Tag: engineering

What is the current state of the six American flags planted on the Moon by Apollo astronauts? One NASA engineer takes a look.

9:13 pm

What is the current state of the six American flags planted on the Moon by Apollo astronauts? One NASA engineer takes a look.

James Fincannon has been an important contributor here at Behind the Black, sending me some interesting tips from time to time that have resulted in some good posts, such as this one about caves on the Moon.

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From a past SpaceX critic: SpaceX’s Falcon Heavy could wipe its launch competition.

2:45 pm

From a past SpaceX critic: SpaceX’s Falcon Heavy could wipe out its launch competition.

This announcement [of SpaceX’s deal with Intelsat] is an indication that SpaceX is now threatening the dominance of Arianespace and ILS in the commercial launch arena. If a Falcon 9 Heavy can carry two or more large GEO communications satellites for half the launch price of an Ariane 5 or Proton M booking, then this could spell the end of their commercial operations as going concerns. It is not only on the commercial front that SpaceX may dominate. SpaceX’s Falcon 9 Heavy launch service promises to be less than half the cost of using equivalent Atlas and Delta rockets. So even the cosy launch provider-governmental relationships that previously benefited the likes of Boeing, Lockheed Martin and Pratt and Whitney/Rocketdyne could now be threatened.

As much of a fan of SpaceX as I am, and as much as I agree with the above statement, we must remember that Falcon Heavy is not yet built. Moreover, I suspect that the deal with Intelsat does not yet include any transfer of funds. SpaceX has a long way to go before any of this happens. Nonetheless, the company’s continued success very obviously is beginning to make its competitors nervous.

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The radiation released from the Fukushima nuclear power meltdown in Japan last year will cause almost no cases of cancer according to two separate reports.

11:42 am

The radiation released from the Fukushima nuclear power meltdown in Japan last year will cause almost no cases of cancer according to two separate reports.

This story is almost a week old. I missed it initially because Nature buried the results, headlining the story in the most boring way possible: “Fukushima’s doses tallied”.

These results however illustrate again the success of the engineering at the nuclear power plant. Certainly they did things wrong, and certainly there were engineering failures there. Nonetheless, the safety features allowed them to contain the power plant even after it experienced the most powerful earthquake in recorded history followed by the most powerful tsunami in a thousand years.

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Kazakhstan is blocking three upcoming Russian satellite launches from its spaceport in Baikonur because of a dispute over where rocket debris will fall.

9:10 am

Kazakhstan is blocking three upcoming Russian satellite launches from its spaceport in Baikonur because of a dispute over where rocket debris will fall.

I suspect that Russia is now even more enthused over completing its new spaceport in Vostochny.

In related news, a Russian analysis of the consequences of the Dragon docking at ISS. The article also notes some potential changes in the Russian space effort.

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Computer researchers have found that the microprocessor used by the U.S. military but made in China contains secret remote access capability.

9:04 pm

You can’t make this stuff up: Computer researchers have found that the microprocessor used by the U.S. military but made in China contains secret remote access capability.

The unnamed chip, which the researchers claim is widely used in military and industrial applications, is “wide open to intellectual property theft, fraud and reverse engineering of the design to allow the introduction of a backdoor or Trojan”, they said. … The “bug” is in the actual chip itself, rather than the firmware installed on the devices that use it. This means there is no way to fix it than to replace the chip altogether.

How stupid can our government be to buy microprocessors from the Chinese, a country that is definitely not our friend? Pretty stupid, it appears.

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The Stratolaunch system has entered system design review.

8:12 am

The competition heats up: The privately-built Stratolaunch system has entered system design review.

The key quote from this article is this:

Scaled Composites, which is building the aircraft, has purchased two ex-United Boeing 747-400s, and is in the process of dismantling them. Stratolaunch will use the engines, hydraulics system and several other major components to build its own aircraft. The remaining fuselage and wing shells will be scrapped. SpaceX is building the rocket, which will launch approximately 13,000lb into orbit. “This is really going after the Delta II market,” says Steve Cook, Dynetics chief technologist. The group eventually hopes to qualify the system for human spaceflight and begin launched manned spacecraft. [emphasis mine]

Stratolaunch is not being built for NASA. It is aimed at the commercial market instead, with the intention of providing a cheaper alternative for getting large payloads into orbit.

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A graveyard of ships in the desert

9:35 am

A graveyard of ships — in the desert.

This environmental disaster in the Soviet Union was caused more by that failed country’s centralized state-run command society than the technological society they were trying to create. Though technology in any kind of society can certainly do harm to the environment, when all decisions are controlled by a single entity — in this case the communist Soviet government — it is practically impossible to adapt and adjust when things start going wrong.

In a free democracy, however, you have many safety valves. No project is ever so big that it effects everything, and if things start to go wrong the chaos of freedom will allow people to choose differently, correcting the problem more quickly.

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It appears that the floating debris from the earthquake and tsunami in Japan last year is reaching North America sooner than expected.

10:01 am

It appears that the floating debris from the earthquake and tsunami in Japan last year is reaching North America sooner than expected.

I got a laugh from the last two sentences of this story. The early arrival of “more than 200 bottles, cans, buoys and floats” from Japan was immediately turned into a crisis that required government intervention.

With debris making landfall sooner than predicted, U.S. lawmakers have started to question whether the government is truly prepared. “Many people said we wouldn’t see any of this impact until 2013 or 2014, and now ships and motorcycles and this various debris is showing up and people want answers,” U.S. Sen. Maria Cantwell, D-Wash., said.

And if the debris was taking longer to get here? Cantwell would then argue we need to spend more money to track it more precisely. By her standards, no matter what happens, government has got to get bigger.

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Renovations at a Los Angeles restaurant in February uncovered a neon light, hidden inside a wall, that had been was switched on in 1935 and left burning for 77 years.

10:31 pm

It just kept going and going: Renovations at a Los Angeles restaurant in February uncovered a neon light, hidden inside a wall, that had been was switched on in 1935 and left burning for 77 years.

The walls of the restaurant featured numerous hand-tinted transparencies of mountain and forest landscapes, each of which was backlit by a rectangular neon light. One such light was installed in a window-like nook in a basement restroom, where it softly illuminated a woodland scene.

In 1949, the nook was covered over with plastic and plywood when part of the restroom was partitioned off as a storage area. But for some reason, workmen never got around to disconnecting the electricity. For the next 62 years the illuminated tubing was hidden within the wall. Meieran estimates that the neon tube has racked up more than $17,000 in electrical bills.

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Europe ponders choosing the design of the next generation Ariane rocket.

4:25 pm

Europe ponders the design choices for the next generation of their Ariane rocket.

Though the article above makes no mention of Falcon 9 and its very low launch costs, I have no doubt that Falcon 9 hovers like a ghost over the negotiations on what ESA will do with Ariane 5, a rocket that despite an excellent launch record has never really been able to make a profit due to high costs.

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Two Democrats joined Republicans yesterday on a Senate committee to block the U.S. military from increasing its use of alternatives fossil fuels.

2:52 pm

Two Democrats joined Republicans yesterday on a Senate committee to block the U.S. military from increasing its use of alternatives fossil fuels.

What stood out to me in this article was the following quote:

As part of this support, in December the Navy agreed to spend $12 million for 450,000 gallons of “advanced biofuels,” which can be blended with petroleum in a 50:50 mixture and burned in conventional engines. The Navy and Air Force have both set a goal of using advanced biofuels for 50% of their fuel use by the end of this decade. But the current $26-a-gallon price tag angered congressional Republicans, who accuse the Obama Administration of using the military to support its green agenda. [emphasis mine]

$26 per gallon for biofuels? I find it astonishing that anyone voted for this program.

Of course the military wants options. And of course we want to reduce our dependence on fossil fuels, if only to reduce the money pouring into the hands of the radical Islamists of the Middle East. But at that price, these alternative fuels are simply not competitive or affordable.

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The Lunar Orbiter image of Copernicus Crater, taken forty-six years ago, has been re-released after significant refurbishing..

12:53 pm

Oblique image of Copernicus taken in 1966

Reboot: The Lunar Orbiter image of Copernicus Crater, taken forty-six years ago, has been re-released after significant refurbishing.

By adding modern computer interfaces and data handling techniques, the LOIRP was able to scan and record the data in ways that simply could not have been accomplished in the 1960s. As a result the images that were obtained had a much higher resolution and dynamic range than had been seen to date. Indeed, in many cases, these images often rival or exceed images taken by the Lunar Reconnaissance Orbiter which is currently surveying the Moon.

You should definitely check it out, as it is a breathtaking image. Historic too, as it was the first image from the Moon that truly made the place understandable.

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