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Why can a helicopter reach a terminal speed whilst falling during autorotation?

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Why a helicopter during autorotation could reach terminal speed with out the pilot changing the controls?

Three forces work here. There is gravity, air resistance and the lift force made by the blades autorotation. When the air resistance and gravity forces are equal in strength, this means that the helicopter has reached its terminal velocity. It cannot fall any faster than it is. As the helicopter is using auto-rotation, the pilot does not need to change any controls because the forces will balance out themselves. The helicopter, with the aid of the still spinning blades of the helicopter, will be able to make a safe landing.


Why a helicopter falling during auto-rotation could reach a terminal speed without the pilot changing any controls?

The helicopter begins to fall because gravity is pulling its weight. As the helicopter accelerates, the air passing past the helicopter creates drag, as the helicopter continues to accelerate the drag Increases until the drag becomes equal to the weight, stopping it from accelerating. Even if the helicopter did not auto rotate it would still reach a terminal speed, however the terminal speed for the non auto rotating helicopter would be a lot higher and the helicopter would take longer to reach this speed.


What is effect of the weight of the helicopter on the terminal speed - slide3?

The weight of the helicopter affects the terminal speed by influencing the rate at which the helicopter falls. A heavier helicopter will reach a higher terminal velocity compared to a lighter helicopter, as the force of gravity will be greater on the heavier helicopter, causing it to accelerate faster. Additionally, a heavier helicopter may require more lift to counteract its weight, which can also impact its terminal speed.


Why a helicopter falling during auto-rotation could reach a terminal speed?

During auto-rotation, a helicopter's main rotor generates lift from the relative wind passing over the blades as the helicopter descends. If the helicopter dives too steeply during auto-rotation, the increased airspeed can cause the rotor blades to stall, reducing lift and potentially allowing the helicopter to reach terminal velocity. At terminal velocity, the forces of gravity and air resistance are balanced, leading to a constant descent speed.


Effect of changing load on alternator?

by changing load its terminal voltage changes.


What is the terminal velocity of a helicopter?

Terminal velocity is generally associated with a falling object, not a powered one. Therefore I must assume that the helicopter has experienced Engine/rotor failure. Rotor failure is important because even unpowered, the rotor can be used (auto-gyro) to safely land.Let's supposed the rotors have been blown off. The falling body of the helicopter will reach a 'Terminal Velocity' of between 100 and 140 mph, depending on its Drag value. Its drag value will depend on its shape and size.


A skydiver steps from a helicopter and falls for 5 seconds before reaching her terminal velocity During this 5 second interval her acceleration will?

increase- your speed will increase until terminal velocity is reached. From there it will stay constant.


How do you get a bus on Gameloft's Gangstar Rio when I have only seen one once in two months?

buy an helicopter and fly over the train terminal near the first safe house you should see a bus but you have to be inside the helicopter


What is it called When an objects speed is not changing?

Terminal velocity if it has reached its top speed. Or obviously constant speed.


What happens when an object is dropped from a helicopter?

When an object is dropped from a helicopter, it will fall due to gravity. Its speed and direction will be influenced by air resistance and any wind present. The object will accelerate until it reaches its terminal velocity, which is the maximum speed at which the air resistance equals the force of gravity.


Why can't I press on Terminal for Mac?

The Mac OS X Parental Controls section of System Preferences allows for the blocking of access to certain applications. Terminal would be a good choice to block if the owner did not want their computer messed with.