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MA409 (smoothed)

Cambered · 7% thick · low-to-mid Re
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PROFILEMA409 (smoothed)
surfacecamber line
GEOMETRY · AREA METRICS
max thickness6.7% @ 24%c
max camber3.3% @ 49%c
LE radius0.49%c
area upper / chord0.0449
area lower / chord-0.0001
area camber / chord0.0224
TE thickness0.07%c
DOWNLOAD COORDINATES

Polars

Preliminary
NeuralFoil
-0.2794-50.28983.3330.85911.671.42820ClAngle 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 0.007023% of chord; maximum error 0.03202%.

NeuralFoil 0.3.3 · AeroSandbox 4.2.10

Curve summary

NeuralFoil · Within -5° to 20°

Maximum lift / drag
155
Angle at maximum lift / drag (°)
5
Minimum Cd
0.005844
Maximum Cl
1.286
Angle at maximum Cl (°)
7
Cd at zero lift
0.005882
Cm at zero angle
-0.1205
CFD points
SOLVER WORK0 conditions · 0 engine jobs
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