment coefficient vs angle of attackAngle of Attack (deg)Section Moment Coefficient c​m
−20−1001020020406080100
Re 250k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.00, XFOIL ncrit=9Re 250k, Mach 0.10, XFOIL ncrit=9Re 250k, Mach 0.25, XFOIL ncrit=9Re 200.60k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 201.30k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 200.60k, Mach <=0.25Section lift/drag ratio vs angle of attackAngle of Attack (deg)Section Lift/Drag Coefficient c​l/c​d
−0.500.5100.050.10.150.20.25
Re 250k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.00, XFOIL ncrit=9Re 250k, Mach 0.10, XFOIL ncrit=9Re 250k, Mach 0.25, XFOIL ncrit=9Re 200.60k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 201.30k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 200.60k, Mach <=0.25Section drag coefficient vs section lift coefficientSection Lift Coefficient c​lSection Drag Coefficient c​d
−0.500.51020406080100
Re 250k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.00, XFOIL ncrit=9Re 250k, Mach 0.10, XFOIL ncrit=9Re 250k, Mach 0.25, XFOIL ncrit=9Re 200.60k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 201.30k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 200.60k, Mach <=0.25Section lift/drag ratio vs section lift coefficientSection Lift Coefficient c​lSection Lift/Drag Coefficient c​l/c​d
00.10.2−0.500.51
Re 250k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.00, XFOIL ncrit=9Re 250k, Mach 0.10, XFOIL ncrit=9Re 250k, Mach 0.25, XFOIL ncrit=9Re 200.60k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 201.30k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 200.60k, Mach <=0.25Section lift coefficient vs section drag coefficientSection Drag Coefficient c​dSection Lift Coefficient c​l

−20−1001020−0.500.51
Re 250k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.00, XFOIL ncrit=9Re 250k, Mach 0.10, XFOIL ncrit=9Re 250k, Mach 0.25, XFOIL ncrit=9Re 200.60k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 201.30k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 201.30k, Mach <=0.25Section lift coefficient vs angle of attackAngle of Attack (deg)Section Lift Coefficient c​l
−20−100102000.050.10.150.20.25
Re 250k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.00, XFOIL ncrit=9Re 250k, Mach 0.10, XFOIL ncrit=9Re 250k, Mach 0.25, XFOIL ncrit=9Re 200.60k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 201.30k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 201.30k, Mach <=0.25Section drag coefficient vs angle of attackAngle of Attack (deg)Section Drag Coefficient c​d
−20−1001020−0.08−0.06−0.04−0.0200.020.04
Re 250k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.00, XFOIL ncrit=9Re 250k, Mach 0.10, XFOIL ncrit=9Re 250k, Mach 0.25, XFOIL ncrit=9S3021-095-84Data for smooth airfoil at Re 201.30k, Mach <=0.25Section moment coefficient vs angle of attackAngle of Attack (deg)Section Moment Coefficient c​m
−20−1001020020406080100
Re 250k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.00, XFOIL ncrit=9Re 250k, Mach 0.10, XFOIL ncrit=9Re 250k, Mach 0.25, XFOIL ncrit=9Re 200.60k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 201.30k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 201.30k, Mach <=0.25Section lift/drag ratio vs angle of attackAngle of Attack (deg)Section Lift/Drag Coefficient c​l/c​d
−0.500.5100.050.10.150.20.25
Re 250k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.00, XFOIL ncrit=9Re 250k, Mach 0.10, XFOIL ncrit=9Re 250k, Mach 0.25, XFOIL ncrit=9Re 200.60k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 201.30k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 201.30k, Mach <=0.25Section drag coefficient vs section lift coefficientSection Lift Coefficient c​lSection Drag Coefficient c​d
−0.500.51020406080100
Re 250k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.00, XFOIL ncrit=9Re 250k, Mach 0.10, XFOIL ncrit=9Re 250k, Mach 0.25, XFOIL ncrit=9Re 200.60k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 201.30k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 201.30k, Mach <=0.25Section lift/drag ratio vs section lift coefficientSection Lift Coefficient c​lSection Lift/Drag Coefficient c​l/c​d
00.10.2−0.500.51
Re 250k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.00, XFOIL ncrit=9Re 250k, Mach 0.10, XFOIL ncrit=9Re 250k, Mach 0.25, XFOIL ncrit=9Re 200.60k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 201.30k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 201.30k, Mach <=0.25Section lift coefficient vs section drag coefficientSection Drag Coefficient c​dSection Lift Coefficient c​l

−20−1001020−0.500.51
Re 250k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.00, XFOIL ncrit=9Re 250k, Mach 0.10, XFOIL ncrit=9Re 250k, Mach 0.25, XFOIL ncrit=9Re 303.70k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 304.80k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 303.70k, Mach <=0.25Section lift coefficient vs angle of attackAngle of Attack (deg)Section Lift Coefficient c​l
−20−100102000.050.10.150.20.25
Re 250k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.00, XFOIL ncrit=9Re 250k, Mach 0.10, XFOIL ncrit=9Re 250k, Mach 0.25, XFOIL ncrit=9Re 303.70k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 304.80k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 303.70k, Mach <=0.25Section drag coefficient vs angle of attackAngle of Attack (deg)Section Drag Coefficient c​d
−20−1001020−0.08−0.06−0.04−0.0200.020.04
Re 250k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.00, XFOIL ncrit=9Re 250k, Mach 0.10, XFOIL ncrit=9Re 250k, Mach 0.25, XFOIL ncrit=9S3021-095-84Data for smooth airfoil at Re 303.70k, Mach <=0.25Section moment coefficient vs angle of attackAngle of Attack (deg)Section Moment Coefficient c​m
−20−1001020020406080100
Re 250k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.00, XFOIL ncrit=9Re 250k, Mach 0.10, XFOIL ncrit=9Re 250k, Mach 0.25, XFOIL ncrit=9Re 303.70k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 304.80k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 303.70k, Mach <=0.25Section lift/drag ratio vs angle of attackAngle of Attack (deg)Section Lift/Drag Coefficient c​l/c​d
−0.500.5100.050.10.150.20.25
Re 250k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.00, XFOIL ncrit=9Re 250k, Mach 0.10, XFOIL ncrit=9Re 250k, Mach 0.25, XFOIL ncrit=9Re 303.70k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 304.80k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 303.70k, Mach <=0.25Section drag coefficient vs section lift coefficientSection Lift Coefficient c​lSection Drag Coefficient c​d
−0.500.51020406080100
Re 250k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.00, XFOIL ncrit=9Re 250k, Mach 0.10, XFOIL ncrit=9Re 250k, Mach 0.25, XFOIL ncrit=9Re 303.70k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 304.80k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 303.70k, Mach <=0.25Section lift/drag ratio vs section lift coefficientSection Lift Coefficient c​lSection Lift/Drag Coefficient c​l/c​d
00.10.2−0.500.51
Re 250k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.00, XFOIL ncrit=9Re 250k, Mach 0.10, XFOIL ncrit=9Re 250k, Mach 0.25, XFOIL ncrit=9Re 303.70k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 304.80k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 303.70k, Mach <=0.25Section lift coefficient vs section drag coefficientSection Drag Coefficient c​dSection Lift Coefficient c​l

−20−1001020−0.500.51
Re 250k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.00, XFOIL ncrit=9Re 250k, Mach 0.10, XFOIL ncrit=9Re 250k, Mach 0.25, XFOIL ncrit=9Re 303.70k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 304.80k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 304.80k, Mach <=0.25Section lift coefficient vs angle of attackAngle of Attack (deg)Section Lift Coefficient c​l
−20−100102000.050.10.150.20.25
Re 250k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.00, XFOIL ncrit=9Re 250k, Mach 0.10, XFOIL ncrit=9Re 250k, Mach 0.25, XFOIL ncrit=9Re 303.70k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 304.80k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 304.80k, Mach <=0.25Section drag coefficient vs angle of attackAngle of Attack (deg)Section Drag Coefficient c​d
−20−1001020−0.08−0.06−0.04−0.0200.020.04
Re 250k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.00, XFOIL ncrit=9Re 250k, Mach 0.10, XFOIL ncrit=9Re 250k, Mach 0.25, XFOIL ncrit=9S3021-095-84Data for smooth airfoil at Re 304.80k, Mach <=0.25Section moment coefficient vs angle of attackAngle of Attack (deg)Section Moment Coefficient c​m
−20−1001020020406080100
Re 250k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.00, XFOIL ncrit=9Re 250k, Mach 0.10, XFOIL ncrit=9Re 250k, Mach 0.25, XFOIL ncrit=9Re 303.70k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 304.80k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 304.80k, Mach <=0.25Section lift/drag ratio vs angle of attackAngle of Attack (deg)Section Lift/Drag Coefficient c​l/c​d
−0.500.5100.050.10.150.20.25
Re 250k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.00, XFOIL ncrit=9Re 250k, Mach 0.10, XFOIL ncrit=9Re 250k, Mach 0.25, XFOIL ncrit=9Re 303.70k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 304.80k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 304.80k, Mach <=0.25Section drag coefficient vs section lift coefficientSection Lift Coefficient c​lSection Drag Coefficient c​d
−0.500.51020406080100
Re 250k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.00, XFOIL ncrit=9Re 250k, Mach 0.10, XFOIL ncrit=9Re 250k, Mach 0.25, XFOIL ncrit=9Re 303.70k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 304.80k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 304.80k, Mach <=0.25Section lift/drag ratio vs section lift coefficientSection Lift Coefficient c​lSection Lift/Drag Coefficient c​l/c​d
00.10.2−0.500.51
Re 250k, Mach 0.00, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.10, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.25, JavaFoil+Calcfoil stall+Eppler ext transitionRe 250k, Mach 0.00, XFOIL ncrit=9Re 250k, Mach 0.10, XFOIL ncrit=9Re 250k, Mach 0.25, XFOIL ncrit=9Re 303.70k, Mach 0.00, Wind Tunnel (SoarTech 8)Re 304.80k, Mach 0.00, Wind Tunnel (SoarTech 8)S3021-095-84Data for smooth airfoil at Re 304.80k, Mach <=0.25Section lift coefficient vs section drag coefficientSection Drag Coefficient c​dSection Lift Coefficient c​l