Question

If two airfoils have the same chord length but one is a NACA 2408 and the other is a NACA 1408, which will create more lift at zero angle of attack?

Answer 1

The NACA 2408 airfoil is likely to create more lift at zero angle of attack compared to the NACA 1408 airfoil with the same chord length.

Step-by-step explanation:

In this case, both airfoils have the same chord length. The NACA 2408 and NACA 1408 are airfoil designs that are commonly used in aircraft. The first number in the NACA designation represents the maximum camber, while the last two numbers represent the maximum thickness of the airfoil, both as a percentage of the chord.

Comparing the two airfoils, the NACA 2408 has a higher maximum camber than the NACA 1408. The presence of camber can help in generating more lift at zero angle of attack. Therefore, the NACA 2408 airfoil is likely to create more lift at zero angle of attack compared to the NACA 1408 airfoil with the same chord length.