Similarly shaped airfoils to Dale House DH4009 (smoothed) used on the Storm R/C aerobatic aircraft
New! Bulk download of polars in Excel format: dh4009sm.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
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2. NACA65-009
3. NACA0008-34
4. LWK 80-080
5. MH 52
6. NACA66-109 a=0.0
7. NACA66-109
8. MH 53
9. NACA M2
10. NACA66-109 a=0.2
11. GA 40A010
12. NACA65-109 a=0.0
13. NACA64-009
14. NACA65-109
15. GA 40-010
16. MH 50
17. NACA65A109
18. NACA64A-010
19. GA 37A010
20. NACA66A109
21. NACA65-109 a=0.2