During space-shuttle takeoff, astronauts are exposed to a large effect of gravitational force, somewhere between of 4-5 G strength. Because of that, they are in laying position in relation to the shuttle that takes off vertically.
When we are standing, the heart pump blood upwards, towards the brain, and then, it is resisting the force of gravity. When an astronaut is lying, bloodstream is not submitted to that much pressure during it’s resistance to gravitational forces.
Military jet pilots, who sit in the aircraft cockpit, are losing consciousness at 4 G force. That's why they wear special pants that tighten their legs and abdomen, forcing in this way blood to go up, toward the brain. However, with a special breathing technique, which provides smooth blood circulation, pilots may submit up to 9 G of gravity.
World Record in submitting a very strong effect of gravity holds a British racing driver David Purley. In 1977, in Silverstone, he survived crash, and at that time experienced an amazing 179.8 G when the speed of his car, at the time of crash, suddenly decreased from 173 km / h to zero.
Have you ever experienced a very strong effect of gravitational force? I’m looking forward reading your answers. :)
When we are standing, the heart pump blood upwards, towards the brain, and then, it is resisting the force of gravity. When an astronaut is lying, bloodstream is not submitted to that much pressure during it’s resistance to gravitational forces.
Have you ever experienced a very strong effect of gravitational force? I’m looking forward reading your answers. :)
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