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EPPLER STE 871-514

Cambered · 14% thick · low-to-mid Re
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PROFILEEPPLER STE 871-514
surfacecamber line
GEOMETRY · AREA METRICS
max thickness13.9% @ 47%c
max camber2.6% @ 75%c
LE radius2.14%c
area upper / chord0.0706
area lower / chord-0.0275
area camber / chord0.0216
TE thickness-0.05%c
DOWNLOAD COORDINATES

Polars

Preliminary
NeuralFoil
-0.2505-50.30373.3330.85811.671.41220ClAngle 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 0.03948% of chord; maximum error 0.1963%.

NeuralFoil 0.3.3 · AeroSandbox 4.2.10

Curve summary

NeuralFoil · Within -5° to 20°

Maximum lift / drag
131.1
Angle at maximum lift / drag (°)
5
Minimum Cd
0.006924
Maximum Cl
1.274
Angle at maximum Cl (°)
7
Cd at zero lift
0.006934
Cm at zero angle
-0.1198
CFD points
SOLVER WORK0 conditions · 0 engine jobs
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