Tag: engineering

NASA is trying get some spare spacesuit parts onto a Russian Progress freighter, scheduled to launch Saturday, in its effort to fix its American spacesuits on ISS.

7:14 pm

NASA is trying get some spare spacesuit parts onto a Russian Progress freighter, scheduled to launch Saturday, in its effort to fix its American spacesuits on ISS.

It must be emphasized that NASA still doesn’t know exactly what caused the water leak into that spacesuit during a spacewalk last week.

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Robot engineers have successfully built a fleet of small flying robot helicopters that can fly individually or as complex large arrays.

8:50 am

Robot engineers have successfully built a fleet of small flying robot helicopters that can fly individually or as complex large arrays. With video.

Applying this biologically-inspired solution to swarms of robots could enable a wide range of applications. Swarms of robots could be used to explore other planets, or search a large area for a missing person. When a larger payload needs to be lifted, groups of robots would combine to make a larger flying platform and when that job was done, disperse into smaller groups that can cover a larger area. The advantage of distributed control in these scenarios is that there is no vulnerable central control unit which, if taken out, could bring down the entire mission.

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With Proton rocket’s most recent launch failure, Inmarsat looks for alternatives.

3:15 pm

The competition heats up: With Proton rocket’s most recent launch failure, Inmarsat looks for alternatives.

The failure and its spectacular nature, all caught on video — oscillating trajectory on liftoff before tipping over, bursting into flames and then crashing — cast a harsh light on Inmarsat’s sole-source decision for the Global Xpress satellites. The company’s stock tumbled on the London Stock Exchange but has since recovered as details emerged about the relatively easily addressed causes of the rocket’s failure.

Inmarsat officials said at the time of the ILS contract award that they received an exceptionally low price in return for booking all three launches on Proton and that the vehicle’s record justified the choice not to include a second vehicle in the Global Xpress mix.

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In celebration of the 10th anniversary of the launch of Opportunity, Mars Reconnaissance Orbiter took its photograph.

8:58 am

In celebration of the 10th anniversary of the launch of Opportunity, Mars Reconnaissance Orbiter took its photograph.

The image was not merely for PR. It also provides the scientists operating Opportunity some good information about the region the rover is exploring, thus helping them plan out its further adventures on the surface of Mars.

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The Russians admitted today that, due to the Proton launch failure two weeks ago, only five more Proton launches can occur this year.

8:53 am

The Russians admitted today that, due to the Proton launch failure two weeks ago, only five more Proton launches can occur this year.

Before the crash they had hoped to get in about nine launches, more than one per month, all of which were commercial in nature. It was my impression that this launch rate was an effort to provide service to their customers as fast as possible, in order to hold on to them. The crash, like the previous Proton failures in the past few years, has given their competitors a window of opportunity to grab the Russian market share. If SpaceX is successful in its first commercial launch in September the competition in this industry will certainly heat up.

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Russia confirms that a Proton rocket failed at launch two weeks ago because three of six sensors were installed upside down.

5:46 pm

Russia confirms that a Proton rocket failed at launch two weeks ago because three of six sensors were installed upside down.

They are going to subject the personnel involved to lie detector tests in order to find out who did what. We should then expect them to prosecute those individuals. Unlike the U.S., they won’t simply fire them.

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SpaceX has renegotiated its lease with the city of McGregor, Texas, in order to begin testing the Falcon Heavy rocket.

8:59 am

The competition heats up: SpaceX has renegotiated its lease with the city of McGregor, Texas, in order to begin testing the Falcon Heavy rocket.

What I found stunning about this article is this quote:

The Falcon Heavy will have commercial, civil and national security applications, Ra said, adding that customers will pay $81 million to $135 million per launch, depending on the weight of the payload and the rocket’s destination. That is about twice the price of a Falcon 9 launch.

These prices for the Falcon Heavy are actually comparable or cheaper than that charged by most other rocket companies for geosynchronous launches. If SpaceX succeeds in doing this — launching Falcon Heavy at these prices — they will certainly open deep space to private enterprise. And even if their prices end up being twice this, those prices will still be anywhere from one fourth to less than a tenth of what it will cost NASA to launch its SLS rocket.

Which should make us all wonder: Why is anyone in Congress still voting to fund SLS?

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SpaceX has successfully completed a full duration test firing of 9 upgraded Merlin engines.

8:33 am

The competition heats up: SpaceX has successfully completed a full duration test firing of 9 upgraded Merlin engines.

The full mission duration firing of the next generation Falcon 9 booster was completed on Sunday. The booster’s nine Merlin 1D engines fired for approximately three minutes, simulating what the booster may experience in flight before stage separation.

With this success, I suspect they are finally ready to begin their commercial launches. The first is presently scheduled for September 5.

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Doing the Grand Canyon Right

2:50 pm

The Tonto Plateau

The one thing about the Grand Canyon that attracts hikers is its intimidating nature. People feel challenged by its large size and depth, and want to prove to themselves that they can do it.

The irony of this to me is that it is that intimidating nature that generally causes most people the most problems. People worry about the climb out. They worry about the heat. They worry about the lack of water. And they worry about vastness around them.

All of these things — the climb, the heat, the lack of water, and the vastness — must be dealt with. Each has caused the death of many visitors. Each could kill you if you are not prepared. In fact, one or all of these factors are probably the primary causes behind all of the approximately 300 rescues that occur each year at the Grand Canyon.

Yet, none of these factors is actually the biggest obstacle for most people trying to climb in and out of the Canyon. Instead, it is the worry about these things that causes people the most difficulties.
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Orbital Sciences has issued an update on its Antares launch schedule, with the launch window now set for September 14-19.

12:24 pm

The competition heats up: Orbital Sciences has issued an update on its Antares launch schedule, with the launch window for the Cygnus demonstration mission to ISS now set for September 14-19.

They announced this on July 10, but I am only now catching up. The launch could happen sooner, if there are delays to the launch of NASA’s LADEE moon probe. Right now the two launches are coordinated to have LADEE launch first.

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Sierra Nevada has completed its first tow tests of its Dream Chaser engineering test vehicle, now officially named “Eagle.”

8:12 am

The competition heats up: Sierra Nevada has completed its first tow tests of its Dream Chaser engineering test vehicle, now officially named “Eagle.”

These tests were merely to check out the craft’s landing systems, with it being pulled along the runway at 10 to 20 mph. Faster tests, followed by actual drop tests, are to follow.

The article has some great information about Dream Chaser itself.

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The Russian investigation into the crash of their Proton rocket on Tuesday now includes a criminal prosecutor.

8:48 am

The Russian investigation into the crash of their Proton rocket on Tuesday now includes a criminal prosecutor.

“The investigative department of the Russian Investigative Committee at the Baikonur complex has opened a criminal case on this incident over evidence of a crime, put forward in the Russian Criminal Code Article 216 Part 1. The Baikonur prosecutor’s office is overseeing the investigation,” the statement said.

There is also another story from this news service claiming that the crash occurred because the rocket launched a half second early, confusing its computer systems.

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This week’s launch failure of the Proton rocket leaves two satellite communications firms in a quandary.

5:05 pm

The competition heats up: This week’s launch failure of the Proton rocket leaves two satellite communications firms in a quandary.

Luxembourg-based SES joins London-based Inmarsat among the commercial customers awaiting Proton launches later this year, a prospect that almost certainly disappeared in the fireball that engulfed Proton shortly after liftoff from the Baikonur Cosmodrome in Kazakhstan. Inmarsat’s entire next-generation high-speed mobile communications product offer is booked on three Proton launches.

It appears that their only other launch options are Arianespace, which is booked up, and SpaceX, which is not yet ready to take on this much new business.

In other words, the launch industry has a need for more launchers from companies willing to compete for that business.

Update: Arianespace has said that if they get the orders quickly, they might be able to fit the launch’s into their 2014 launch manifest. That has the sound of a company that wants to make money, and is willing to do whatever it takes to capture the business.

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