How fast does a 747 engine spin?

How fast does a jet engine spin?

At full power the blades of a typical commercial jet compressor rotate at 1000mph (1600kph) and take in 2600lb (1200kg) of air per second.

What rpm is 777 engine?

The GE90—installed on some Boeing 777s—is typical in that the fan stage (N1) rotates at a maximum of 2,550 RPM while the compressor stage (N2) rotates at a maximum of 10,850 RPM. The blade tips, at 11,000 RPM, are well above Mach 1, which partially accounts for the high noise levels of a jet engine.

How many horsepower is a 747 engine?

The power per engine for the two aircraft is seen to be 14 984 horsepower and 1646 horsepower for the 747 and Super Constellation, respectively.

Characteristic Lockheed 1049G Boeing 747
Number of engines 4 4
Total cruise power, hp 6 585 59 934
Power per engine, hp 1 646 14 984
Dry engine weight, lb 3 675 8 600

What starts a jet engine spinning?

The compressed air passes through a small turbine on the outside of the engine, causing it to spin. Attached to the turbine is a shaft which is joined by gears to the main engine shaft, and that begins spinning as well. “The blades connected to the engine shaft then start rotating faster and faster,” explains Brand.

Which country has the fastest fighter jet?

Russia Unveils New Fighter Plane That Can Hit Speeds Two Times Faster Than Sound. Russia unveiled its newest fighter jet prototype on Tuesday and is said to be able to hit speeds 1.8 to 2 times faster than the speed of sound, the Associated Press reported.

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Which is faster f22 or f35?

“The F-22 can ramp it up all the way to 2.25 Mach. It climbs at a rate of 62,000 feet per minute whereas the F-35 climbs at 45,000 feet per minute.”