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MA409 (original)

Cambered · 7% thick · low-to-mid Re
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PROFILEMA409 (original)
surfacecamber line
GEOMETRY · AREA METRICS
max thickness6.8% @ 25%c
max camber4.3% @ 40%c
LE radius0.51%c
area upper / chord0.0540
area lower / chord0.0089
area camber / chord0.0314
TE thickness0.07%c
DOWNLOAD COORDINATES

Polars

Preliminary
NeuralFoil
-0.1424-50.39023.3330.922711.671.45520ClAngle 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 0.06327% of chord; maximum error 0.2441%.

NeuralFoil 0.3.3 · AeroSandbox 4.2.10

Curve summary

NeuralFoil · Within -5° to 20°

Maximum lift / drag
155.6
Angle at maximum lift / drag (°)
5
Minimum Cd
0.005822
Maximum Cl
1.322
Angle at maximum Cl (°)
6
Cd at zero lift
0.00587
Cm at zero angle
-0.1203
CFD points
SOLVER WORK0 conditions · 0 engine jobs
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