Tech Chassis - Aerodynamics For Dirt Racers Photo Gallery
07. The air moving past the driver and the cockpit is incredibly dirty. You can help clean it back up and guide the air back to the spoiler by building a “bullet” behind the driver seat. But a sheetmetal bullet like this also serves a second purpose. Air that falls into the driver’s compartment is no longer on the deck creating downforce. The bullet can actually help divert that high-pressure air away from the driver’s compartment and back onto the deck.