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AH21 7% version

Cambered · 9% thick · low-to-mid Re
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PROFILEAH21 7% version
surfacecamber line
GEOMETRY · AREA METRICS
max thickness9.0% @ 35%c
max camber2.3% @ 55%c
LE radius0.89%c
area upper / chord0.0486
area lower / chord-0.0156
area camber / chord0.0165
TE thickness0.00%c
DOWNLOAD COORDINATES

Polars

Preliminary
NeuralFoil
-0.3979-50.40923.3331.21611.672.02420ClAngle 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.

Geometry fit: RMS error 0.01203% of chord; maximum error 0.07049%.

NeuralFoil 0.3.3 · AeroSandbox 4.2.10

Curve summary

NeuralFoil · Within -5° to 20°

Maximum lift / drag
138.1
Angle at maximum lift / drag (°)
9
Minimum Cd
0.006746
Maximum Cl
1.822
Angle at maximum Cl (°)
16
Cd at zero lift
0.006751
Cm at zero angle
-0.08955
CFD points
SOLVER WORK0 conditions · 0 engine jobs
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