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The Zero Gravity Research Facility is a vertical vacuum chamber used for dropping experiment payloads for testing in microgravity. It enables the investigation of the behavior of components, systems, liquids, gases, and combustion when dropped in vacuum.
The Zero Gravity Research Facility was built in 1966 as part of NASA's Centaur upper-stage rocket development program. In order to ensure proper firing and functioning of upper-stage rockets, NASA needed to understand the behavior of fluids (importantly, the liquid gases fueling the rockets), in the reduced gravity where they would fire.
The aluminum test chamber is a vacuum-tight aluminum plate vessel that is 100 feet (30 m) in diameter and 122 feet (37 m) high. Designed for an external pressure of 2.5 psi (17 kPa) and internal pressure of 5 psi (34 kPa), the chamber is constructed of Type 5083 aluminum which is a clad on the interior surface with a 1 ⁄ 8 in (3.2 mm) thick type 3003 aluminum for corrosion resistance.
In the late 1980s NASA began to consider replacing its previous neutral-buoyancy training facility, the Weightless Environment Training Facility (WETF). The WETF, located at Johnson Space Center, had been successfully used to train astronauts for numerous missions, but its pool was too small to hold useful mock-ups of space station components of the sorts intended for the mooted Space Station ...
Varda Space Industries is a privately held American space research company headquartered in El Segundo, California.Founded in January 2021, [1] the company designs, builds, and flies spacecraft that process pharmaceuticals in microgravity.
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Chamber B is smaller, with a diameter of 20 feet (6.1 m), and is served by two 100,000 pound cranes. Like Chamber A, it has two airlocks; one of them is configured to a water deluge system and other elements needed to simulate oxygen-rich environments encountered on spacecraft.
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