inches wide and rear tires (29) approximately 15 inches wide. IndyCar uses parts that are basically off the shelf components — you can get your engine from either Honda or Chevrolet. FRONT/REAR SUSPENSION: The front and rear suspension attach the wheels to the chassis. GEARBOX/BELLHOUSING: There is an assisted gear shift system utilizing paddle shifting. Since time in wind tunnels is restricted by the rules, teams also use computational flow dynamics software to simulate real world testing. air jack fitting (9), turbo inlet (10), brake master cylinder (18), front spring/damper unit (19), front air jack and balance between the front and the rear of the car. SIDEPOD: Also included in the chassis is the sidepod, the bodywork on the side of the car covering the oil The combination requires insanely complex computer software to manage the whole process. So, a Formula 1 car costs 50 times more than an IndyCar. Is the racing 50 times better because of it? As the frame of the car, the chassis houses the center spine The car also produced zero downforce, which could make cornering a bit hairy. and balance between the front and the rear of the car. Source | Images: Jalopnik and Carthrottle /  Editorial comments by Steve Hanley. aerodynamic bodywork kits: one for speedways and the other for road/street courses and short ovals. ENGINE: Chevrolet and Honda supply 2.2-liter, twin-turbocharged, direct-injected V-6 engines with Each team chews through petabytes of data every year looking for any advantage that might make their car a tenth of a second per lap faster on track. IndyCar’s technical expert and former IndyCar driver Jon Beekhuis, “Professor B.,” says the rear suspension of the Wasp accounts for a whopping 41 percent of the aero force resisting forward motion. Both use V-6 internal combustion engines. The sidepod and its components aid in engine Today’s Indy cars look drastically different than those that ran in the first Indianapolis 500 in 1911, and that has a lot to do with the series’ aerodynamic advancements. An IndyCar complete with chassis, engine, transmission, brakes, and tires costs about $3,000,000. The biggest factor in the Kurtis Kraft’s aero drag is the wheels, which account for 51 percent of overall drag. IndyCar driver Justin Wilson has died from a head injury he sustained in a race over the weekend, racing officials announced Monday evening. An IndyCar complete with chassis, engine, transmission, brakes, and tires costs about $3,000,000. The car, unlike its predecessors, is designed to produce massive quantities of downforce. the car doesn’t sit at the midpoint of the track width) with longer suspension arms on one side; this supposedly offered better handling for oval tracks. A Formula One car can sprint to 60 mph is a shade over 2 seconds. Still, with 10 percent lower drag than the Kurtis Kraft, it’s safe to say the Lotus was a step in the right direction. It is designed That car’s tiny frontal area was a godsend for drag (drag is directly related to frontal area), and a dual windshield also helped keep the fluid boundary layer attached and drag figures down. (20), molded seat (23) and impact lights (24). Both series feature open wheel, open cockpit race cars. INDYCAR, LLC, is an American-based auto racing sanctioning body for Indy car racing and other disciplines of open wheel car racing. IndyCar engines are 2.2 liter units that run on E85 ethanol. TIRES: Firestone Firehawk racing radials are mounted on 15-inch rims with front tires (1) approximately 11 street course and short oval. to withstand all the braking and acceleration loads in addition to vertical loads. The rounder Kurtis Kraft was found to make 22 percent less drag than the Wasp, due in large part to its “tidier” suspension (IndyCar makes no mention of the difference in frontal area between the two). The biggest contributor to the modern IndyCars’ drag is the wheels, which account for 51 percent of the 2011 vehicle’s drag. There are two configurations with the 2018 universal The 100th running of the Indy 500 is upon us, so it’s time to look back into history and see how far we’ve come. FUEL CELL: The fuel cell is made of rubber and is covered with a Kevlar-fitted blanket for extra protection Click the image above to access a high-res car anatomy image. The IndyCar weighs 1545 pounds. Time spent in the wind tunnel is severely restricted to cut costs, and yet costs go up and up and up every year. credit card. Its parent company began in 1996 as the Indy Racing League (IRL), which was created by then Indianapolis Motor Speedway owner Tony George as a competitor to CART.In 2008, the IndyCar Series merged with CART's successor, the Champ Car World Series. In fact, it is capable of producing an incredible 2,000 pounds of the stuff, with the bottom of the car acting like an upside down airfoil sucking the car to the track. What Challenges and Opportunities…, Gas2 Week in Review, November 12: Electric Trucks,…, New Formula One Engine Rules Package Under…, How To Clean Corrosion on Electric Car Charge Port, Causes: Strange Smells When Starting Up Tesla Model 3, Cargo Space Comparisons in All Tesla Models, Understanding Tesla Message: Front Left Safety Restraint System Fault, 5 Interesting PEOPLE We Can’t Wait to Read About in 2020, State of the Art 2020: Electric Motorcycle Racing, How Different Racing Series Are Going Green, Watch a Nissan LEAF Plus Outrun a Tesla Model S. Whether it's cars, trucks, ships, or airplanes, sustainability is the key. Key components of the gearbox bellhousing The engine houses the oil tower (11), the exhaust system (25) and the turbochargers (26). Unfortunately, the long suspension arms blocked airflow and hurt the vehicle’s aero properties. If that surprises you, what should be even more surprising is that the teams have been complaining loud about how expensive Formula One is for decades. The following year, 2012, brought that figure down to 48 percent, though, and IndyCar says the Honda and Chevy aero kits are even more aerodynamically efficient. He also says the rear of the car makes no downforce at all, and that the front actually produces lift! What they devised was a car with sharp edges around the radiator and exposed suspension components, both of which created massive turbulent vortices and lots of drag. The teams are now forbidden to test their cars more than a few days per year to cut costs. IndyCar is in Indianapolis, Indiana where it all began in 1911. Formula One is just the opposite. down gears. Having spent several months working with production vehicle aerodynamicists, this makes me appreciate what they do even more.... Everything you need to know about and expect during, the most important election of our lifetimes. At top speed, as much as 5,000 lbs of downforce can be added to the cars. cooling, car aerodynamics and driver protection in case of a side impact. The bellhousing connects the gearbox to the engine. There are two configurations: speedway and road/ Always interested in hearing from auto engineers—email me. CHASSIS: The central part of the car, including the driver’s compartment. approximately 550-700 horsepower for the diverse schedule – from street/road courses to short ovals to So what’s behind the difference between IndyCar and Formula One? Formula One cars are basically inverted airplanes. As they do every year, both IndyCar and Formula One are having their premier races of the year this weekend. Another 150 horsepower or so comes from an electric motor powered by a battery, regenerative braking, and a device that makes electricity from the heat of the engine. That being said, they are the same for everybody. FRONT WING: The front wing (16) works in conjunction with the rear wing to create aerodynamic downforce Here’s the most crucial difference, however: Money. The ARC also ran CFD simulations on a 1955 Kurtis Kraft 500C, the car that Bob Sweikert piloted to win the Indy 500 in 1955. The following year, 2012, brought that figure down to 48 percent, though, and IndyCar says the Honda and Chevy aero kits are even more aerodynamically efficient. 2020 INDYCAR® IS A REGISTERED TRADEMARK OF BRICKYARD TRADEMARKS, INC. / PRIVACY POLICY & TERMS OF USE.

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