NACA4409
NACA4409
New! Bulk download of polars in Excel format: NACA4409.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
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.
Known applications:
Czerwinski-Shenstone Harbinger wing tip
Fairchild 105 XC-119A wing tip
Fairchild 107 XC-120 Pack Plane wing tip
Fairchild 110 C-119, R4Q wing tip
Fairchild 160 XC-119H wing tip
Fairchild 203 C-119, R4Q wing tip
Fairchild 484 C-119, R4Q wing tip
Fairchild 62 PT-19, PT-23 wing tip
Fairchild 62 PT-26 Cornell wing tip
Fairchild 78 C-82 Packet wing tip
Fairchild 84 wing tip
Fike Model D wing root
Fike Model D wing tip
Fike Model E wing root
Fike Model E wing tip
Laister-Kauffmann LK-10B TG-4A wing tip
North American Aviation NA-135 C-82N Packet wing tip
Partenavia P.57 Fachiro II-f wing tip