How fast does a plane go on the runway before takeoff?

In order for a plane to take off, it must be going fast enough for the wings to generate enough lift to overcome the force of weight. A Boeing 747 under standard conditions must be going 296kph (184 mph) to take off. Additionally, weather factors can affect the ground speed need for takeoff.



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In order for a plane to take off, it must be going fast enough for the wings to generate enough lift to overcome the force of weight. A Boeing 747 under standard conditions must be going 296kph (184 mph) to take off. Additionally, weather factors can affect the ground speed need for takeoff.

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Having said that, 150 knots is the approach speed for maximum landing weight on the B737-800 with flaps 30 and can be around 130 knots at lower weights. 5 knots are usually added for a target speed of 135 to 155 depending on weight.

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As the plane descends into ground effect, it may actually accelerate if the engines are producing enough thrust, since in ground effect the plane requires much less power to keep flying. Power from the engines will translate into speed, if not height.

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Landing. While landing, speed is largely affected by the aircrafts current weight, commercial airplanes typically land between 130 and 160 mph (112 to 156 knots).

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Specifically, the cruising speed of commercial airliners is typically around 550-600 mph, or Mach 0.85. Takeoff and landing speeds are much slower, typically between 130-180 mph, depending on the aircraft and weather conditions.

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Do commercial planes fly at maximum speed? Large commercial jets fly from 550 to 580 miles per hour, but their landing and take-off speeds vary. Most commercial jets fly from 160 to 180 miles per hour, with landing speeds ranging from 150 to 165 miles per hour.

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Airplanes rely on a braking system to safely land on runways. At cruising altitude, most commercial airplanes fly at a speed of roughly 500 to 600 mph. When landing, however, they must reduce their speed.

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Yes many have run off the ends of runways. sometimes to major damage and injury to pots and passengers some times there is no damage and after inspection the aircraft goes back k into service.

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The only function for the wheels is to produce low friction between the aircraft and the ground. They don't even push the plane forward—that is done by the propeller. The only difference when launching a plane on a moving runway is that the wheels will spin at twice the normal speed—but that shouldn't matter.

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Slowest aircraft The Ruppert Archaeopteryx has a certified stall speed of 30–39 kilometres per hour (19–24 mph). The Vought XF5U can fly as slow as 32 kilometres per hour (20 mph). The Tapanee Pegazair-100 stall speed is 45 kilometres per hour (28 mph).

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The reason planes cruise at high altitudes is that they burn less fuel and can fly faster, as the air is less dense. At 30,000 feet and higher, it is also possible for aircraft to avoid weather systems, making it more comfortable onboard.

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In jet aircraft, an overspeed results when the axial compressor exceeds its maximal operating rotational speed. This often leads to the mechanical failure of turbine blades, flameout and total destruction of the engine.

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The biggest reason for flying at higher altitudes lies in fuel efficiency. The thin air creates less drag on the aircraft, which means the plane can use less fuel in order to maintain speed. Less wind resistance, more power, less effort, so to speak.

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All airplanes will be exposed to drag during flight. They must overcome this aerodynamic force to achieve and maintain lift. Otherwise, airplanes would essentially fall out of the sky. Air brakes are control surfaces that increase drag so that airplanes slow down during flight.

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How Fast Does a 747 Go To Take Off? A typical takeoff speed for a Boeing 747 is around 160 knots (184 mph), depending on the jet's wing flap configuration, the number of passengers aboard, and the weight of their luggage, fuel load, current weather conditions, and other factors.

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