Tag: engineering

ULA chief says Congress deal clears path to Vulcan

9:52 am

The competition heats up: The CEO of ULA, Tory Bruno, said in an industry publication interview today that the Congressional deal that allows the company to buy 22 more Russian engines for its Atlas 5 clears the way for their eventual transition to the Vulcan rocket and an end to dependence on those Russian engines.

The article is worth a careful read, as it also provides a very detailed look at ULA’s future plans for its Atlas 5, Delta 4 Heavy, and Vulcan rockets. This paragraph was especially interesting:

The next major milestone is determining what engine will replace the [Russian] RD-180. Washington-based Blue Origin is developing the BE-4, a privately funded Liquid Oxygen (Lox) and Liquefied Natural Gas (LNG) engine capable of 550,000 pounds of thrust (lbf); and California-based Aerojet Rocketdyne is creating the AR1, a government-supported Lox/Kerosene (RP-1) engine capable of 500,000lbf. Either replacement will require two engines to match the power of the RD-180. Blue Origin claims its engine, already four years into development, will be flight qualified by 2017, while Aerojet Rocketdyne, having started its development later, says the AR1 will be flight qualified by 2019. Bruno said ULA would make its decision soon.

“Sometime close to the end of the year we are going to down-select, and then move into our Critical Design Review (CDR) and start manufacturing the rocket,” he said.

I strongly suspect they want to go with Blue Origin’s engine, because it is more powerful, farther along in development, and almost certainly less expensive. The question will be whether pressure from Congress, which favors Aerojet Rocketdyne’s engine for pork barrel reasons (Congress is funding it), will force ULA to go with it instead.

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Flyboard Air company purchased

9:41 am

The company that designed the Flyboard Air jet hoverboard, featured here only two days ago in the Evening Pause, has been purchased by Implant Sciences, a company whose primary focus until now was explosive detection technology for the Homeland Security.

Implant Sciences is currently looking into the possibility of selling its explosives detection business, and the purchase of Zapata is subject to shareholder approval. Overall though, it seems pretty confident that the move could lead to big things. “We are beyond excited to have visionaries like Franky Zapata and his team on board and we are thrilled to allow for shareholders to benefit from the many breakthrough products he has already invented and the new innovations he will be unveiling in coming months and years.” said Implant Sciences president Robert Liscouski.

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European commission approves Airbus-Safran buy of Arianespace

9:22 am

The competition heats up: The bureaucrats in the European Union have given their approval to the purchase by Airbus-Safran Launchers of Arianespace, thereby clearing the way for the privatization of that ESA entity and the construction, under Airbus-Safran control, of Ariane 6.

Following an in-depth review, the European Commission has approved under the EU Merger Regulation, the acquisition of Arianespace by Airbus Safran Launchers (ASL), a joint venture between Airbus and Safran. This approval is subject to conditions. Commissioner Margrethe Vestager, in charge of competition policy, said: “A well-functioning satellite and launcher industry is important to guarantee that European companies and institutions can gain access to space at competitive terms. The commitments offered by ASL ensure that after its takeover of Arianespace, all players in the industry will continue to have incentives to innovate.”

The Commission had concerns that the transaction would give rise to flows of sensitive information between Airbus and Arianespace to the detriment of competing satellite manufacturers and launch service providers. The Commission’s approval is conditional on the implementation of the commitments offered by the companies to address these concerns.

I must say that, in reading this story, I understood far better why the United Kingdom voted to leave the European Union. Though this particular deal is certainly different and involves many important government issues, if every private business deal is subject to the numbing concerns of this commission, I myself would run screaming from them as fast as I could.

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The Indian government considers privatization

8:46 am

The competition heats up: The Indian space agency, ISRO, is discussing with private companies ways in which it might privatize its smaller and successful rocket, the Polar Satellite Launch Vehicle (PSLV).

In order to step up the launch capacity within the country, ISRO is in the process of exploring the possibility of involving Indian industry in a greater role to meet the increased national requirements and possible commercial demand for launch services. Discussions are being held with the Indian industry towards formulating a plan and strategy to enhance the capacity as well as capability of managing the Polar Satellite Launch Vehicle (PSLV) programme on an end to end basis.

The sense I get from this ISRO announcement is that the government is taking the lead, trying to drag the private companies forward to take over. I also sense that both the private companies as well as ISRO are at the moment are somewhat uninterested in doing it. Neither impression is stated anywhere in this announcement and are merely my personal impressions, based literally on no inside information, which of course means I could be very wrong.

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New Shepard aced its landing test

8:36 pm

The competition heats up: According to an email sent out by Jeff Bezos, the recent New Shepard capsule landing test, with one parachute disabled, was a complete success.

Besides the three parachutes, New Shepard is slowed in its descent by a retrorocket that fires just before the capsule hits the ground. Bezos’ email also provided pictures of the “crushable ring” on the bottom of the capsule, which can help decelerate the craft if it hits the ground too fast (acting sort of like the bumper on a car). “Even with one chute out, the crushable barely crushed,” wrote Bezos, who is also founder and CEO of Amazon.com.

“When new, the crushable is about 5.5 inches [14 centimeters] high and can crush down to less than 1 inch [0.4 cm] high, providing a constant deceleration force as it crushes. After the mission, the crushable was still over 5 inches [12.7 cm] high along nearly the entire circumference of the ring,” Bezos wrote.

No word on when the next test flight will take place.

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No 6207 A Study in Steel

6:01 pm

An evening pause: A fascinating and well-filmed documentary from 1935 describing how a British company then built locomotives. Note the lack of construction helmets, gloves, or safety glasses. Note also the number of workers involved. Today most of this work is automated, making it more precise and efficient. Then, however, they did not yet have such technology, and instead found ways to build very sophisticated machines using the skills of ordinary humans.

Hat tip Edward Thelen.

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Satellite hit by space junk, still operational

2:00 pm

A private Earth-observation satellite, WorldView-2, was either hit by space junk or had some internal failure that produced “8 debris pieces” in its vicinity.

The Joint Space Operations Center, which is the Defense Department’s nerve center for space operations and tracks space objects from Vandenberg Air Force Base in California, tweeted July 19 that it had identified a debris-causing event related DigitalGlobe’s WorldView-2 satellite.

The amazing thing about this is that the satellite is still functional, and to prove it the company has already released an image produced after the event.

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A glacier on Mars

10:25 pm

A glacier on Mars

Cool image time! The image on the right, cropped and reduced in resolution, is a Mars Reconnaissance Orbiter picture taken on March 28, 2016 of a glacial flow coming down off of mountains in Mars’ northern mid-latitudes. The mountains are to the south and beyond the bottom right. The flow is to the northwest. The full image can be found here. As noted on the image site,

These flow-like structures were previously called “lobate debris aprons,” but the Shallow Radar (SHARAD) instrument on [Mars Reconnaissance Orbiter] has shown that they are actually debris-covered flows of ice, or glaciers. There is no evidence for present-day flow of these glaciers, so they appear to be remnants of past climates.

Need I say it? This is water, on Mars, and in abundance. Think that this might be good real estate when those first settlers arrive?

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Franky Zapata demonstrating his Flyboard Air

6:01 pm

An evening pause: Hat tip t-dub, who wrote that the Flyboard Air “is a real product developed by Franky Zapata. It’s a jet powered board that reminds me of what the Green Goblin used in Spiderman. This video was done in Monaco during the Formula 1 race this year. His company is called Zapata Racing and he has developed a jet pack, water hover board, and those fire hose things people use over water which is a hydraulic Flyboard I believe. If they only had this stuff back in the 70’s when I was growing up.” T-dub also added, “The Flyboard can go up to 10,000 feet, fly at 98 MPH, and has a duration of almost ten minutes depending on use. They have also set a Guinness record with the device.”

My thought: Once again, life imitates art.

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Japanese military satellite damaged during shipping

8:28 am

Japan’s troubled space effort suffered a bad setback when a Japanese military communications satellite was damaged in shipment to its launch site in French Guiana.

The launch of Japan’s first dedicated military communications satellite will be delayed by two years after a mishap with a blue tarpaulin damaged sensitive antennas during transportation to Europe’s Spaceport in French Guiana, two government sources told Reuters. The mishap has set back plans by Japan’s military to unify its fractured and overburdened communications network, and could hinder efforts to reinforce defenses in the East China Sea as Chinese military activity in the region escalates.

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New rocket company raising investment capital

4:44 pm

The competition heats up: Two former employees of SpaceX and Blue Origin have teamed up to start their own rocket company, aimed at using 3D printing technology to build rockets “with zero human labor.”

The funding rounds are described in two documents filed in May and this month with the Securities and Exchange Commission. The first filing reports that $1.1 million in equity was sold to investors. The second filing serves as a new notice of $8.4 million in equity sold, out of a $9.6 million offering.

The filings indicate that Relativity Space is based in Seattle, but in response to an email inquiry, the company declined to say anything further about its location, its business plan or its investors. “We are entirely in stealth mode and will comment more when we are ready,” the company said.

New companies come and go, but the fact that the guys in charge of this come from these two companies, and have already raised significant investment capital, suggests attention should be paid.

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Reused Dragon cargo capsule to ISS within a year

4:05 pm

The competition heats up: SpaceX hopes to launch a previously flown Dragon capsule to ISS sometime with the next year.

This fall, SpaceX plans to refly one of its landed Falcon 9 rockets for the first time — and a Dragon capsule should make history by launching on a repeat ISS resupply mission shortly thereafter, a NASA official and a SpaceX representative said during a postlaunch news conference Monday. “I think we’re looking at SpaceX-11,” said Joel Montalbano, NASA’s deputy manager of ISS utilization, referring to the 11th resupply mission the company will fly with Dragon and the Falcon 9. (Monday’s launch kicked off SpaceX-9.)

I had been wondering when SpaceX would try to reuse a Dragon, and had assumed the reason it hadn’t happened yet was partly because of NASA reluctance combined with the delays connected with the launch failure last year. Either way, it appears that NASA is now on board and that the company is beginning to gear up for that first reflight.

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SpaceX seeks two more pads for returning 1st stages

3:58 pm

The competition heats up: SpaceX is asking for permission to establish two more landing pads so that it will have the capability of landing three first stages all within minutes of each other.

“SpaceX expects to fly Falcon Heavy for the first time later this year,” the company said in a statement responding to questions. “We are also seeking regulatory approval to build two additional landing pads at Cape Canaveral Air Force Station. We hope to recover all three Falcon Heavy rockets, though initially we may attempt drone ship landings” at sea.

This news suggests two things: 1. The first Falcon Heavy launch is definitely coming soon. 2. They are going to try to return all three 1st stages during that first launch.

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The rings of Saturn

8:42 am

The rings of Saturn

Cool image time! The picture on right, cropped by me to show here, was taken by Cassini on April 2, 2016. You can see the moons Dione (on left) and Epimetheus (on right) above the rings. The full image can be seen here.

I am sure there is a lot of important science contained within this image. I post it here however not because of any scientific reason but entirely because it is simply damn spectacular. More than a decade after Cassini arrived at Saturn, every new picture of the planet’s giant ring system still seems incredibly unbelievable.

The universe is an amazing place, isn’t it?

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SpaceX chooses recovered first stage to reuse

4:31 pm

The competition heats up: SpaceX has chosen as the first Falcon 9 first stage to reuse the one that was the first to land successfully on a barge on April 8.

Though they have not announced the mission it will fly, I strongly suspect it will be one of the two SES communications satellites scheduled to launch in the fall. SES has already said they want to buy a launch using a re-used first stage, and the two SES satellites scheduled for the fall have some redundancy between them.

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Getting and Installing Linux – Part 4

6:01 am

The Software Manager

by James Stephens

A computer is nothing more than a toy unless it has the tools you need to get your work done, and Linux has a great set of tools. Most distributions come loaded with the tools most people use every day, a full office suite, graphics and media packages and so on. If you want more, a world of software awaits at your fingertips via the Software Manager. Think of it as the app store for your distribution, with tens of thousands of official titles vetted and available for download, most free of charge. No longer are you left to the wilds of the Internet to find what you need.

Most Linux Software is functionally equivalent to that of Apple or Windows. Most open source titles are ported to all platforms including Linux. So if you use an open source title such as Audacity or VLC media player, just type its name into the Linux Software Manager search bar and you will find it. For propitiatory titles such as Photoshop just define what it does, image manipulation for example, and the Software Manager will suggest Linux equivalents like GIMP or KRITA. In addition Photoshop and some other Windows software run great on Linux using WINE – the Windows compatibility layer. More about that later.
» Read more

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