Regan Brown
The Boeing 747 is one of the largest commercial jets and is ideal for long routes due to its large capacity and long range. It consumes approximately 1 gallon (about 4 litres) of fuel every second, which is about 60 gallons or 240 litres per minute. The exact fuel burn rate depends on passenger capacity, the make and model of engines, and other factors such as the aircraft's empty weight, payload, efficiency of the engines, flight path, and weather conditions. The 747's fuel capacity varies among models, with an average range of 48,400 to 63,034 gallons (183,214–238,610 litres).
| Characteristics | Values |
|---|---|
| Fuel used per second | 1 gallon (approximately 4 litres) |
| Fuel used per minute | 240 litres |
| Fuel used per hour | 14,400 litres or 3,600-3,800 gallons |
| Fuel used per mile | 5 gallons or 12 litres per kilometre |
| Fuel used per passenger per mile | 0.01 gallons |
| Total fuel capacity | 48,400 to 63,034 gallons (183,214 to 238,610 litres) |
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What You'll Learn
A Boeing 747 uses 4 litres of fuel per second
A Boeing 747 uses approximately 4 litres of fuel per second, which is equivalent to 240 litres per minute and 14,400 litres per hour. This amounts to 36,000 gallons of fuel over the course of a 10-hour flight. The 747's fuel capacity varies among models, ranging from 48,400 to 63,034 gallons.
The 747's remarkable fuel efficiency is due in part to its ability to carry a large number of passengers. While the plane burns 5 gallons of fuel per mile, this works out to just 0.01 gallons per person per mile, or 100 miles per gallon per person. This efficiency is further demonstrated when comparing the 747 to a car. For example, a car travelling from New York City to Los Angeles, a distance of 2,797 miles, would consume 112 gallons of gas, resulting in a fuel efficiency of 25 miles per gallon. In contrast, a Boeing 747 flying the same route would use 5,325 gallons of fuel, but with 200 passengers on board, the fuel consumption per person is significantly lower than that of the car.
The fuel efficiency of the 747 is also evident when comparing it to other aircraft, such as the Airbus A380, which consumes 4,600 gallons of fuel per hour. However, it's important to note that fuel consumption and efficiency can vary depending on several factors, including passenger capacity, engine type, flight path, and weather conditions.
The high fuel consumption of the 747 is a result of its large fuel capacity, which enables it to operate long-haul international routes. The fuel tanks are primarily located in the aircraft's wings, with select 747s configured to store additional fuel in the plane's horizontal stabilizer at the tail. The 747 relies on four turbofan engines for propulsion, burning 3,500 to 3,800 gallons of fuel per hour at cruising speed.
Despite its impressive fuel efficiency, the 747 is not considered the most fuel-efficient aircraft compared to more modern planes with only two engines, such as the Airbus A330 and Boeing 777. However, the 747 remains a popular choice for long routes due to its large capacity and long range, showcasing the careful balance between fuel efficiency and the demands of transporting hundreds of passengers over long distances.
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The fuel capacity of a 747 varies by model
The Boeing 747 is a large and fast commercial jet that is not considered fuel-efficient compared to other aircraft. However, its fuel efficiency per person is impressive. The exact fuel burn rate depends on the passenger capacity, the make and model of the engines, the speed, the aircraft weight, and other factors.
The 747's fuel tanks are located in the aircraft's wings, with two main fuel tanks in each wing, reserve fuel tanks in the outer wing sections, and a central wing tank in the middle. Select models of the jumbo jet can also use the horizontal stabilizer as an auxiliary fuel tank to increase total capacity.
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A 747 can carry 48,400 to 63,034 gallons of fuel
The exact fuel capacity of a 747 varies between models. The debut version, the 747-100, can carry 48,400 gallons of fuel, while the 747-8i Intercontinental can carry 63,034 gallons. This is a significant increase in fuel capacity, allowing the 747-8i to fly longer routes that require more fuel, such as from Los Angeles to Sydney.
The 747's fuel capacity is designed to facilitate its high fuel consumption on long-haul international routes. Its four turbofan engines burn a significant amount of fuel per hour at cruising speed, with an average fuel burn rate of around one gallon of fuel per second. This equates to a fuel economy of 0.18 miles per gallon, or approximately 3,500 to 3,800 gallons of fuel per hour.
The majority of the fuel on a 747 is stored in the aircraft's wings, with two main fuel tanks in each wing and reserve fuel tanks in the outer wing sections. This symmetrical design allows the plane to remain balanced as the fuel funnels down into the engines, increasing storage capacity in the fuselage for cargo. Select models of the 747 also utilize an auxiliary fuel tank in the horizontal stabilizer at the tail to further increase fuel capacity.
The high fuel capacity and consumption of the 747 are necessary to support its long-range and high passenger capacity capabilities. The aircraft can carry up to 568 people and has been used to serve new and previously unserved direct routes worldwide. Despite its fuel capacity and consumption, the 747 is still considered more fuel-efficient per person than a car.
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The 747 burns 5 gallons of fuel per mile
The Boeing 747 is a large commercial jet that can carry up to 568 people. It burns approximately 5 gallons of fuel per mile or 12 litres of fuel per kilometre. This equates to 1 gallon of fuel, or roughly 4 litres, every second. This means that during a 5-hour flight, the 747 will burn 18,000 gallons of fuel. Over a 10-hour flight, this figure would double to 36,000 gallons, or 150,000 litres.
The fuel efficiency of the 747 can be better understood when considering the number of passengers it carries. For example, if the plane is carrying 500 people, it is burning 0.01 gallons per person per mile, or 100 miles per gallon per person. This is nearly twice as fuel-efficient as a car carrying one person.
The 747's fuel efficiency is also impacted by its cruising speed of 550-580 mph, which means it covers a mile every 6.2 seconds. This results in a fuel economy of 0.18 miles per gallon. However, the exact fuel burn rate depends on factors such as passenger capacity, engine type, and model.
The 747 typically carries around 48,400 gallons of fuel to accommodate high fuel consumption on long-haul international routes. Some variants, like the 747-8i Intercontinental, have even higher fuel capacity, carrying up to 63,034 gallons of fuel. The fuel tanks are primarily located in the aircraft's wings, with select 747s storing additional fuel in the plane's horizontal stabilizer at the tail.
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A 747 is more fuel-efficient than a car
The Boeing 747 is a highly efficient aircraft, especially when it comes to fuel consumption. While it may burn a significant amount of fuel per minute, when compared to a car, the 747 comes out on top in terms of fuel efficiency. This is especially true when you consider the number of people it can carry.
Firstly, let's look at the numbers. The 747 burns approximately 4 litres of fuel every second, which is around 240 litres per minute. That's a whopping 14,400 litres or 3,800 gallons per hour. Now, that may seem like a lot, and it is, but the 747 can carry a huge number of passengers—up to 568 people. This changes the equation.
When we consider fuel efficiency in terms of miles per gallon per person, the 747 shines. For every mile travelled, the plane burns 0.01 gallons of fuel per person. That equates to 100 miles per gallon per person. In comparison, a typical car gets about 25 miles per gallon. So, for a car with two passengers travelling from New York City to Los Angeles (a distance of 2,797 miles), the fuel consumption works out to 56 gallons per person. That's more than twice the fuel consumption of the 747 on a per-person basis.
Additionally, the 747 is designed for long-haul international routes, so its large fuel capacity is necessary for covering such long distances. The 747's fuel efficiency is further improved when compared to cars by the number of people it can transport. A fully occupied 747 can carry more than 250 times the number of people in a car with two passengers. Even if only half of the seats are filled, that's still 125 times the capacity of a typical car.
In summary, while the Boeing 747 consumes a significant amount of fuel, when we consider its passenger capacity and long-range capabilities, it becomes clear that it is more fuel-efficient than a car, especially on a per-person basis. This efficiency is further improved when the 747 is at full capacity, showcasing the benefits of transporting a large number of people over long distances.
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Frequently asked questions
A 747 uses approximately 4 litres of fuel every second, which is 240 litres per minute.
A 747 burns 3,500 to 3,800 gallons of fuel per hour at cruising speed.
A 747 might burn 36,000 gallons (150,000 litres) of fuel on a 10-hour flight.
It costs around $140,000 to $170,000 to refuel a 747, depending on the fuel market price, flying route, aircraft model, fuel type, taxes, etc.
A 747 is not considered a fuel-efficient vehicle compared to a car. However, when you consider the number of passengers it carries, a 747 is burning only 0.01 gallons per person onboard for every mile it travels.
