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L7769

Cambered · 11% thick · low-to-mid Re
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PROFILEL7769
surfacecamber line
GEOMETRY · AREA METRICS
max thickness11.0% @ 30%c
max camber4.4% @ 30%c
LE radius1.33%c
area upper / chord0.0540
area lower / chord-0.0087
area camber / chord0.0227
TE thickness0.00%c
DOWNLOAD COORDINATES

Polars

Preliminary
NeuralFoil
-0.413-50.24883.3330.910611.671.57220ClAngle 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.

The compressibility correction is a low-fidelity estimate, not a resolved shock or compressible CFD solution.

Geometry fit: RMS error 0.06747% of chord; maximum error 0.3101%.

NeuralFoil 0.3.3 · AeroSandbox 4.2.10

Curve summary

NeuralFoil · Within -5° to 20°

Maximum lift / drag
145.9
Angle at maximum lift / drag (°)
7
Minimum Cd
0.006208
Maximum Cl
1.407
Angle at maximum Cl (°)
9
Cd at zero lift
0.00637
Cm at zero angle
-0.03394
CFD points
SOLVER WORK0 conditions · 0 engine jobs
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