Why are 777 engines so big?

The reason why: the new engines offer far greater fuel efficiency and much less noise thanks to composite 3D printed materials and larger fan blades. By reducing weight with previously unattainable materials, the engines are able to draw more air, which greatly improves the efficiency and noise part.
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How large is a 777 engine?

Massive General Electric turbofan on the Boeing 777-300ER

This engine is the largest and most powerful turbofan built to date, being some 11 ft 3 in (3.43 m) in diameter.
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How powerful is a 777 engine?

In a Boeing 777, a single engine produces 52,000 hp.
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Why do Boeing 777 engines keep exploding?

In the case of the exploding 777 engines, the recurring problem does not come out of the blue. It's well known that as aircraft and engines age, their mechanical parts are subjected to repeated stresses and strains that can lead to microscopic cracks that grow over time.
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Why does the 777 only have 2 engines?

The primary reason why Boeing opted for a twin-engine 777 was due to the unparalleled efficiency it offers. Boeing had already noted the use of the 767 on transatlantic operations after ETOPS certification in 1985, bringing down the last barrier for long-haul twinjet operations.
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Why Doesn’t The Boeing 777 Have Four Engines Like The A340?



Can a 777 take off one engine?

Aircraft only had to stay within a certain flight time from the nearest suitable airport in case an emergency landing was required. The Boeing 777-200, the plane in question in the incident over the weekend, can fly over five hours with just one engine thanks to its 330-minute ETOPS certification.
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How much fuel does a 777 use per hour?

A Boeing 777-300ER has a full fuel capacity of 47,890 gallons and burns fuel at the rate of roughly 2,500 gallons per hour (depending on the conditions, such as winds aloft and takeoff weight). A typical flight from New York to London on the Boeing 777-300ER would then cost around $33,000 in fuel.
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How much horsepower did the Titanic have?

RMS Titanic

Two reciprocating steam engines – with a combined output of 30,000 horsepower and each weighing 720 tonnes – and one low-pressure turbine powered the Titanic. They needed the steam produced by 29 boilers, each capable of holding more than 48 tonnes of water.
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Are all 777 grounded?

United Airlines says FAA has cleared 52 Boeing 777s to fly again after they were grounded for engine failure. United's 52 Pratt & Whitney-powered Boeing 777s have been grounded since an engine failure in February 2021. The airline plans to begin flying the aircraft this month and bring them back gradually.
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What does a 777 engine cost?

Each engine costs $24 million. For the price of one engine you could get this beautiful Swiss home and two engines would get you three 1957 Ferrari 250 Testa Rossas, the most expensive car ever sold at auction.
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How much does a b777 engine cost?

In the United States, it costs $5 million, and it costs $350 on the 777F.
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What engine was in the Titanic?

Titanic was equipped with three main engines—two reciprocating four-cylinder, triple-expansion steam engines and one centrally placed low-pressure Parsons turbine—each driving a propeller. The two reciprocating engines had a combined output of 30,000 horsepower (22,000 kW).
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What is the largest jet engine ever made?

GE9X - the biggest engine

The GE9X holds the Guinness World Record for the highest recorded thrust, a huge 134,300 pounds. It is also 10% more fuel-efficient than its predecessor. And for size, the front fan diameter is 340 centimeters.
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How many hours can a 777 fly without refueling?

Boeing 777-300ER

The aircraft can operate for up to 15 hours between long haul destinations such as Los Angeles-Sydney, New York-Hong Kong, Singapore-London, Paris-Los Angeles and Dubai-New York. The 777-300ER was rolled out by Boeing in September 1996.
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Has Boeing 777 ever crashed?

Two people were killed and at least 40 people were critically injured Saturday when a Boeing 777 passenger jetliner arriving from Seoul, South Korea, crashed and caught fire while landing at San Francisco International Airport, officials said.
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Will Titanic 2 be steam powered?

The traditionalists will be very disappointed, but the Titanic II will NOT have steam powered coal engines. Steam might sound like a romantic idea, but it is very inefficient and impractical compared to modern methods.
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How many horsepower is a 747 engine?

The hp of every plane can vary. According to calculations, while the jet engine of a Boeing 777 has a horsepower of 30,843, the jet engine of a Boeing 747 has a horsepower of 59,934.
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How fast could the Titanic go?

7. The top speed of the Titanic was 23 knots (more than 26 miles per hour).
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Has a 747 ever broken the sound barrier?

Key. While aircraft are put through extreme testing during their certification, these are never intended to be actually faced. The 747-100, for instance, was tested up to Mach 0.99, almost breaking the sound barrier. Other 747s, such as Air Force One, have approached the sound barrier but never crossed it.
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How much fuel does a 777 take?

The wings also serve as fuel storage, with longer-range models able to carry up to 47,890 US gallons (181,300 L) of fuel. This capacity allows the 777-200LR to operate ultra-long-distance, trans-polar routes such as Toronto to Hong Kong.
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Whats bigger 747 or 777?

The 777X is a longer aircraft - just

According to Boeing's data, the 777-9 has a total length of 251 feet 9 inches (76.72 meters). The 747-8 is just a bit smaller at 250 feet 2 inches (76.3 meters). The 777-9 is the longest commercial aircraft ever built.
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Why does jet fuel smell good?

Jet-A1 is refined kerosene, which has a distinctive smell which some find unpleasant and others not. Aviation Gasoline (AVGAS) has many "aromatic" hydrocarbons to boost octane which are called aromatic because of their distinctive odors.
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Does jet fuel smell like diesel?

Jet-A smells like kerosene (not quite "like diesel", but definitely not like gasoline). If you are familiar with how both smell you can tell them apart by odor, and a significant contamination of Avgas with Jet-A could be detected by smell.
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What airplane holds the most fuel?

The McDonnell Douglas KC-10 Extender is the largest fuel capacity tanker aircraft in the world. With a 164-foot wingspan, the aircraft can haul a massive amount of fuel—we're talking 52,250 gallons.
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