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CAMBEREDNACA 4-DIGITSELIG-DATABASE

NACA6409 9%

Cambered · 9% thick · low-to-mid Re
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PROFILENACA6409 9%
surfacecamber line
GEOMETRY · AREA METRICS
max thickness9.0% @ 29%c
max camber6.0% @ 40%c
LE radius0.90%c
area upper / chord0.0710
area lower / chord0.0094
area camber / chord0.0402
TE thickness0.00%c
DOWNLOAD COORDINATES

Polars

Preliminary
NeuralFoil
-0.0428-50.67553.3331.39411.672.11220ClAngle of attack (°)
Why this curve

This is a NeuralFoil prediction from the stored profile coordinates and the selected flow condition, with AeroSandbox compressibility corrections. It is not a completed OpenFOAM calculation.

Prediction error has not been calibrated for this condition. No accuracy interval is claimed.

Geometry fit: RMS error 0.01944% of chord; maximum error 0.07589%.

NeuralFoil 0.3.3 · AeroSandbox 4.2.10

Curve summary

NeuralFoil · Within -5° to 20°

Maximum lift / drag
142.4
Angle at maximum lift / drag (°)
7
Minimum Cd
0.006998
Maximum Cl
1.933
Angle at maximum Cl (°)
15
Cd at zero lift
—
Cm at zero angle
-0.1532
CFD points
SOLVER WORK0 conditions · 0 engine jobs
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