Similarly shaped airfoils to NACA M21


New! Bulk download of polars in Excel format: m21.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.

1. NACA M21 (NACA-TR-221)
2. NACA M24
3. NACA M24 (NACA-TR-221)
4. GOE 406
5. NACA6212
6. GOE 509
7. GOE 324 (HANSA-BRANDENBURG)
8. GOE 530
9. GOE 322 (HANSA-BRANDENBURG IV.1)
10. Glenn Martin 2
11. GOE 321 (HANSA-BRANDENBURG III.1)
12. USA 27
13. GOE 365
14. NACA M9 (NACA-TR-221)
15. FX 049-915
16. SPICA 11.73% smoothed
17. GOE 611
18. GOE 584
19. GOE 404
20. EPPLER 639
21. GOE 591