Why are engines slightly forward? It’s all about the "Area Rule," a fascinating design principle that reduces drag and increases speed. Dive into the science that made jets like the F-102 and ...

17.1d(2)/1 – Recommendation That Player Physically Marks Reference Point on Reference Line Rule 17.1d allows a player to choose a reference point on the reference line that determines the relief area ...

Continued). Exception – Relief Must Be Taken from Interference by No Play Zone in Penalty Area (see Rule 17.1e). The player may take penalty relief under Rule 17.1d or 17.2. Once the player puts ...