For more info visit http://www.nasa.gov/content/goddard/nasa-tests-new-robotic-refueling-technologiesNASA's Goddard Space Flight Center in Maryland and Kenne...
Millions of cars are refueled each day. How difficult could it be for a robot to fill up a satellite?
RROxiTT is a multi-Center, remotely controlled test of new technologies that would empower future space robots to transfer hazardous and corrosive satellite oxidizer into the propellant tanks of spacecraft in space today. The test is being conducted on the ground at both NASA Goddard Space Flight Center and Kennedy Space Center. To simulate mission conditions, the oxidizer is being transferred at flight-like pressures and flow rates.
When Alex Janas, lead roboticist for the RROxiTT demonstration, steps up to his console at Goddard in Maryland to drive the RROxiTT robot, he is not going to have a robot, tool or a propellant pump in sight. Every other piece of hardware for the test is located about 800 miles away at the Payload Hazardous Servicing Facility at KSC in Florida.
It also contains an adjustable, deployable-length hose delivery system. Roughly the size of a roll of quarters, the PTS pump is designed to deliver the oxidizer at high pressure and at flow rates required for bubble-free formation in the individual client tank — an extremely important factor for client propulsion system performance. The system uses very little power, a precious commodity in space flight.
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