Tag: NASA

Planning the first launch abort test of the Dragon capsule.

2:12 pm

Planning the first launch abort test of the Dragon capsule.

The in-flight abort test will take place along Florida’s space coast. During the test, a Dragon spacecraft will launch on a standard Falcon 9 rocket and an abort command will be issued approximately 73 seconds into the flight. At that point, the spacecraft will be flying through the area of maximum dynamic pressure, or Max Q, where the combination of air pressure and speed will cause maximal strain on the spacecraft.

Dragon will be outfitted with about 270 special sensors to measure a wide variety of stresses and acceleration effects on the spacecraft. An instrumented mannequin, similar to a crash test dummy, also will be inside. The spacecraft’s parachutes will deploy for a splashdown in the Atlantic, where a ship will be pre-positioned for simulated rescue operations. The test spacecraft will be returned to Port Canaveral by barge so data can be retrieved and incorporated into the system’s design.

The test is presently scheduled for the summer of 2014.

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In an engineering test, LADEE successfully used a laser to beam information back from the Moon this past weekend.

8:25 am

In an engineering test, LADEE successfully used a laser to beam information back from the Moon this past weekend.

Lasers could enhance space communications and lead to radical changes in spacecraft design. Today’s spacecraft communicate with radio, but radiofrequency wavelengths are so long that they require large dishes to capture the signals. Laser wavelengths are 10,000 times shorter than radio, the upshot being that a spacecraft could deliver much more data then even the best modern radio system. For scale, NASA says that the Lunar Atmosphere and Dust Environment Explorer (LADEE) spacecraft that’s carrying this laser experiment would take 639 hours to download an average-length HD movie using ordinary S-band communications. LLCD could download the film in less than eight minutes.

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The next Dragon flight has now been scheduled for no earlier than February 11.

8:13 am

The next Dragon flight has now been scheduled for no earlier than February 11.

The next flight of SpaceX’s Dragon has been realigned to a February 11, 2014 NET (No Earlier Than) launch date. The launch will mark Dragon’s first ride on the upgraded Falcon 9 v.1.1 rocket, potentially sporting landing legs, as Elon Musk plans his next attempt at proving the rocket’s ability to return its stages back to Earth for reuse.

SpaceX must first launch two commercial satellites with the upgraded Falcon 9 before its NASA flight. Also, 2014 will be a very business year for the rocket, as it is scheduled to send three cargo missions to ISS plus launch eight commercial satellites.

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NASA and JPL have now stated that the government shutdown will not interfere with their promised support for India’s Mars Orbiter Mission.

6:38 pm

NASA and JPL have now stated that the government shutdown will not interfere with their promised support for India’s Mars Orbiter Mission.

Earlier reports had suggested that NASA’s Deep Space Network, used to communicate with planetary probes, would not be available because of the shutdown, and the mission would have to be delayed because of this.

Posted from Columbia, Maryland.

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Because India depends on the American Deep Space communications network — mostly unavailable due to the government shutdown — the launch of its first Mars probe, set for October 28, might have to be delayed for two years.

11:00 pm

Because India depends on the American Deep Space communications network — mostly unavailable due to the government shutdown — the launch of its first Mars probe, set for October 28, might have to be delayed for two years.

This is unfortunate news indeed. However, if I was India (as well as other countries) I would consider this a call to develop their own deep space network.

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NASA has decided to exempt its Mars probe, MAVEN, from the government shutdown, allowing preparations to resume for its November launch.

7:28 am

NASA has decided to exempt its Mars probe, MAVEN, from the government shutdown, allowing preparations to resume for its November launch.

NASA Headquarters in Washington determined that Maven’s preparations should go ahead on an emergency basis — not because of its scientific objectives, but because of its expected role as a communications relay satellite for the Opportunity and Curiosity rovers on Mars. “Both Mars Reconnaissance Orbiter and Odyssey have been acting as communication relays, but they’ve passed their design lifetime,” Jakosky explained. “Maven carries communication equipment to take over that job as necessary. Getting us launched at this opportunity is a way to preserve that ability to communicate.”

As I’ve said before, as much as I am in favor of launching this kind of science mission, the number of arbitrary decisions relating to this shutdown makes the whole thing look ridiculous. NASA can act to protect its investments on Mars, but the National Park Service is required to interfere with the normal actions of private restaurants here on Earth?

The truth is that these science missions really don’t fall under the intended definition of “essential operations”. The federal bureaucracy, under the direction of the White House, is simply stretching that definition for their own convenience, wherever they like.

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After developing the J-2X engine for the upper stage of its SLS heavy-lift rocket, NASA now plans to mothball it.

7:18 am

NASA marches on! After developing the J-2X engine for the upper stage of its SLS heavy-lift rocket, NASA now plans to mothball it.

While the agency is actively seeking other missions for the heavy-lift Space Launch System (SLS) in the planetary science and military arenas, most of the human flights it has in sight for the big new rocket probably can be accomplished with an upper stage powered by the RL-10 engine instead of the J-2X. “The J-2X for certain [design reference missions] is somewhat overpowered,” said Todd May, NASA’s SLS program manager.

The main cause of this absurd situation is Congress, which has micro-managed the development of SLS from day one.

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With a launch window from November 18 to December7, the government shutdown might delay NASA’s next Mars unmanned probe MAVEN until 2016.

4:11 pm

Chicken Little report: With a launch window from November 18 to December7, the government shutdown might delay NASA’s next Mars unmanned probe MAVEN until 2016.

It is absolutely possible that the shutdown could cause MAVEN to miss its launch window. Such is life. The world won’t end, and as much as I am a big supporter of space exploration, I also recognize that there are actually bigger issues than NASA hanging in the balance.

Note that the article above bleeds tears for the poor government officials who might not get paid during the shutdown. Well, the economy has sucked for the past five years, with no signs of improvement and plenty of evidence that Obama and Congress have done a great deal to make things worse, especially with the passage of Obamacare. Maybe we should instead have some sympathy for the people who earn the money to pay for NASA and the government and have been screaming at these politicians to just leave them alone.

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The first and second launch of the Space Launch System are likely to be delayed due to budget issues.

7:56 am

The first and second launch of the Space Launch System are likely to be delayed due to budget issues.

“It’s very clear that we could have slips of a year or two,” said [deputy administrator Lori] Garver, referring to both the 2017 launch — which won’t have a crew — and the first planned flight of NASA astronauts aboard the SLS rocket in 2021.

Garver claims that it is insufficient funds for SLS that will cause the delays, despite getting $3 billion per year, or ten times the money the private commercial program is getting.

I’m on a hike today, but so any additional comments about this insanity will have to wait.

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The Russians are including a bathroom in their next generation manned vehicle, something they note Orion will not have.

2:47 pm

The competition heats up: The Russians are including a bathroom in their next generation manned vehicle, something they note Orion will not have.

A new Russian spaceship for trips to the moon or the International Space Station will have at least one crucial advantage over its American rival – a toilet, one of the craft’s developers said Friday. “I don’t think I need to elaborate on how a waste-collection system is much more comfortable than the diapers that astronauts aboard the [US spacecraft] Orion will have to use,” said Vladimir Pirozhkov of the Moscow Institute of Steel and Alloys, which is involved in the development of the Russian ship. “Besides, the Russian segment of the International Space Station [ISS] has a limited number of toilets, which means a spacecraft with an extra ‘space toilet’ will come in handy,” he added.

As much as I am skeptical of Orion and SLS, I am equally skeptical of the Russian claims of a next generation manned spacecraft. They have been unveiling these proposals now for more than a decade, with nothing ever getting built. With Orion we at least have an existing capsule, even if its bulkhead needed to fixed.

Though I will agree with them on one point: Putting a toilet on a vehicle intended to go beyond Earth orbit, which Orion is supposed to be designed to do, makes common sense. That NASA didn’t include this essential item in Orion reveals to us the unseriousness of the spacecraft.

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A engineering problem during construction of one of the shuttle-derived solid rocket boosters for SLS is causing delays.

10:06 am

A engineering problem during construction of one of the shuttle-derived solid rocket boosters for SLS is causing delays.

[The] original test target of mid-2013 slipped when an issue with the aft segment [of the booster] was found. Inspection of the segment showed it was contained an area where propellant had debonded from the inside of the segment wall. Following analysis – which notably found no voids in the propellant itself – NASA decided to ask ATK to scrap the segment and cast a replacement.

Preparations … continued, with the shipping and integration of forward and center segments at the test site, while ATK went to work to replace the aft segment, following approval – post investigation – from NASA’s Marshall Space Flight Center. After ATK successfully cast the replacement segment in July, technicians carried out routine ultrasound and x-ray tests. Unfortunately, the tests showed this segment had also had similar voids. [emphasis mine.]

The Space Launch System (SLS), was mandated by Congress to use as much shuttle-derived components as possible in order to supposedly save money as well as employ as many of the companies that built those components as possible. In reality, however, every one of those components has required significant redesign to make them work in SLS. In the case of the solid rocket boosters, the four segment shuttle boosters were not powerful enough. They had to be expanded to five segments.

Moreover, it appears from this article it was other technically unnecessary changes to the boosters that are now causing this problem.
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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.

11:06 pm

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.

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A NASA veteran slams SLS.

7:25 am

A NASA veteran slams the Space Launch System (SLS).

The problem with the SLS is that it’s so big that makes it very expensive. It’s very expensive to design, it’s very expensive to develop. When they actually begin to develop it, the budget is going to go haywire. They’re going to have all kinds of technical and development issues crop up, which will drive the development costs up. Then there are the operating costs of that beast, which will eat NASA alive if they get there. They’re not going to be able to fly it more than once a year, if that, because they don’t have the budget to do it. So what you’ve got is a beast of a rocket, that would give you all of this capability, which you can’t build because you don’t have the money to build it in the first place, and you can’t operate it if you had it.

Q: What do you see as the alternative?

A: In the private sector we’ve got an Atlas and a Delta rocket, and the Europeans have a rocket called the Ariane. The Russians have lots of rockets, which are very reliable, and they get reliable by using them. And that’s something the SLS will never have. Never. Because you can’t afford to launch it that many times.

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Space agencies of the world unite!

9:48 am

On Tuesday NASA released what it calls a new “space exploration roadmap,” outlining the agency’s goals for the human exploration of space over the next few decades.

Normally I’d say, who cares? The space agency puts these kinds of PR roadmaps together periodically. None of them really ever mean that much. And in truth, this particular report doesn’t mean that much either. However, what makes this “Global Plan” interesting and worth mentioning is the participants who wrote it. It seems that NASA and the Obama administration didn’t do it alone.
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A GAO audit of NASA’s Orion capsule says the program faces delays and budget overruns.

2:46 pm

A report by NASA’s inspector general of the Orion program says it faces delays and budget overruns.

I’m not surprised. The audit [pdf] tried to put a good spin on NASA’s effort to build this capsule, but you can’t make a beauty queen out of a cockroach. Even though I truly believe that the agency has worked hard to try to contain costs and meet its schedule, it is impossible for NASA to succeed at this under the constrains imposed on it by Congress.

And then there is this:

Meanwhile, although [the] report focused on Orion, it also reiterated an oft-repeated point: The money NASA has said it will spend on SLS, Orion and associated ground systems is not enough to stage a mission to any extraterrestrial surface. “Given the time and money necessary to develop landers and associated systems, it is unlikely that NASA would be able to conduct any surface exploration missions until the late 2020s at the earliest,” the report says. “NASA astronauts will be limited to orbital missions using” Orion.

In other words, this very expensive project will not go anywhere for almost two decades. Doesn’t that just warm your heart?

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Pigs in space

10:11 am

Today I have an op-ed in the Wall Street Journal, entitled “No liftoff for these space flights of fancy.” It is essentially a more detailed reworking of my rant on the John Batchelor Show on July 30.

My point is that the federal space program mandated by Congress, the Space Launch System (SLS), is never going to go anywhere, and is nothing but pork that should be cut as fast as possible. (See my essay from November 2011 on how NASA and the federal government can better use this money to get more accomplished in space, for less.)

The comments to the article have generally been positive and in agreement. Those who disagree mostly question the $14 billion cost per launch that I claim SLS will cost. That number comes from John Strickland’s very detailed analysis of what it will cost to build, complete, and operate SLS. However, it doesn’t require much thoughtful analysis to realize that this number is not unreasonable.
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NASA deputy administrator Lori Garver is leaving NASA to take a job “in the private sector outside the space industry.”

9:38 am

NASA deputy administrator Lori Garver is leaving NASA to take a job “in the private sector outside the space industry.”

Garver was instrumental in accelerating during the Obama administration the new commercial space program that Mike Griffin began during the Bush administration. I fear what will happen with her gone and Charles Bolden on his own. Moreover, one wonders why she is leaving now. She has worked in the private sector in the past, but never when she had the opportunity to influence policy during a Democratic administration. It could simply be that she got an offer she couldn’t refuse. Or it could be that she doesn’t like what she sees in NASA, the Obama administration, or Congress, and wants out.

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My rant Thursday against politicians on the John Batchelor Show

10:43 pm

On my Thursday appearance last week on the John Batchelor Show John and I devoted the entire segment to talking about the sad state of NASA and how the partisan bickering in Congress is not only failing to deal with those problems, that bickering is intentionally disinterested in actually fixing them. As I say,

What both those parties in Congress and in the administration are really doing is faking a goal for the purpose of justifying pork to their districts, because none of the proposals they’re making — both the asteroids or the moon — are going to happen.

I intend to elaborate in writing on this subject in the next day or so. In the meantime, here is the audio of that appearance [mp3] for you all to download and enjoy.

Note that I specifically talked about the following stories during this appearance:

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The state of SLS construction.

10:40 pm

The state of SLS construction.

The article is mostly focused on the engineering challenges of building a new rocket out of old pieces of the space shuttle. Kind of reminds me of Frankenstein. Nonetheless, I do get the impression for the first time that this heavy lift rocket will be built, and will fly at least once.

After that, however, I expect it to die from lack of funds. In fact, its history will probably parallel that of the Soviet Union’s Energia rocket, which flew twice, once to launch their shuttle copycat Buran and once to lift a failed payload whose purpose has never been clearly revealed. Soon thereafter came bankruptcy and the end of the Soviet Union, which couldn’t afford such a monstrosity. SLS will likely see a similar fate.

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NASA plans to test the parachutes for the Orion capsule today.

9:44 am

The competition heats up: NASA plans to test the parachutes for the Orion capsule today.

Wednesday’s test will see an Orion prototype dropped from a plane at an altitude of 35,000 feet (10,700 meters) over the U.S. Army’s Yuma Proving Ground in southwestern Arizona. Engineers will simulate a series of failures and test the parachute system’s ability to adapt and land the capsule safely. Orion has three main parachutes, and the NASA team plans to simulate the failure of one of the trio to see if the landing sequence can proceed safely with only two.

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