The existing force balance and coefficient curve show the selected operating point and stall boundary.
Lift vector
17,139 N
Drag vector
1,370 N
Angle (α)
5.0°
Free-stream
reference line
Lift force
17,139.33 N
CL 0.771
Drag force
1,370.37 N
CD 0.0616
Lift/drag ratio
12.5
Maximum 21.1
Stall speed
8.96 m/s
32.26 km/h
Optimal angle of attack
0.3 deg
For maximum lift/drag ratio
Aspect ratio
4.0
Span squared divided by area
Velocity
50.00 m/s
180.00 km/h, 97.19 knots
Altitude
1,000.00 m
3,280.84 ft
Air density
1.1117 kg/m3
Dynamic pressure 1,389.56 Pa
Airfoil
NACA 2412
CL max 1.40, CD0 0.0060
This tool is open source and the underlying logic is fully transparent. You can inspect the code, understand the calculations, and contribute improvements. If you want to use the tool in your own website, course page, or learning platform, you can also embed it directly and start from a ready-made iframe setup for this exact tool.
Open source: review the implementation and see how the results are produced.
Embeddable: preview this tool, copy the iframe, and use it in your own site or LMS.
The existing force balance and coefficient curve show the selected operating point and stall boundary.
Lift vector
17,139 N
Drag vector
1,370 N
Angle (α)
5.0°
Free-stream
reference line
Lift force
17,139.33 N
CL 0.771
Drag force
1,370.37 N
CD 0.0616
Lift/drag ratio
12.5
Maximum 21.1
Stall speed
8.96 m/s
32.26 km/h
Optimal angle of attack
0.3 deg
For maximum lift/drag ratio
Aspect ratio
4.0
Span squared divided by area
Velocity
50.00 m/s
180.00 km/h, 97.19 knots
Altitude
1,000.00 m
3,280.84 ft
Air density
1.1117 kg/m3
Dynamic pressure 1,389.56 Pa
Airfoil
NACA 2412
CL max 1.40, CD0 0.0060
This tool is open source and the underlying logic is fully transparent. You can inspect the code, understand the calculations, and contribute improvements. If you want to use the tool in your own website, course page, or learning platform, you can also embed it directly and start from a ready-made iframe setup for this exact tool.
Open source: review the implementation and see how the results are produced.
Embeddable: preview this tool, copy the iframe, and use it in your own site or LMS.