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How long can the 'vomit comet' aircraft produce the conditions of free fall?
Wiki User
∙ 16y ago
25 seconds I thought it would be longer. The free-fall speed of the human body is 120mph. So, the aircraft has to dive and reach a vertical speed of 120mph. If you run the calculations with the a/c starting at 45,000 feet altitude, you would expect the aircraft could "fall" for 4 minutes. But, of course, you have to allow time for the aircraft to pull out of the dive and a little margin for safety. Then there are structural limitations on the aircraft. What is amazing is that the weight-less scenes in the movie "Apollo 13" were filmed using a "vomit comet". This required them to fly over 58,000 dives. The weightlessness is not caused by diving, but by flying upward into a curve (I believe it is called a hyperbolic curve). This curve essentially imitates what a body would do projected upward into a similar curve. I'm sure it's a great deal safer and less stressful (on body and plane) than any "dive" method.
Zero G conditions are achieved just before, during, and after the top of the above mentioned curve. For a informative diagram of this phenomena see the Web Link to the left.
Wiki User
∙ 16y ago
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It is important cause they will vomit
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Can zero gravity be created in the laboratory?
No; creating zero gravity on Earth is not possible, unless the lab is at the center of the Planet or is free falling; like an aircraft accelerating towards the ground, namely the Vomit Comet. Stephen Hawking took that ride!
How do astronauts train for zero-gravity?
Astronauts train for zero-gravity by using specialized simulators like the Neutral Buoyancy Lab's giant pool, which allows them to practice spacewalks underwater to simulate the weightlessness of space. They also use parabolic flights on aircraft that create brief periods of weightlessness. Additionally, they undergo physical conditioning and strength training to cope with the physical demands of living and working in microgravity.
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What is the vomit comet?
A "vomit comet" is an aeroplane that briefly achieves zero G, allowing people and prospective astronauts to experience weightlessness.In general, 65 seconds of flight will achieve 25 seconds of weightlessness.Weightlessness produces nausea and sickness (vomit) in two out of three people and thus the aeroplane earns it's nickname.Zero Gravity Corporation in the US, will allow you - for a fee (Probably including a cleaning change) - to experience this.See related link for more information
Can or has anyone came up with the technology of weightlessness on Earth?
Flying in a parabolic arc is the best we can do presently. Astronauts have to take such training aboard the "Vomit Comet"
Real-life example of free fall?
Technically not real free-fall, but close enough to put the point across: -- jumping or diving from the high board at the pool -- the first several seconds of sky-diving -- the 'vomit comet' aircraft that flies parabolic arcs and gives its passengers, such as astronauts in training, several seconds of weightlessness.
How can you create 0 gravity?
To create zero gravity on Earth, you would need to simulate microgravity conditions by using specialized aircraft like the "vomit comet" that follows a parabolic flight path to create brief periods of weightlessness. In space, zero gravity occurs naturally due to the absence of gravitational pull, like on the International Space Station where astronauts experience microgravity while in orbit around Earth.
