Rajan Wilcox
The fuel tank capacity of IndyCar Series cars has changed over the years. The fuel tank capacity was 35 US gallons (132 litres) in 1997–2003, 30 US gallons (114 litres) in 2004–2006, 22 US gallons (83 litres) in 2007–2011, and 18.5 US gallons (70 litres) from 2012 onwards. IndyCar Series cars use a blend of 85% ethanol and 15% high-octane racing fuel. The fuel tanks are filled before the race and are bolted to the ground to prevent tampering. The cars average about four miles per gallon, and during the Indy 500 race, each car consumes about 0.6 gallons per lap or 125 gallons if they complete the race.
| Characteristics | Values |
|---|---|
| Fuel Tank Capacity | 18.5 US gallons (70 litres) |
| Previous Fuel Tank Capacities | 22 US gallons (83 litres) in 2007–2011, 30 US gallons (114 litres) in 2004–2006, 35 US gallons (132 litres) in 1997–2003 |
| Fuel Type | 85% ethanol and 15% high-octane racing fuel |
| Fuel Mileage | 4.2 miles per gallon |
| Total Fuel Used Per Race | 125 gallons |
| Number of Laps | 200 |
| Track Type | Oval |
Explore related products
What You'll Learn
IndyCar fuel tanks hold 18.5 US gallons
IndyCars use a blend of 85% ethanol and 15% high-octane racing fuel. The fuel blend is closely monitored by IndyCar officials, who ensure that no illegal additives are used. Each team draws its fuel from the same common fuel tank, bolted to the ground, to ensure fairness.
IndyCars have a fuel-efficient system, with no real limit on fuel usage. The cars average about four miles per gallon and during the Indy 500 race, each car consumes about 0.6 gallons per lap or 125 gallons if they complete the race.
The IndyCar Series, currently known as the NTT IndyCar Series, is the highest class of American open-wheel car racing in the United States. The series is self-sanctioned by its parent company, IndyCar, LLC, which began in 1996 as the Indy Racing League (IRL). The series' premier event is the Indianapolis 500, which was first held in 1911 and has since become a renowned and highly anticipated annual race.
How Bad Fuel Impacts Your Car's Performance
You may want to see also
Explore related products
Fuel is pumped into the car using a 5-inch diameter hose
Filling an IndyCar's fuel tank is a quick process, but it's not just about the size of the tank. The placement of the fuel storage tank and the means of getting fuel into the car are also important factors. At Indy, the storage tanks are raised above ground, allowing fuel to flow out by gravity. This is in contrast to service stations, where gas is stored in underground tanks, requiring a submersible or suction pump to defy gravity and pump the gas upwards into your car.
The diameter of the hose used to pump fuel into the car is also a key factor in the speed of refueling. The larger the diameter of the hose, the faster the flow rate of the fuel. IndyCar refueling hoses have a diameter of 5 inches, which is much wider than the standard gas station hose, allowing for a quicker fill-up.
The fuel tank capacity of IndyCar Series cars has varied over the years. In 2007-2011, the capacity was 22 US gallons (83 litres), and in 2012 it was reduced to 18.5 US gallons (70 litres). This reduction was made to improve mileage, as IndyCar cars get approximately 4.2 miles per gallon, and the use of ethanol fuel has improved mileage over time.
The IndyCar Series, or NTT IndyCar Series, is the highest class of American open-wheel car racing. The series is self-sanctioned by its parent company, IndyCar, LLC, and its premier event is the Indianapolis 500, first held in 1911. The race covers 200 laps, and each car consumes about 0.6 gallons per lap, or 125 gallons if they complete the race.
The quick refueling process in IndyCar racing is a well-coordinated effort that has been refined over the years. The combination of raised storage tanks and wide-diameter hoses allows for an efficient and rapid flow of fuel into the car, ensuring that the race cars can get back on the track as quickly as possible.
Fuel Tank Upgrade: Is Bigger Better for Your Car?
You may want to see also
Explore related products
IndyCar fuel is a blend of 85% ethanol and 15% high-octane racing fuel
The fuel used in IndyCar racing has evolved over the years, with a shift from pure methanol to ethanol blends and, most recently, to 100% ethanol-sourced fuel. IndyCar fuel is currently a blend of 85% ethanol and 15% high-octane racing fuel, specifically E85, which has been the case since 2018. This blend is a significant change from the previous pure methanol fuel used since the Indy Racing League's (IRL) formation in 1994.
The switch to ethanol was initiated in 2005 when driver Paul Dana brought the sponsorship of the Ethanol Promotion and Information Council (EPIC) to his IndyCar team. EPIC, a consortium of ethanol producers, aimed to address public concerns about engine damage and poor performance associated with ethanol use in road cars. The transition to ethanol fuel began in 2006, with a 90%/10% mixture of methanol and ethanol.
In 2007, IndyCar racing advertised the use of ""100% Fuel Grade Ethanol," making it the first competitive series to utilize renewable fuel. However, the actual mixture was 98% ethanol and 2% gasoline, with additives to make it unfit for human consumption and to add visible colour in case of fire. This switch to ethanol was driven by safety concerns, as methanol burns with an almost invisible flame, which posed a significant risk during night races introduced in 1997.
The ethanol blend rate was further reduced to 85% in 2012 to align with road car relevance. Since 2019, Speedway LLC has been the official fuel supplier, continuing to use the E85 formula until 2022. Starting in 2023, Shell USA will supply 100% ethanol-sourced fuel for the first time since 2011.
IndyCar fuel tanks have also decreased in capacity over the years, coinciding with improvements in mileage. The fuel tank capacity was 30 gallons in 2004-2006, reduced to 22 gallons in 2007-2011, and further reduced to 18.5 gallons in 2012. The reduction in fuel tank capacity is attributed to the improved mileage provided by ethanol compared to methanol.
Fuel Injector Failure: Can It Stop Your Car?
You may want to see also
Explore related products
Fuel tanks are bolted to the ground to prevent tampering
Fuel tanks are typically bolted to the ground to prevent tampering and ensure safety. While there are no legal requirements mandating that fuel tanks be stored underground, it has long been the standard for fuel tanks to be stored underground, as it provides a solid barrier between the fuel and people and property. Underground storage tanks are less likely to leak, ignite, or cause harm.
However, there are some instances where above-ground storage tanks may be preferable, such as when it is not practical, cost-effective, or necessary to bury the tank. In these cases, fuel tanks can be securely bolted to the ground to prevent unauthorized access and potential safety hazards.
For example, in the context of IndyCar racing, fuel tanks are typically raised above ground to allow for quick and efficient refuelling during races. The fuel is then allowed to flow out of the tank by gravity into the race car. However, even in this scenario, it is essential to have proper security measures in place, such as bolting the fuel tanks to the ground, to prevent unauthorized access and potential tampering.
Additionally, the size of the fuel tank and the type of fuel used can impact the placement and security of the tank. For instance, IndyCar fuel tanks previously had a capacity of 30 gallons (114 litres) in 2004–2006 and 35 gallons (132 litres) in 1997–2003. However, due to the switch from methanol to ethanol fuel, which improved mileage, the fuel tank capacity was reduced to 22 gallons (83 litres) in 2007–2011 and further decreased to 18.5 US gallons (70 litres) from 2012 onwards.
Overall, bolting fuel tanks to the ground is a critical safety measure to prevent tampering and unauthorized access, especially when dealing with large fuel tanks or flammable liquids. By securing the tanks, the risk of leaks, ignition, and potential harm to people and property is significantly reduced.
Driving with a Bad Fuel Injector: Is It Possible?
You may want to see also
Explore related products
IndyCar fuel tanks are made of rubber and covered with a Kevlar blanket
The capacity of an IndyCar fuel tank is 18.5 US gallons (70 litres). This number has changed over the years, with previous capacities being 22 US gallons (83 litres) from 2007 to 2011, 30 US gallons (114 litres) from 2004 to 2006, and 35 US gallons (132 litres) from 1997 to 2003. The current IndyCar Series fuel cell is made of rubber and is covered with a Kevlar-fitted blanket for added protection against side impacts.
Kevlar, a synthetic fibre known for its strength and durability, is often used in applications that require impact protection. By layering the fuel cell with a Kevlar blanket, the IndyCar fuel tanks gain additional structural integrity. This helps to safeguard the fuel tank from potential damage during collisions or other on-track incidents. The blanket also provides insulation, helping to regulate the temperature of the fuel and prevent rapid evaporation or expansion due to extreme heat.
The use of rubber and Kevlar in IndyCar fuel tanks is a testament to the sport's commitment to safety. By utilising these materials, the fuel tanks can withstand the extreme conditions of racing and provide a level of protection for both the drivers and their teams. The combination of rubber and Kevlar creates a robust and reliable fuel tank that meets the demands of IndyCar racing while prioritising safety on the track.
The IndyCar Series has a strong focus on safety, and the design of the fuel tanks reflects this priority. The use of rubber and Kevlar is just one example of how the series works to protect its drivers and teams. Other safety measures include the common fuel tank in 'Gasoline Alley', where all teams must obtain their fuel. This ensures that the fuel provided is consistent and has not been altered in any way. Additionally, the fuel tanks are bolted to the ground during refuelling, preventing teams from gaining an advantage by tipping their tanks.
Tablet for Fuel Mapping: Is It Possible?
You may want to see also
Frequently asked questions
The fuel tank holds 18.5 US gallons or 70 litres.
No, the fuel tank capacity was 22 US gallons (83 litres) in 2007-2011, 30 US gallons (114 litres) in 2004-2006, and 35 US gallons (132 litres) in 1997-2003.
An Indy car burns through about 125 gallons of fuel during a race.
Indy cars get roughly 4.2 miles per gallon.
Filling an Indy car's fuel tank takes nearly two minutes.
