Naca2412 -

Before the age of computational fluid dynamics (CFD), engineers at the National Advisory Committee for Aeronautics (NACA, the predecessor to NASA) developed a systematic way to describe airfoil shapes using a simple mathematical equation. The "four-digit series" is the most famous of these families.

Because it offers stable flight across various conditions, it is a staple in both full-scale and model aviation: NACA 2412 airfoil wing fix for Vision Jet naca2412

The NACA 2412 is a decoder ring for aerodynamics. Here is what those four digits tell us: Before the age of computational fluid dynamics (CFD),