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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)




RG-15 8.9%


New! Bulk download of polars in Excel format: rg15.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 59.70k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)Re 60.10k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 59.70k, Mach <=0.25Section lift coefficient vs angle of attackAngle of Attack (deg)Section Lift Coefficient c​l
−20−1001000.10.20.30.4
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 59.70k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 59.70k, 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 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 60.10k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 59.70k, Mach <=0.25Section moment coefficient vs angle of attackAngle of Attack (deg)Section Moment Coefficient c​m
−20−10010−1001020304050
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 59.70k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 59.70k, Mach <=0.25Section lift/drag ratio vs angle of attackAngle of Attack (deg)Section Lift/Drag Coefficient c​l/c​d
−0.500.5100.10.20.30.4
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 59.70k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 59.70k, Mach <=0.25Section drag coefficient vs section lift coefficientSection Lift Coefficient c​lSection Drag Coefficient c​d
−0.500.51−1001020304050
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 59.70k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 59.70k, 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 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 59.70k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 59.70k, 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 59.70k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)Re 60.10k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 60.10k, Mach <=0.25Section lift coefficient vs angle of attackAngle of Attack (deg)Section Lift Coefficient c​l
−20−1001000.10.20.30.4
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 59.70k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 60.10k, 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 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 60.10k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 60.10k, Mach <=0.25Section moment coefficient vs angle of attackAngle of Attack (deg)Section Moment Coefficient c​m
−20−10010−1001020304050
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 59.70k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 60.10k, Mach <=0.25Section lift/drag ratio vs angle of attackAngle of Attack (deg)Section Lift/Drag Coefficient c​l/c​d
−0.500.5100.10.20.30.4
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 59.70k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 60.10k, Mach <=0.25Section drag coefficient vs section lift coefficientSection Lift Coefficient c​lSection Drag Coefficient c​d
−0.500.51−1001020304050
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 59.70k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 60.10k, 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 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 59.70k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 60.10k, 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 100.10k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)Re 100.70k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 100.10k, Mach <=0.25Section lift coefficient vs angle of attackAngle of Attack (deg)Section Lift Coefficient c​l
−20−100102000.050.10.150.20.250.3
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 100.10k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 100.10k, 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=9Re 100.70k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 100.10k, Mach <=0.25Section moment coefficient vs angle of attackAngle of Attack (deg)Section Moment Coefficient c​m
−20−1001020−200204060
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 100.10k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 100.10k, Mach <=0.25Section lift/drag ratio vs angle of attackAngle of Attack (deg)Section Lift/Drag Coefficient c​l/c​d
−0.500.5100.050.10.150.20.250.3
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 100.10k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 100.10k, Mach <=0.25Section drag coefficient vs section lift coefficientSection Lift Coefficient c​lSection Drag Coefficient c​d
−0.500.51−200204060
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 100.10k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 100.10k, Mach <=0.25Section lift/drag ratio vs section lift coefficientSection Lift Coefficient c​lSection Lift/Drag Coefficient c​l/c​d
00.10.20.3−0.500.51
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 100.10k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 100.10k, 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 100.10k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)Re 100.70k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 100.70k, Mach <=0.25Section lift coefficient vs angle of attackAngle of Attack (deg)Section Lift Coefficient c​l
−20−100102000.050.10.150.20.250.3
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 100.10k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 100.70k, 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 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 100.70k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 100.70k, Mach <=0.25Section moment coefficient vs angle of attackAngle of Attack (deg)Section Moment Coefficient c​m
−20−1001020−200204060
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 100.10k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 100.70k, Mach <=0.25Section lift/drag ratio vs angle of attackAngle of Attack (deg)Section Lift/Drag Coefficient c​l/c​d
−0.500.5100.050.10.150.20.250.3
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 100.10k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 100.70k, Mach <=0.25Section drag coefficient vs section lift coefficientSection Lift Coefficient c​lSection Drag Coefficient c​d
−0.500.51−200204060
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 100.10k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 100.70k, Mach <=0.25Section lift/drag ratio vs section lift coefficientSection Lift Coefficient c​lSection Lift/Drag Coefficient c​l/c​d
00.10.20.3−0.500.51
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 100.10k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 100.70k, 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 200.40k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)Re 201k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 200.40k, 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 200.40k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 200.40k, 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=9Re 201k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 200.40k, Mach <=0.25Section moment coefficient vs angle of attackAngle of Attack (deg)Section Moment Coefficient c​m
−20−1001020−100−50050100150200
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 200.40k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 200.40k, 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 200.40k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 200.40k, Mach <=0.25Section drag coefficient vs section lift coefficientSection Lift Coefficient c​lSection Drag Coefficient c​d
−0.500.51−100−50050100150200
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 200.40k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 200.40k, 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 200.40k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 200.40k, 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 200.40k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)Re 201k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 201k, 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 200.40k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 201k, 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=9Re 201k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 201k, Mach <=0.25Section moment coefficient vs angle of attackAngle of Attack (deg)Section Moment Coefficient c​m
−20−1001020−100−50050100150200
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 200.40k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 201k, 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 200.40k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 201k, Mach <=0.25Section drag coefficient vs section lift coefficientSection Lift Coefficient c​lSection Drag Coefficient c​d
−0.500.51−100−50050100150200
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 200.40k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 201k, 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 200.40k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 201k, 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 300.30k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)Re 301.40k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 300.30k, 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 300.30k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 300.30k, 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=9Re 301.40k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 300.30k, Mach <=0.25Section moment coefficient vs angle of attackAngle of Attack (deg)Section Moment Coefficient c​m
−20−1001020−100−50050100150200
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 300.30k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 300.30k, 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 300.30k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 300.30k, Mach <=0.25Section drag coefficient vs section lift coefficientSection Lift Coefficient c​lSection Drag Coefficient c​d
−0.500.51−100−50050100150200
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 300.30k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 300.30k, 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 300.30k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 300.30k, 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 300.30k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)Re 301.40k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 301.40k, 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 300.30k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 301.40k, 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=9Re 301.40k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 301.40k, Mach <=0.25Section moment coefficient vs angle of attackAngle of Attack (deg)Section Moment Coefficient c​m
−20−1001020−100−50050100150200
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 300.30k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 301.40k, 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 300.30k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 301.40k, Mach <=0.25Section drag coefficient vs section lift coefficientSection Lift Coefficient c​lSection Drag Coefficient c​d
−0.500.51−100−50050100150200
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 300.30k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 301.40k, 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 300.30k, Mach 0.00, Wind Tunnel (UIUC Low-Speed Airfoil Test Program, Vol 2)RG-15 8.9%Data for smooth airfoil at Re 301.40k, Mach <=0.25Section lift coefficient vs section drag coefficientSection Drag Coefficient c​dSection Lift Coefficient c​l