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Aerojet Rocketdyne Thrusters help bring Cygnus to the International Space Station



Maneuvering engines supplied by Aerojet Rocketdyne accompanied Orgnital ATK's Cygnus spacecraft for the ninth successful mooring to the International Space Station May 24. The Cygnus arrived three days after take-off aboard an Orbital ATK Antares rocket from Mid-Atlantic Spaceport Wallops Island, Virginia

Each Cygnus is equipped with 32 Aerojet Rocketdyne MR-106M hydrazine engines, 20 on the service module and 12 on the service module pressure load module. These engines, each producing seven pounds of thrust, provide a storage control as the vehicle moves itself in orbit to dock with the station.

"Cygnus is another example of the versatility of our MR-106 engines, whose variants use launchers, orbiting satellites, and interplanetary probes," said Eileen Drake, CEO and President of Aerojet Rocketdyne.

"With more than 3,000 of our MR-1

06 engines, this engine has become an industrial workhorse for reaction control engines."

The Cygnus also uses a single helium pressure vessel supplied by Aerojet Rocketdyne's ARDE subsidiary. The helium tank is used to pressurize the fuel tanks that feed propellants into the Aerojet Rocketdyne engines.

The Cygnus spacecraft typically stays at the space station for a few weeks, during which time supplies are dumped and the resulting volume is refilled with station denied. The spacecraft is then released from the station and directed back into the atmosphere, burning with re-entry along with its contents.

Related Links

Aerojet Rocketdyne

Rocket Science News on Space-Travel.Com



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