The investigation into the spacesuit leak in July is now awaiting the return of equipment from ISS.

The investigation into the spacesuit leak in July is now awaiting the return of equipment from ISS.

The station astronauts removed a cooling system pump and small contaminants found in the garment’s Primary Life Support System plumbing. The old fan pump separator and the preserved contaminants, including a 1-cm. piece of plastic, will return to Earth aboard Russia’s TMA-09M crew transport late Nov. 10 with Parmitano, NASA astronaut Karen Nyberg and ISS Russian commander Fyodor Yurchikhin. The hardware and contaminants will then be flown by NASA transport from the Kazakh landing site to Johnson Space Center, where a Mishap Investigation Board (MIB) hopes to quickly complete its probe of the worrisome incident.

Though it appears they have narrowed the problem to a small number of components, the need to return these components to Earth illustrates an overall design flaw with the space spacesuit. When the shuttle was flying regularly these components were easy to return to Earth, which is why NASA designed its suit for maintenance on the ground. Now that the shuttle is gone, however, it is difficult to get components returned, which makes spacesuit maintenance difficult if not impossible.

Spacesuits need to be repairable in space. If you are orbiting Mars and one fails, you can’t call in a repairman from Earth to fix it.

Chris Hatfield describes how a bureaucratic tangle with the space doctor bureaucracy almost grounded him before his ISS expedition.

Bureaucracy in space: In a new book, astronaut Chris Hatfield describes how a bureaucratic tangle with the space doctor bureaucracy almost grounded him before his ISS expedition.

“The secrecy and paternalism really bothered me. They trusted me at the helm of the world’s space ship, but had been making decisions about my body as though I were a lab rat who didn’t merit consultation.” The “they” Hadfield refers to are members of the Multilateral Space Medicine Board (MSMB), a body of representatives from the U.S., Canada, Europe, Japan and Russia who judge the medical fitness of astronauts to go on missions. ….

The bureaucracy wanted Hatfield to undergo an emergency operation to make sure everything was okay. He refused,

triggering what Hadfield describes as a “Kafkaesque” journey through “a bureaucratic quagmire where logic and data simply didn’t count.” … “Internal politics and uninformed opinions were what mat­tered,” he says in the book. “Doctors who hadn’t ever performed a laparoscopic proce­dure were weighing in; people were making decisions about medical risks as though far greater risks to the space program itself were irrelevant.”

I find this interesting in that, of the astronauts I have interviewed over the years, I can’t remember any who had good words to say about the official government doctors they had to deal with, both in the U.S. and in Russia.

Except for a troublesome fan, the first Cygnus cargo capsule to dock with ISS is performing perfectly.

Except for a troublesome fan, the first Cygnus cargo capsule to dock with ISS is performing perfectly.

The fan has been a minor issue. The astronauts have simply turned it off periodically when it started to act up. What is really important is this:

The next Cygnus – along with its Antares launch vehicle – is already being processed at Orbital’s Wallops facility, with a target launch date of December 15, with an available launch window through to December 21.

An eleven year old’s experiment in brewing beer in space will fly to ISS on the next Cygnus cargo flight in December.

An eleven year old’s experiment in brewing beer in space will fly to ISS on the next Cygnus cargo flight in December.

The tiny brewery is set up inside a 6-inch-long (15 centimeters) tube, filled with separated hops, water, yeast and malted barley — all of the key ingredients used to make beer — and will be delivered to the station by the commercial firm NanoRacks. An astronaut aboard the station will shake up the mixture to see how the yeast interacts with the other ingredients in the beer. “I really didn’t expect this from the start,” Bodzianowski told KDVR, a Fox affiliate in Denver. “I really just designed my experiment to get a good grade in my class.”

Because of the scheduled arrival of a Soyuz manned capsule to ISS on Wednesday, NASA and Orbital Sciences have decided to delay Cygnus’s rendezvous and berthing until Saturday.

Because of the scheduled arrival of a Soyuz manned capsule to ISS on Wednesday, NASA and Orbital Sciences have decided to delay Cygnus’s rendezvous and berthing until Saturday.

As far as I can tell, the software glitch and the delay are relatively minor issues, being handled with due care and caution, and will not prevent the eventual docking. More important, they are not serious enough to require any major design changes to Cygnus, which means the freighter will be able to begin operational flights soon after this demo flight is completed.

The astronauts who returned to Earth from ISS on September 10 were flying blind.

Another Russian space glitch: The astronauts who returned to Earth from ISS on September 10 were flying blind.

The altitude sensors apparently failed soon after undocking. Since the Soyuz craft is not piloted but returns to Earth automatically, this failure was not crucial. That it happened, however, sends another worrisome signal about declining Russian quality control standards. If this system failed, why couldn’t another more crucial one fail as well?

NASA has put Orbital Sciences on notice that, assuming its demo cargo mission to ISS in two weeks is a success, the company might have to do it again as soon as December.

The competition heats up: NASA has put Orbital Sciences on notice that, assuming its demo cargo mission to ISS in two weeks is a success, the company might have to do it again as soon as December.

SpaceX is supposed to fly its next cargo mission first, but NASA thinks that flight will be delayed because of development issues with the upgraded Falcon 9 rocket.

Despite the astronauts’ success on ISS in recreating the spacesuit water leak, NASA engineers still do not know its cause.

Despite the astronauts’ success on ISS in recreating the spacesuit water leak, NASA engineers still do not know its cause.

What is unstated about this problem is that, because we used to have a big space shuttle with lots of cargo capacity, the American spacesuit was designed to be maintained and repaired on the ground. In the past the next space shuttle flight would have brought a new spacesuit to the station while taking this defective suit back to Earth for analysis and repair. Now that we don’t have a big space shuttle, our complex spacesuits are far more difficult to troubleshoot.

The solution? First, keep it simple. The Russians, limited by the capacity of their Progress and Soyuz capsules, made their Orlan spacesuit very simple and easy to use.

Second, get as many redundant replacements of the shuttle operating as soon as possible.

Astronauts on ISS have successfully recreated the water leak in the defective spacesuit that almost drowned an astronaut last month.

Astronauts on ISS have successfully recreated the water leak in the defective spacesuit that almost drowned an astronaut last month.

They now have a very good idea of the components that caused the failure, and will be able to replace these with new parts. The next step will be to test the suit under the same conditions with the new parts.

Formation flying in space, without propellants.

Formation flying in space, without propellants.

Electromagnetic formation flight (EMFF) gets around this propellant problem by turning the satellites in a formation into electromagnets. By using a combination of magnets and reaction wheels, spacecraft in formation can move and change their attitude and even spin without propellant. Satellites can change their polarity to attract or repel one another, turn, or shift their relative positions in any manner that doesn’t require changing the center of gravity for the entire formation.

A prototype is going to be tested inside ISS in the near future.

The Russians have begun a six-hour spacewalk today on ISS to prepare the station for the arrival of a new Russian module.

The Russians have begun a six-hour spacewalk today on ISS to prepare the station for the arrival of a new Russian module.

The article also outlines the continuing investigation into the American spacesuit problem from the last American spacewalk, where an astronaut’s suit began to fill with water from an unknown source. It appears they have pinpointed the most likely cause of the leak, but appear to be having problems recreating the failure.

Update: The Russian spacewalk is over, all tasks completed.

Assuming the first demo berthing of Orbital Sciences’ Cygnus capsule to ISS goes well in September, NASA has now scheduled the subsequent cargo missions of Cygnus and Dragon for December and January respectively.

Assuming the first demo berthing of Orbital Sciences’ Cygnus capsule to ISS goes well in September, NASA has now scheduled the subsequent cargo missions of Cygnus and Dragon for December and January respectively.

The second link above also provides some interesting details about the cargo that Dragon will carry in January.

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