Favourite answer. The limit initially was the amount of fuel that could be stored for the flight, but aerial refueling extended that parameter. Your question is really incomplete. An ordinary airplane (or aeroplane) must move forward at or above a certain speed to stay in the air. When a plane moves forward on the runway, the air that rushes past its wings goes a different path above and below the wing. Air is a mixture of different gases; oxygen, carbon dioxide and nitrogen. First off, let’s hope that such a scenario never arises. When moving air encounters an obstacle—a person, a tree, a wing—its path narrows as it flows around the object. When an airplane is airborne, why does it have to travel when it can just stay put at a safe distance above the earth, wait for the earth to rotate and then land when its destination landing nation is available. Even so, the amount of air moving past any point at any given moment within the airflow is the same. 1. Lift pushes the airplane up. David Lentink Lab, Stanford University . Maria Walach answered on 14 Mar 2019: last edited 14 Mar 2019 2:05 pm Great question! Can an xbox 360 fly in a plane without being damaged? In 1640, Evagelista Torricelli discovered that air has weight. This video explains how huge airplanes that weigh over 1 million pounds are able to fly in mid-air without falling. 12 Answers. 3. 2010-01-21 13:16:57. Flight can stay in the air without moving? Four forces keep an airplane in the sky. 4. First attested in English in the late 19th century (prior to the first sustained powered flight), the word airplane, like aeroplane, derives from the French aéroplane, which comes from the Greek ἀήρ (aēr), "air" and either Latin planus, "level", or Greek πλάνος (planos), "wandering". Favourite answer. 0 0 Vernon Dudley Bohay-Nowell There are a few--I mean like fewer than half a dozen--specialized designs that can take off and land vertically and hover like a helicopter. Chris H. Lv 6. Moving air has a force that will lift kites and balloons up and down. Top Answer. Warren D. 1 decade ago. 7 8 9. A lightly weighted aircraft can fly slower than a heavy one, but even flying just above stall speed you would need a headwind well over 100mph in order for a jet to be stationary with respect to the ground. Keywords: air, gravity, plane; Asked by Libby to Maria on 14 Mar 2019. Answer Save. Air pressure is created by the molecules moving around. Relevance. 0. If a fast plane arcs upwards, there will be a point at which it is not passing air around the wings in a way that gives it lift, and at that point it stalls. The Economist highlights how MIT researchers have developed the first plane that is powered by an ion drive and has no moving parts. Bernoullies or aerodynamic lift acting upward. If there’s no air to begin with, how in God’s name could you think of flying an airplane at that altitude? With a parachute on, you can still hope to land safely, but jumping out of an aircraft without a parachute is obviously a last resort, so it should only be considered when there’s no other viable option of escape from an … This faster moving air creates a lower pressure above the wing which creates a 'lifting' motion as the high pressure below the wing wants to diffuse to the lower pressure. It has to do with the movement of air, which is typically referred to as a fluid in aerodynamic descriptions. They are lift, weight, thrust and drag. All things that fly need air. “The use of an ion drive means the MIT craft contains no moving propulsion parts in the form of propellers or jet engines,” The Economist explains. Helicopters can stay in one spot because their "wings" are the blades on their rotors, which spin constantly. Without a headwind, this wouldn't happen. How birds stay in the air A new tool that measures the force needed to keep a bird aloft could spawn flying, flapping robots A Stanford University student trains a Pacific parrotlet to fly to a designated perch. A Boeing 737 or A320 can manage very roughly six hours, though there are variants that can go further. if so how long it is possible. Weight is the force that pulls the airplane toward Earth. The spinning of the rotor keeps these blades/wings moving through the air, so they produce lift even if the rest of the helicopter is standing still. a true hover- airspeed is 0, and the aircraft is maintaing a fixed position over an object on the ground. 0 3. Air has power to push and pull on the birds, balloons, kites and planes. An aeroplane relies upon different air pressure to stay in the sky. thnkx. Unlike satellites, no. Some model aircraft with good power to weight ratio can balance in the air pointing vertically. If the airspeed is strong enough, i.e. In order to stay in the air, ... An object between the train and the plane (moving in opposing directions) would act as somewhat of a pivot point to your line of sight. See Answer. How long can an aeroplane stay up in the air without refueling? We often think of air as being too thin and lightweight to exert much of a force, but for a fast aircraft with sufficiently large wings of a cleverly chosen shape, our atmosphere can do the job. In short, air becomes increasingly thinner with increasing altitude, until the point when there is no air at at all; it is (almost) a vacuum up there. Yes they can, they ship them via plane everyday. Airplane lift, generated by each part of an aircraft, is a force that works in direct opposition to the weight of an aircraft. We take air travel for granted, whether for business or pleasure, but what actually keeps an aeroplane in the air? It can be a solo event, or multiple people can take turns piloting the aircraft, as long as all pilots remain in the aircraft. Airplanes stay up in the air because of the aerodynamic force referred to as lift. 2. But if you think about it, this short take off is very much like the car on the treadmill. Answer Save. For the wind conditions, the aircraft is still "flying" as the air is passing the over the wings, and will still have an true airspeed greater than the stall speed, but the ground speed is 0 or negative forward speed. 1 decade ago. is it possible to stop a plane stay in air without any movement like helicopter do. Just as we know that 2+2 equals 4, rather than 5, we also know that Earth rotates on its axis all the time. Relevance. Lv 5. Consider following vertical forces and thier resultant. Favorite Answer. Etymology and usage. 1 decade ago. Anonymous. The flight endurance record is the longest amount of time an aircraft of a particular category spent in flight without landing. Can a plane stay on air without moving? Question: how can an aeroplane stay in the air without being pulled down by gravity? Basically the wings are designed so that the air going over the top of the wings travels faster than the air going beneath the wing. Answer Save. This can be done in a lifesize aircraft just yet. Relevance. As the plane's engines move the wings forward, the air has to flow both over and under them. 12 Answers. Favourite answer . En-route or stooging around? can passenger areoplane stay in the air without moving forward for a while? Harrier jump jet. 1 decade ago. Yes an aeroplane can stay in air without any movement for some time only because aeroplane relies upon different air pressure to stay in the sky. Airplanes are in the atmosphere, even at cruising height, so in order to stay in the sky, they have to keep moving forward to get lift. There are only a few, and the technology is difficult and costly to implement. Flying machines like airplanes and choppers need lift to stay airborne, which is generated by air. Commercial airplanes cannot stay still in the air, but they can slow to just above stall speed, and the aircraft will look/feel like it is not moving. Necoo. How do airplanes stay in the air? Following is a transcript of the video. Airplanes are built so that their weight is spread from front to back. is it possible for an aeroplane to stay in air without moving?? 35 Answers. An airplane can be stationary over the ground if the air is moving over the ground quickly enough. An aircraft is a vehicle that is able to fly by gaining support from the air.It counters the force of gravity by using either static lift or by using the dynamic lift of an airfoil, or in a few cases the downward thrust from jet engines.Common examples of aircraft include airplanes, helicopters, airships (including blimps), gliders, paramotors and hot air balloons. Wolfie. For this to happen, the air must either compress or speed up where its flow narrows. These small birds helped researchers measure the force needed to keep each flier aloft. Relevance. A lot of long range jets like the 787 and A380 can go around 16 hours. Thrust acting upward. 10 Answers. The last resort. “It can fly silently and without direct emissions from burning fossil fuels.” Asked by Wiki User. The shape of the wings helps with lift, too. Can an aeroplane stand still in air without flying? The way air moves around the wings gives the airplane lift. Wiki User Answered . Weight acting downward. 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