EM S5 1811 121
New! Bulk download of polars in Excel format: EM%20S5%201811%20121.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
Dynamic plotter New!
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.
| Angle (deg), positive is trailing edge down | DAT File |
|---|---|
| 5 | EM S5 1811 121FLAP5C25 |
| 15 | EM S5 1811 121FLAP15C25 |
| 25 | EM S5 1811 121FLAP25C25 |
| 35 | EM S5 1811 121FLAP35C25 |
| 45 | EM S5 1811 121FLAP45C25 |
| -5 | EM S5 1811 121FLAPM5C25 |
| -15 | EM S5 1811 121FLAPM15C25 |
| -25 | EM S5 1811 121FLAPM25C25 |
| -35 | EM S5 1811 121FLAPM35C25 |
| -45 | EM S5 1811 121FLAPM45C25 |