The driver has to then go to the pits to answer the race officials. The lead car, by displacing the air in front of it, creates a vacuum between its rear end and the . It is a dangerous and exhilarating sport. Please copy/paste the following text to properly cite this HowStuffWorks.com article: Eric Baxter Since tandem drafting has been banned, NASCAR has created new technology in the engines, which makes it difficult for the drivers to tandem draft without the engine overheating. On smaller tracks with fewer straightaways a car is tuned to have even more downforce to keep it stuck to the pavement and handle the turns better. Conducted 11/26/2008. It is important to understand the aerodynamic behaviour of a motor vehicle when drafting, for example if the rear car is too close to the front car, the air supply to its radiator will be reduced and there is a possibility of the engine overheating. He has to also anticipate and react to the actions of the driver before him quickly if he is to avoid a crash. I have never been able to understand this science! ET. This is the difference between a driver's starting position, and where he finishes in the race. DraftKings NASCAR Strategy - Tips For Winning More Money Despite the use of restrictor plates, NASCAR drivers often reach speeds of more than 180 miles per hour (290 kilometers per hour). There are seven rounds in the NFL Draft; Round 1 is Thursday (April 25), Rounds 2-3 are Friday (April 26) and Rounds 4-7 are Saturday (April 27.) Drafting is not for the faint-hearted. Race cars reach their highest speeds on these superspeedways, so the aerodynamic forces are highest, and the effects of drafting are strongest. It is amply clear that it takes at least two racing cars to adopt the drafting strategy. Two forces play key roles -- downforce and drag. Answer (1 of 7): Cars do make bumper-to-bumper physical contact to push each other in NASCAR. It can also be disastrous, so it is a. Normal drafting is drafting by a car driver by staying as close to the rear of the leading car as possible to avoid the turbulent flow from the leading car. The lead car, by displacing the air in front of it, creates a vacuum between its rear end and the . The best way to do this is to draft the car in front of you or beside you. As you may have guessed, the more cars involved in a draft the less drag each vehicle will experience. Use your own sheet of paper to record your responses. The end result is a game of very small numbers and percentages and those numbers play out in body design and driving skill -- which, of course, includes drafting. However, tandem drafting was banned by NASCAR in 2014 after a 2013 Daytona race in which the tactic was used led to a massive crash in which driver Kyler Larsons car went airborne, and its debris caused dozens of injuries to spectators. Try some different positioning techniques while you are behind them. For example, hypermilers using this technique can achieve 75 mpg or more (a 10% increase in efficiency of certain hybrid vehicles). What is NASCAR Choose Rule. NASCAR Rules and Scoring for DraftKings Fantasy Sports