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I.S.A. 571

Cambered · 7% thick · low-to-mid Re
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PROFILEI.S.A. 571
surfacecamber line
GEOMETRY · AREA METRICS
max thickness7.4% @ 30%c
max camber4.3% @ 30%c
LE radius0.60%c
area upper / chord0.0569
area lower / chord0.0047
area camber / chord0.0308
TE thickness0.30%c
DOWNLOAD COORDINATES

Polars

Preliminary
NeuralFoil
-0.2274-50.36523.3330.957811.671.5520ClAngle 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 0.05137% of chord; maximum error 0.2468%.

NeuralFoil 0.3.3 · AeroSandbox 4.2.10

Curve summary

NeuralFoil · Within -5° to 20°

Maximum lift / drag
154.6
Angle at maximum lift / drag (°)
5
Minimum Cd
0.006109
Maximum Cl
1.402
Angle at maximum Cl (°)
7
Cd at zero lift
0.006367
Cm at zero angle
-0.1003
CFD points
SOLVER WORK0 conditions · 0 engine jobs
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