I was extremely focused on my project and I noticed every micro-change in the gravity. Due to a mishap caused by hanging camera’s around my neck (discussed later), I spent time being strapped in a seat. Some record that since the pilots are strapped in and completely focused on flying smoothly, they don’t notice the constant shift in G-forces. The change from 2G to 0G to 2G and so on was repeat as the plane “parabolas,” a term used to describe the up and down curved shape of the plane’s path. But all too quickly the G force increases. Thus, resulting in a zero G force inside the plane. During this fall lasting about 30 seconds the plane’s acceleration equaled that of Earth’s acceleration of gravity. About 60 seconds later, the plane started “over the top” falling 8,000 feet (2,440 meters) or so until the plane pointed down about 30 degrees. After leveling off at 26,000 feet (7,925 meters) the pilots pulled the plane upward at a 45-degree angle. The changes in the apparent gravity within the plane are due to shape of the flight path, which is much like that of a roller coaster’s track. To prevent injuries, one of the NASA crew gives a loud warning of “Coming Down.” Hearing this you know that you have only seconds to get to the floor and secure your self. Everything that is floating is slammed down twice as hard as it would be from the same height at Earth’s normal gravitational force of 1G. When the bag is removed, you are to use it to rub any liquid on your mouth into the bag.ĭuring the ride, periods of zero gravity lasts only about 30 seconds then the G force increases rapidly to 2Gs. To keep vomit contained, a barf bag must be held tightly around your mouth. Your body may propel fluid from your stomach out of your mouth, but with no gravity, the material floats instead of falling. This is because of gravity, which is 1G on Earth.
#Vomit comet how to#
Who doesn’t know how to vomit? On Earth, when you vomit the material leaves your mouth and falls downward. At the time I wondered about the need for this extended training.
But there are dangers that most are not aware of.īefore boarding the plane we were given specific directions for how to vomit. Without restraints and being confined within the plane’s padded inside surfaces, things and people float at 0 G. But riders in NASA’s KC-135 airplane experience the “ultimate roller coaster ride.” This plane, aptly called the “Vomit Comet”, allows passengers to experience changes in gravity from 0G to 2G. Many find a roller coaster ride thrilling. The effect that it had on my body can be summed up in the nickname given to the plane, which is “THE VOMIT COMET.” I had the opportunity to ride in NASA’s KC-135, which is a specially equipped plane used for testing the effect of weightlessness.
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