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The sensory disorientation of returning from a prolonged banking turn to wings-level flight can cause the pilot to re-enter the banking turn, as in the graveyard spin illusion. While the plane continues in the turn and begins to indicate a loss of altitude, the pilot will try to correct the loss of altitude by "pulling up" on the plane's controls.
If the aviator then ends the turn or spin and returns to level flight, the continued motion of the fluid will cause a sensation the aircraft is turning or spinning in the opposite direction, and the pilot may re-enter the original turn or spin inadvertently; the aviator may not recognize the illusion before the aircraft loses too much altitude ...
Airships use a ship's wheel, helicopters use a cyclic, [14] and the majority of military fighter aircraft use a center or side-stick. Some light aircraft use a stick due to pilot preference. The latest Airbus family of passenger jets use a side-stick, similar to a joystick, to actuate control surfaces. [15] [16]
During landing, the reverse happens when the nose-wheel touches the runway and the wing assumes a negative angle of attack with no lift. For aircraft with a tailwheel, the pilot initially pushes forward on the yoke during the takeoff run, lifting the tailwheel off the runway, and the aircraft lifts off the runway once sufficient speed is achieved.
The 20 g centrifuge at the NASA Ames Research Center. High-g training is done by aviators and astronauts who are subject to high levels of acceleration ('g'). It is designed to prevent a g-induced loss of consciousness (g-LOC), a situation when the action of g-forces moves the blood away from the brain to the extent that consciousness is lost.
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The wagon-wheel effect (alternatively called stagecoach-wheel effect) is an optical illusion in which a spoked wheel appears to rotate differently from its true rotation. The wheel can appear to rotate more slowly than the true rotation, it can appear stationary, or it can appear to rotate in the opposite direction from the true rotation ...
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