How a plane can dive vertically?

Discussion in 'Physics & Math' started by Saint, Mar 23, 2022.

  1. Saint Valued Senior Member

    Messages:
    4,550
    How a plane can dive vertically?
    Both engines do not work?
    Tailplane damaged?
     
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  3. RainbowSingularity Valued Senior Member

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    why not flight controls to glide and try a proper landing ?
     
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  5. Seattle Valued Senior Member

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    7,757
    How about providing some context to this question? How can a plane dive vertically? You just push the yoke in, the nose goes down and you are diving vertically.

    What is your real question? Was there a recent airline crash that you have some questions about?
     
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  7. Seattle Valued Senior Member

    Messages:
    7,757
    How is this a response to the question "How can an airplane dive vertically"?

    Again, this is in response to some particular recent crash?
     
  8. RainbowSingularity Valued Senior Member

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    7,211
    https://abcnews.go.com/Technology/wireStory/explainer-china-eastern-plane-crash-83593060

    EXPLAINER: What is known about the China Eastern plane crash
    The crash of a Boeing 737-800 passenger jet in China’s southwest started a fire big enough to be seen from space and forced rescuers to search a rugged, remote mountainside

    The cause is unknown. Flight 5735 was at 29,000 feet (8,800 meters) on Monday afternoon when it went into a dive about an hour into its flight, according to flight-tracking website FlightRadar24.com.

    The plane plunged to 7,400 feet (2,200 meters) before regaining about 1,200 feet (360 meters), then dived again. It crashed into the side of a mountain in a remote, forested area outside the city of Wuzhou.

    State media and Chinese regulators gave no indication the pilot reported trouble or other information that might shed light on the cause of the disaster. The plane stopped transmitting data 96 seconds after it started to fall.
     
  9. Saint Valued Senior Member

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    4,550
    Can the plane system detect dangerous diving which is abnormal and refuse to dive?
     
  10. billvon Valued Senior Member

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    20,656
    Yes the Airbus systems do this. However, it is extremely difficult to force most planes into a vertical dive due to something called longitudinal static stability. Aircraft are designed so that when speed increases, "backpressure" (force pulling back on the yoke) also increases. Thus when the nose points lower, speed increases, backpressure increases and the nose comes back up.
     
  11. billvon Valued Senior Member

    Messages:
    20,656
    The two sets of data that aircraft transmit are ADS-B, an automatic broadcast of location and speed data, and transponder codes and altitude. which responds to a radar ping by sending back a stronger ping with transponder code and altitude encoded in the reflection.

    Both can be shut off by the pilot. Both also can fail when power goes out, but there are so many redundant systems that provide power for these systems that it is unlikely that any one power generator failure would cause it. Thus the two most likely causes are a catastrophic failure that removes all the electrical power from the aircraft, or intentional pilot action.
     
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