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NACA M18

Cambered · 12% thick · low-to-mid Re
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PROFILENACA M18
surfacecamber line
GEOMETRY · AREA METRICS
max thickness12.0% @ 30%c
max camber6.4% @ 30%c
LE radius1.58%c
area upper / chord0.0886
area lower / chord0.0045
area camber / chord0.0466
TE thickness0.44%c
DOWNLOAD COORDINATES

Polars

Preliminary
NeuralFoil
-0.4956-50.19133.3330.878211.671.56520ClAngle 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 0.06247% of chord; maximum error 0.3216%.

NeuralFoil 0.3.3 · AeroSandbox 4.2.10

Curve summary

NeuralFoil · Within -5° to 20°

Maximum lift / drag
135.6
Angle at maximum lift / drag (°)
8
Minimum Cd
0.0067
Maximum Cl
1.393
Angle at maximum Cl (°)
10
Cd at zero lift
0.006702
Cm at zero angle
-0.02416
CFD points
SOLVER WORK0 conditions · 0 engine jobs
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