Aging robot arm gets spacewalk surgery

Aging robot arm gets spacewalk surgery

Aging robot arm gets spacewalk surgery

For Expedition 53 Commander Randy Bresnik, this is his second mission to the International Space Station.

Then last that means, the in third spacewalk NASA astronaut Joe Acaba will join Bresnik on October 15th to perform more changes and another camera replacement.

The outing by Americans Randy Bresnik and Mark Vande Hei ended at 3pm (3am on Friday Singapore time), marking a "very successful day", a Nasa spokesman said.

Astronauts will replace one of the two Latching End Effectors on Canadarm2, lubricate the new component and replace cameras at two locations on the station's truss.

NASA says Canadarm2 helped build the station and keep it running. Joe Acaba arrived at the space station September 12 for his third mission to space.

A few moments later, Vande Hei, making his first spacewalk, made his way outside. Vande Hei, EV-2, is wearing an unmarked suit and is using helmetcam 20. A total of three such spacewalks have been scheduled for the month of October, of which the first will commence on Thursday, informed NASA. The effectors serve as a grappling mechanism, allowing the space stations arm to receive and manipulate visiting cargo vehicles and payloads. The arm also can mount itself atop a mobile transporter that runs on rails along the front side of the station's solar power truss to move the arm to various work sites.

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They replaced one of two Latching End Effectors (LEE) which had lost the ability to grip effectively, said the U.S. space agency.

Linking students directly to astronauts aboard the space station provides unique, authentic experiences created to enhance student learning, performance and interest in science, technology, engineering and math (STEM).

The latching mechanism on one end of the 58-foot robot arm malfunctioned in August. It hasn't caused any slowdown in standard ISS operations, and the crew keeps a spare LEE around in case of just such an emergency.

The next two spacewalks, on October 10 and October 18, will focus on lubricating the joints in the new LEE using a device called a ballscrew lubrication tool, or BLT.

Vande Hei and Bresnik plan to step out on another spacewalk Oct 10, with the third set for Oct 18.

Similar to the International Space Station, this new space station will be open to to astronauts and cosmonauts globally.

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