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Drag Polar Explorer
Visualize a parabolic drag polar and current L/D operating point from parasite drag, aspect ratio, and Oswald efficiency.
visual calculatorAerodynamics & External Flow
Read the flow shape before trusting the number.
This page turns a CFD setup into regime, scale, and dominant-effect cues. Adjust the calculator below and compare the moving graphic with the computed result.
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input scale
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model
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check
drag polarliftinduced dragL/D
formula
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ASCII source
C_D = C_D0 + C_L^2 / (pi AR e), L/D = C_L / C_DC_D total
0.04878
induced C_Di
0.02378
L/D
14.3513
best L/D near C_L
0.7178
dynamic pressure (Pa)
1240.3125
lift (N)
1215.5063
drag (N)
84.6968
polar k
0.04852
Use this as a preliminary aerodynamic balance check. Matching Reynolds and Mach is still required before reusing measured drag coefficients.