Parasite Drag equation is printed on back of shirt.

Parasite drag is the drag incurred from the nonlifting portions of the aircraft. It includes the form drag and skin friction associated with the fuselage, cockpit, engine cowlings, rotor hub, landing gear, and tail boom to mention a few.

Parasite Drag increases as speed increases. When motorcycle drag racing - the pilot is parasite drag. Parasite drag increases with airspeed. The formula to calculate Parasite Drag is screen printed on the back of the shirt.

Beyond the science, Parasite Drag just sounds cool! Keep'm guessing at the track and impress the hotties with your vast knowledge of physics whenever you sport your Parasite Drag apparel.