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The forward speed of the airplane is monitored and the conveyor belt is run backwards at that forward speed as the airplane tries to take off. The wheels on the airplane are free rolling (no brakes, no motors). Can the airplane take off?
Oct 08, 2019· In this video, learn how to measure the speed of a conveyor.Learn how to use a tachometer to measure the speed, or how to calculate the speed with just a tap...
Feb 05, 2008· Jet Blast - Conveyor Belt Airplane? - What a silly thread. It doesnt matter how fast the conveyer or wheels are moving. If a prop or turbine is
The Learjet 45 (LJ45) aircraft is a mid-size business jet aircraft produced by the Learjet Division of Bombardier Aerospace.. The Model 45 was the first all-new design since the original Learjet, and significantly altered the Learjet line. Through its four primary variants the original Model 45, the Model 45XR, Model 40 and Model 40XR it was the Learjet Division's principal product ...
On the conveyor belt, the take-off speed (with respect to the ground) would be slightly higher due to the wheel bearing effect and slightly lower due to the wind created by the conveyor belt.
A power take-off or power takeoff (PTO) is any of several methods for taking power from a power source, such as a running engine, and transmitting it to an application such as an attached implement or separate machine.. Most commonly, it is a splined drive shaft installed on a tractor or truck allowing implements with mating fittings to be powered directly by the engine.
Question 1: belt speed = normal take-off speed. (Technologically, this could be done using an aircraft carrier instead of the conveyor belt, and a plane with a very low take-off speed, such as the Gossamer Condor.) Lets answer this first by
Plane on a Conveyor Belt. Myth: A plane on a conveyor belt, matching its takeoff speed in reverse, can't take off. This is a Internet meme popularized by sites like kottke.The original problem states that the conveyor belt matches the forward speed of the plane in reverse, but for this particular mythbusting they tested the conveyor belt moving at the plane's takeoff speed.
Mar 25, 2018· The conveyor belt is designed to exactly match the speed of the wheels, moving in the opposite direction. Can the plane take off? The correct answer is YES! (If you answered no then the last section of this post is for you) How does it take off? The pilot of the 747 will set takeoff thrust and the huge jet engines will start pushing air out the ...
Relative to the conveyor belt, the wheels were actually spinning at 50, in order to achieve 25mph takeoff speed relative to the stationary cones. To fulfill the thought experiment the truck driver needed to accelerate such the plane didn't move. Because the question says "the conveyor belt is designed to exactly match the speed of the wheels".
Oct 24, 2007· If a plane is traveling at takeoff speed on a conveyor belt, and the belt is matching that speed in the opposite direction, can the plane take off? Extensive small-scale testing with a super treadmill and a nearly uncontrollable model airplane don't completely resolve the myth, so our flight cadets supersize the myth with help from a willing ...
Dec 11, 2006· of the comments, I understand why the plane WOULD take off now. Disregard the conveyor for a minute and think of a normal take off ... before the aircraft reaches take-off speed, the aircraft ...
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Sep 12, 2011· Yup.You're right to note, that the speed of belt is matching the takeoff speed (some trolls forget about speed being relative). So the plane will take off
Jan 31, 2008· The body speed of the plane relative to the conveyor is set to the normal takeoff speed, v 0. This will lead to a wing speed of zero relative to the ground. There will be no lift and the airplane will not take off. It turns out, though, that the engine speed needed to achieve this body or wing speed is much, much less than the engine speed ...
From the opposite direction, the same speed conveyor belt, the same speed can be understood as the speed of the conveyor belt and the speed of the aircraft tires are the same, the aircraft can be maintained at a stable point. In fact, this can indeed take off, but it can neither increase the takeoff distance nor reduce the takeoff
Aug 11, 2017· The question goes like this: Imagine a 747 sitting on a large conveyor belt, as long and as wide as a runway. The conveyor belt is designed to exactly match the speed of the wheels, but run in ...
With the engine providing thrust that is greater than the force exerted by the conveyor belt, the plane will accelerate. You only need to reach that amount of thrust. As long as you are at that level or above, the plane will eventually accelerate (given a sufficiently long conveyor belt) to its takeoff speed.
Jan 31, 2018· If the plane has a takeoff speed of 40 mph and is in a 40 mph headwind, it doesn't even need to move at all with respect to the ground. Plane on a Conveyer Belt Now let's do it.
A conveyor belt behaves as a classical Transmission Line. It takes time to accelerate the belt up to speed and also for tension changes to propagate along the belt. The speed of propagation depends on the conveyor elasticity, the belts construction and the material loaded on it. Thus every conveyor belt has a time constant that varies ...
In manufacturing, there are stages which a product that is finally sold is constructed. To ensure consistent quality and higher production rates, an assembly line is the preferred mode. This is suitable for most electronic, electrical pr...
two-conveyors take-off/haul-off Constant torque and therefore pull throughout a wide speed range; Extremely accurate control of speed (0,1%) to enable minimum wall thickness to be achieved and maintained;
Oct 27, 2008· So, at take-off speed, the treadmill simply means that the wheels must now be turning at twice the takeoff speed. This is probably fine, since, probably, W > 2 T . As long as the plane's engines can overcome the friction of the wheels turning twice as fast as normal, it will accelerate forwards relative to the air, achieve T and take off.
Aug 14, 2017· Imagine a 747 sitting on a large conveyor belt, as long and as wide as the runway. The conveyor best is designed to exactly match the speed of the wheels, but run in the opposite direction. CAN THE PLANE TAKE OFF?
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Nov 05, 2013· assuming the conveyor belt can always match the speed, it will rise up to infinity, wheels would melt from friction and plane would crash. Joe says July 22, 2016 @ 13:37
From the opposite direction, the same speed conveyor belt, the same speed can be understood as the speed of the conveyor belt and the speed of the aircraft tires are the same, the aircraft can be maintained at a stable point. In fact, this can indeed take off, but it can neither increase the takeoff distance nor reduce the takeoff distance.
Adjustable speed 12-45 bags/minute. Continuous feed reverse wicket device. Volumetric filler Totally enclosed fan cooled motors UL certified control panel Control panel- includes bag counter and variable speed control for matching conveyor speed to takeoff speed.
Aug 16, 2017· Now the pilot decides to take off. The only difference between a normal takeoff and the one just described is the "unusual" takeoff starts at speed -60mph, and will take a bit longer than usual to reach takeoff speed, and then up, up, and away! The higher the conveyor speed, the longer it would take to reach takeoff speed.
Sep 30, 2015· 2) The treadmill has a maximum speed. If the wheels can survive takeoff velocity plus this speed the plane takes off, else #1. 3) The treadmill has a finite acceleration rate. The plane very well might take off before the treadmill has built up serious velocity.
The forward speed of the airplane is monitored and the conveyor belt is run backwards at that forward speed as the airplane tries to take off. The wheels on the airplane are free rolling (no brakes, no motors).
Jul 17, 2016· To take off the airplane needs speed (airspeed, airflow). So it needs to accelerate. In this text I will discuss how it can accelerate on the conveyor belt (accelerate in relation to air and the outside world not only in relation to the conveyor belt).
Mar 21, 2006· The plane has a top speed of around 120 knots and a takeoff speed of 75 knots. Its a clear, calm day with no wind. The conveyor belt can spin in either direction and has a top speed (relative to the ground around it) of 300 knots.
Theres no way that plane could take off. The conveyor belt keeps pace with the speed of the plane, which means the plane remains stationary from the POV of an observer on the ground, and therefore cannot lift off. Then I read Cecils answer again this evening and Ive changed my mind; Im fairly certain hes right.
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Mar 12, 2008· Interpretation 2: The Conveyor Belt Matches the Takeoff Speed. Under this interpretation, the plane may take off. Whether or not it is able to depends on whether or not the plane is capable of achieving ground speeds of at least twice that of what is necessary for it to take off (i.e. 2.0x).
Jan 30, 2008· MythBusters Episode 97: Airplane on a Conveyor Belt. Premier Date: January 30, 2008. An airplane cannot take off from a runway which is moving backwards (like a treadmill) at a speed equal to its normal ground speed during takeoff. busted.
Feb 22, 2021· Planes use air speed, and a conveyor belt is ground speed. Unrelated. Im not sure how to explain it better. j_tso GRM+ Memberand Reader 2/22/21 3:11 p.m. ^ what he said. An airplane's wheels don't have drive to make them roll, it's the jet pushing the whole craft. ... In order for the plane to take off, the speed of the wheels must exceed the ...