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8 answers

Good explanations of reverse thrust, but they also have anti-lock brakes which also stop shorter than brakes that lock up.
They can stop even shorter, because maximum braking is seldom used on passenger planes because of passenger comfort. Cargo planes use it more often, because the pilots are not discomfited by the sudden stop.

2007-09-16 03:02:12 · answer #1 · answered by eferrell01 7 · 0 1

Reverse thrust is pretty much as it sounds. All the thrust that gets you off the ground and pushes you in the sky is being forced in the opposite direction having the same affect on the plane as it does throughout the flight, only in the opposite direction. The plane stops so fast because of this and also because of the flaps and air-brakes causing drag. The less aerodynamic the plane becomes, the fast it slows down. And don't forget about the regular brakes. They are the same concept as the brakes in your car but only a lot more powerful.

2007-09-16 18:25:23 · answer #2 · answered by Tyler 2 · 0 1

Reverse thrust works by redirecting the thrust of the engine towards the front of the aircraft. This can be done two ways on a jet. One by moving a portion of the cowling to the rear and the other by moving clamshell doors to cover the rear of the exhaust. Once those pieces have moved, the thrust is increased to provide maximum effect. We also use our brakes in tandem with the use of reverse thrust, this allows us to stop in as short a distance as possible.

2007-09-16 06:53:39 · answer #3 · answered by IFlyGuy 4 · 3 0

Jet engines makes forward thrust by pushing air out the back. When a jet plane lands, that engine trust is DUCTED towards the front instead of the back (therefore pushing the plane backwards - or reverse thrust).

Next time you take a ride on a jet, get a seat just aft of the jet. And watch the engine as it touches down. Depending on the design, part of the engine moves to covers the back exhaust and directs the air towards the front.

Good Luck.

2007-09-16 06:01:24 · answer #4 · answered by Lover not a Fighter 7 · 1 0

On landing, after the nose wheel is lowered, the pilots apply reverse thrust to shorten the landing roll. When reverse thrust is applied, the jet wash from the engines is re-routed towards the front. The pilots then increase power to obtain maximum braking effort from the engines before applying normal brakes and coming back on the power. The engines, in this case provide a fair amount of braking prior to being supplemented by the normal brakes.

2007-09-16 04:48:37 · answer #5 · answered by al_sheda 4 · 0 1

There's a cable that runs across the top of the lfight deck, when the plane comes in and lands, there's a hook hanging down from the plan that catches on and they get stopped.

If you have the Discovery Science channel you'll probably see a program about it some time.

2007-09-16 04:29:50 · answer #6 · answered by Skaggy says: 5 · 0 2

normal thrust pushes air from the turbines back, increasing the forward velocity of the plane. When the airplane is landing instead of using breaks that will wear out very quickly, the airplane spins its turbines the opposite direction thus reverse thrusting. Air is pushed forward and slows the plane down.(increases backward velocity to equilibrium until the plane stops.)

2007-09-16 04:33:58 · answer #7 · answered by clueless 2 · 0 4

http://en.wikipedia.org/wiki/Thrust_reverser

2007-09-16 04:31:25 · answer #8 · answered by J_DOG 3 · 0 0

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