USA 27
USA 27 AIRFOIL
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
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:
Bourdon B-2 Kitty Hawk wing root
Bourdon B-4 Kitty Hawk wing root
Consolidated 2 NY-1 wing root
Curtiss TS wing root
Douglas DT-2 wing root
Douglas PD-1 wing root
Douglas World Cruiser wing root
Gere Sport Biplane wing root
International F-17 Sportsman wing root
International F-17W Sportsman wing root
Overland L Sport wing root
Overland Sport 60 wing root
Swallow F28-AX wing root
Swallow Hisso Swallow wing root
Swallow OX-5 Swallow wing root
Viking Kittyhawk B-8 wing root
Wiley Post A wing root
Williams Texas-Temple wing root