The most recent model, the 747-8, has engines that produce 66,000lbs of thrust.
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Early jet enginesThe engine intakes were small and an air hostess could barely squeeze in for a publicity photo. Boeing's first 747 jumbo had much bigger engines which produced about 45,000lbs of thrust. The most recent model, the 747-8, has engines that produce 66,000lbs of thrust.
The Boeing 747–400cannot top Mach 1, capped at 988 km/h, or Mach 0.8. The plane cannot exceed Mach 1, because its engines are not fast enough to propel the aircraft forward that fast. This also has to do with the plane's aerodynamics, because it is large and has dihedral wings.
No airplane has ever gone this fast. The speediest airplane ever built is Lockheed's SR-71 Blackbird, which traveled at Mach 3.2. Anything above Mach 9 and you lose communications with the ground, as plasma starts enveloping the vehicle, as if it were a spacecraft returning to Earth through the upper atmosphere.
Conclusion. While it's very clear that a 747 cannot fly properly with the failure of three engines, we can see that a single functioning engine would at least extend the aircraft's distance and prolong its time in the air. Hopefully, this would buy enough time and distance for the 747 to reach a suitable landing spot.
The reason the 747–8 didn't do so was mainly because the trends of airlines changed and it came too late. To sum it up, airlines chose to either go for the 777–300ER because it was almost as large and was more guaranteed to be filled up, or they went for the A380 if they needed high capacity.
The most powerful aircraft in terms of thrust is currently the Antonov An-225 Mriya, a Ukrainian cargo plane. The An-225's engines generate a total of 332,750 pounds of thrust, making it the most powerful aircraft in the world. T/W ratio depends on: altitude.
All fixed-wing aircraft have some capability to glide with no engine power; that is, they do not fall straight down like a stone, but rather continue to glide moving horizontally while descending.
Range and fuel capacityThe range of the A380 beats the 747-8. Even though the difference is not overwhelming, it is enough to provide an advantage for ultra-long-haul operators. Even when it comes to fuel capacity, this model leads the way.
The 747-8 also incorporates advanced alloys, updated systems, and improved aerodynamic efficiency for better cruise, takeoff, and landing performance. The primary external differences between the 747-8 and the 747-400 are in wingspan and fuselage length. They are virtually the same height.
While the overall shape of the two 747s may look similar to one another, the dimensions have changed. The -8 actually has a larger wingspan, longer fuselage, as well as an extended upper deck. For passenger versions, the 747-8 offers 51 additional seats over the 747-400.
Most airlines had retired their 747 fleets in favor of a new generation of long-haul aircraft, which carry fewer people than the 450-passenger giant, and, with just two engines versus the 747's four, burn less fuel.
Could The Human Body Survive Mach 10? Tom Cruise's character's feat of Mach 10 speed in Top Gun: Maverick is one scientifically improbable stunt out of many featured in the film. That being said, is it possible for the human body to be able to withstand such acceleration? The most likely answer is a resounding no.