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How do planes stay in sky? - Aircrafts

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masud

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It's called Bernoulli's principle.

Posted on Apr 10, 2017

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Ken Strite

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You may notice that wings are usually curved at the top and fairly flat on the bottom. This causes the air over the top of the wing to move faster and therefore have a lower pressure than the air under the wing. The lower pressure mixed with the high pressure under the wing cause "lift". You can demonstrate this by holding a sheet of paper at one edge and blowing over the top of it. The paper will rise as you blow due to the low pressure you're creating by the faster air flow. It's called Bernoulli's principle.

Posted on Feb 03, 2017

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1 Answer

What happens if a private Cessna 172 pilot tries to land at big airports like JFK or O'Hair when there is no emergency?


It's quite permissible to do so, however a general aviation pilot in a low performance plane should be ready for fast instructions and quite a bit of maneuvering to stay out of the way. The best time to do it would be at night. Here's a youtube video of one doing it. https://www.youtube.com/watch?v=KKvWn317tpU

Jan 04, 2017 | Aircrafts

3 Answers

Is there a speed limit for airplanes?


There are some speed limits for certain types of airspace. Airliners are always in contact with air traffic control and in order to keep the required separation of aircraft sometimes the controllers will ask the pilot to maintain an airspeed. More than likely you experienced a slowdown while your plane was beginning an approach, During approach controllers have to maintain specific spacing between aircraft and often must slow them down behind slower aircraft. Your plane very likely was slowing down from approx 570 knots to 250 knots or less for the approach.

Jan 04, 2017 | Aircrafts

2 Answers

Is flying during a snow shower dangerous? I am going back to Los Angeles from Denver on Wednesday, but there is a snow shower.?


As long as the plane is equipped for icing, which all airlines are, there is not really any added danger to flying in snow. Braking on landing may be affected if there's any accumulation but they keep close track on braking ability as each plane lands at the airport. Snow won't affect the way the plane flies as long as the wings are clear of snow on takeoff.

Jan 04, 2017 | Aircrafts

2 Answers

Why don t airplanes have their own parachute?


Many of the current general aviation planes now come with a ballistic parachute from BRS.

Jan 04, 2017 | Aircrafts

1 Answer

How planes fly without making out of the sky?


Wings provide lift with enough speed against the air mass.

Jan 04, 2017 | Aircrafts

1 Answer

Where can I see a list of which aircraft has been legally flying over our house?


You can use a program like flightaware.com to see flights that are on an instrument flight plan. That won't get you any info on most flights though.

Jan 04, 2017 | Aircrafts

1 Answer

Why no whole-plane parachute system on commercial flights?


Aircraft too heavy. Weight is extremely valuable/expensive and the weight of a parachute system would be too heavy and costly, sacrificing room for paying passengers.

Jan 04, 2017 | Aircrafts

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