Similarly shaped airfoils to USA 27


New! Bulk download of polars in Excel format: usa27.xlsx


Info | DAT and DXF files | Shape | Venkataraman Fit | Applications (18) | 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

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1. GOE 509
2. GOE 591
3. GOE 365
4. SPICA 11.73% smoothed
5. GOE 406
6. GOE 321 (HANSA-BRANDENBURG III.1)
7. USNPS4 (smoothed)
8. RAF 6
9. GOE 584
10. GOE 574
11. NACA6212
12. CURTIS CR-1
13. GOE 701
14. NACA M9 (NACA-TR-221)
15. GA 30A612
16. GOE 480
17. GA 30A611
18. GOE 477
19. GA 30-612
20. GA 30U-612
21. GOE 407