Botched the cement job on BP's blowout well in the Gulf. Long article in the Wall St Journal. But some things are unclear. The Journal speaks of Halliburton whipping up a new cement recipe for the BP well.
That's a little weird. We have had decent cement since Julius Caesar's time. The Pantheon in Rome with an enormous concrete dome, was built by an army buddy of Julius Caesar and is still in service today. The Romans built the harbor at Ostia with hydraulic cement that could harden underwater. You would think that a good cement recipe for oil well work had been developed years ago. Had I been the BP manager on that rig, I would have demanded that Halliburton use a well tested standard cement mix and not fiddle around with custom stuff.
The Journal also mentions that cementing oil wells is a tricky business with a high failure rate. Something like a quarter of cement jobs leak. This means that proper engineering practice is to test each and every cement job. This testing was omitted on orders from the BP manager on the site. So, that makes it BP's fault in my book.
This blog posts about aviation, automobiles, electronics, programming, politics and such other subjects as catch my interest. The blog is based in northern New Hampshire, USA
Sunday, October 31, 2010
Where is the money coming from?
The perennial political question once the subject drifts onto budget. US governments, local, state, and federal are in trouble. They are spending a good deal more than they take in via taxes. Voters are getting restless about government debt. The opposition to anything (there is ALWAYS opposition to anything) can say "Well that's a nice idea, but where is the money coming from?"
Hmm. Right now the US spends 19% of GNP on healthcare. All other countries in the world spend half of that, and citizen's health in the first world nations is as good, maybe a bit better than it is in the US. If the US cut its health care expenditures down to the level of the rest of the world, that would free up nearly 10% of GNP for other purposes.
10% of GNP is a whacking great sum. The entire Federal budget is only 24% of GNP. 10% of GNP would cut the federal deficit to zero and leave money left over. If the rest of the world can keep healthcare spending below 10% of GNP why can't we? If we did, it would free up rivers of cash to put to better purposes.
We even know some of the reasons US health care is so expensive. Malpractice suits, high drug prices, lack of competition in the insurance business. None of which was addressed by Obamacare. Much of which is a matter of state law. Malpractice suits go to state courts. Changes in state law could make it harder to win a malpractice suit. Drug prices could be reduced by purchasing drugs overseas or from Canada. Competition could be increased by a state law allowing health insurance companies from every state in the Union to sell policies in New Hampshire.
If we work at it, we can find the money in reduced health care spending.
Hmm. Right now the US spends 19% of GNP on healthcare. All other countries in the world spend half of that, and citizen's health in the first world nations is as good, maybe a bit better than it is in the US. If the US cut its health care expenditures down to the level of the rest of the world, that would free up nearly 10% of GNP for other purposes.
10% of GNP is a whacking great sum. The entire Federal budget is only 24% of GNP. 10% of GNP would cut the federal deficit to zero and leave money left over. If the rest of the world can keep healthcare spending below 10% of GNP why can't we? If we did, it would free up rivers of cash to put to better purposes.
We even know some of the reasons US health care is so expensive. Malpractice suits, high drug prices, lack of competition in the insurance business. None of which was addressed by Obamacare. Much of which is a matter of state law. Malpractice suits go to state courts. Changes in state law could make it harder to win a malpractice suit. Drug prices could be reduced by purchasing drugs overseas or from Canada. Competition could be increased by a state law allowing health insurance companies from every state in the Union to sell policies in New Hampshire.
If we work at it, we can find the money in reduced health care spending.
Saturday, October 30, 2010
Terror comes by UPS
A couple of packages, containing bombs, sent from Yemen, to a pair of synagogues in Chicago, have consumed more airtime than the World Series gets. From the newsie's commotion you'd think a second 9/11 was in progress.
The explosive was hidden inside toner cartridges, which are not all that big. Not big enough to knock down a building. That's enough to do a door, or put one giant scorch mark on a carpet, but nothing more.
Could these have been a diversion? Get the Americans all excited and running around about nothing, while something more lethal is going on somewhere else? Or maybe just a Halloween trick?
The explosive was hidden inside toner cartridges, which are not all that big. Not big enough to knock down a building. That's enough to do a door, or put one giant scorch mark on a carpet, but nothing more.
Could these have been a diversion? Get the Americans all excited and running around about nothing, while something more lethal is going on somewhere else? Or maybe just a Halloween trick?
Thursday, October 28, 2010
138 pages "Medicare and You"
"This is the official U.S. government Medicare handbook". Came in the mail yesterday. Am I going to read 138 pages of gobbledy-gook? Probably not. Is it worth filing away just in case I develop some strange malady and need to know if it's covered? Dunno, I think I filed last year's and never touched it.
Tuesday, October 26, 2010
Wikileaks and leakers Part II
Wikileaks is right out there, making the world safe for democracy by publishing 400,000 secret US Army field reports. The reports, filed by junior officers after action, some times describe intelligence sources, name Iraqi informers and describe Iraqi Army prisoner treatment that makes the Marquis de Sade look like a pussy cat.
A treacherous US Army enlisted man is responsible for sucking all this stuff off Army computers and passing it to Wikileaks.
In the old days, 400,000 reports would be on paper and kept in GI steel safes, the kind with the user hostile combination lock. Carrying that much classified out the door without being noticed was impossible. But now we got automation, the reports are all kept on disk and anyone with a password can sweep them onto a flashdrive and be gone. So number 1 mistake was putting this stuff on computers in the first place. Windows computers are so insecure, you might as well publish the classfied on the base bulletin board as put in on disk.
Second mistake is keeping it. Back when I was serving my country, we had a January ritual. Every January we cleaned out the classified from the safe and changed the safe combination. Junior commissioned officers (like me) were required to haul the out dated classified up to the base power plant and heave it into the furnace. This was Duluth Minnesota, and the base power plant ran a huge coal furnace to heat the whole base. Any classified more than a year old I burned. And signed each one off as destroyed on our classified documents inventory.
Finally, the Army seems to have forgotten about compartmentalization. This one enlisted traitor should never have had access to that much stuff. His pass word should have been limited to just stuff from his unit, not everything in every unit over all of time.
A treacherous US Army enlisted man is responsible for sucking all this stuff off Army computers and passing it to Wikileaks.
In the old days, 400,000 reports would be on paper and kept in GI steel safes, the kind with the user hostile combination lock. Carrying that much classified out the door without being noticed was impossible. But now we got automation, the reports are all kept on disk and anyone with a password can sweep them onto a flashdrive and be gone. So number 1 mistake was putting this stuff on computers in the first place. Windows computers are so insecure, you might as well publish the classfied on the base bulletin board as put in on disk.
Second mistake is keeping it. Back when I was serving my country, we had a January ritual. Every January we cleaned out the classified from the safe and changed the safe combination. Junior commissioned officers (like me) were required to haul the out dated classified up to the base power plant and heave it into the furnace. This was Duluth Minnesota, and the base power plant ran a huge coal furnace to heat the whole base. Any classified more than a year old I burned. And signed each one off as destroyed on our classified documents inventory.
Finally, the Army seems to have forgotten about compartmentalization. This one enlisted traitor should never have had access to that much stuff. His pass word should have been limited to just stuff from his unit, not everything in every unit over all of time.
Monday, October 25, 2010
Laptops on Airliners
Atlantic magazine has an article about the difficulty of providing 120 volt AC power at each seat to charge passenger laptops. Clearly the Atlantic people are journalism majors who have trouble changing lightbulbs. (How many J school students does it take to change a light bulb? Five, one to hold the bulb and four to rotate the stepladder.)
Allow 100 watts per laptop charger on a 200 seat aircraft and you have 20,000 watts, about what five electric kitchen ranges take. It's a respectable amount of power but nothing that the jet engines cannot provide. The engine drives an AC alternator thru a power takeoff shaft. In fact airliners since the DC-6 (and maybe earlier) have 115 volt AC alternators, one on each engine. There is plenty of power available to drive the alternator. A 20 Kilowatt alternator only needs 26 horsepower to turn it and jet engines furnish thousands of horsepower.
In fact, it's only a matter of wiring up each seat. All jetliners currently generate 120 Volt AC power at 400 cycles per second (hertz). 60 cycle electrical equipment works just fine on 400 cycle power. We used to operate delicate electronic test equipment out on the flight line off 400 cycle power. Worked fine and lasts a long time.
So, all that is required to bring laptop charging outlets to all the passengers in coach is will on the part of the airlines. Doing it right would be to have Boeing and Airbus do an engineering change order (ECO) to fit a passenger charger alternator into a couple of engine nacelles and do a cabin wiring diagram. An ECO of this nature would have to be reviewed by FAA for safety and and that takes time, but it's doable. Installation would take the plane out of revenue service for three or four days. Not cheap.
Cheaper for a small outfit like Virgin Atlantic, would be to just wire the cabin, and either install an inverter to convert aircraft power to 60 cycle AC or just run 400 cycle aircraft power to the seats. Cabin wiring can be customized by each airline and changes, like laptop charger circuits, probably do not require FAA approval. That's the low cost way to go.
As soon as one airline decides that offering laptop charger plugs will bring in business, they will put 'em in. As long as the airlines think the passengers don't care all that much, they won't. It's a matter of economics, not technology.
Allow 100 watts per laptop charger on a 200 seat aircraft and you have 20,000 watts, about what five electric kitchen ranges take. It's a respectable amount of power but nothing that the jet engines cannot provide. The engine drives an AC alternator thru a power takeoff shaft. In fact airliners since the DC-6 (and maybe earlier) have 115 volt AC alternators, one on each engine. There is plenty of power available to drive the alternator. A 20 Kilowatt alternator only needs 26 horsepower to turn it and jet engines furnish thousands of horsepower.
In fact, it's only a matter of wiring up each seat. All jetliners currently generate 120 Volt AC power at 400 cycles per second (hertz). 60 cycle electrical equipment works just fine on 400 cycle power. We used to operate delicate electronic test equipment out on the flight line off 400 cycle power. Worked fine and lasts a long time.
So, all that is required to bring laptop charging outlets to all the passengers in coach is will on the part of the airlines. Doing it right would be to have Boeing and Airbus do an engineering change order (ECO) to fit a passenger charger alternator into a couple of engine nacelles and do a cabin wiring diagram. An ECO of this nature would have to be reviewed by FAA for safety and and that takes time, but it's doable. Installation would take the plane out of revenue service for three or four days. Not cheap.
Cheaper for a small outfit like Virgin Atlantic, would be to just wire the cabin, and either install an inverter to convert aircraft power to 60 cycle AC or just run 400 cycle aircraft power to the seats. Cabin wiring can be customized by each airline and changes, like laptop charger circuits, probably do not require FAA approval. That's the low cost way to go.
As soon as one airline decides that offering laptop charger plugs will bring in business, they will put 'em in. As long as the airlines think the passengers don't care all that much, they won't. It's a matter of economics, not technology.
Sunday, October 24, 2010
NPR does bait and switch
Listening to the clock radio this morning, NPR did a piece that started out wishing for scientist's who can make science clear to non-scientists. That's good. We used to have people like Willy Ley and Jerry Pournelle and Isaac Asimov who were superb science writers. They have not been replaced and I miss them.
Just as I was getting with the program, the interviewer changed the subject to global warming. And right off the top of his head, the interviewee said the Hadley Climate Research Unit (CRU) people should have counter attacked the great document leak, and called it theft, copyright infringment and mopery and dopery.
Wow. big switch from explaining how the science works, to tactics for winning a political argument.
Hadley CRU was a British center of global warming. Somehow a vast internal collection of emails, memos, computer programs, and data files from CRU appeared on the Internet last October. The emails and memos concerned discrediting other climate scientists, and the computer program code had places that fudged the data to create warming graphs no matter what the data was. Every technical person who read thru this stuff became convinced that Hadley CRU was all propaganda and no science.
NPR a year later is explaining how to wish the great document leak away. In my book that is NOT explaining the science to the laymen. That's selling a political point of view.
Just as I was getting with the program, the interviewer changed the subject to global warming. And right off the top of his head, the interviewee said the Hadley Climate Research Unit (CRU) people should have counter attacked the great document leak, and called it theft, copyright infringment and mopery and dopery.
Wow. big switch from explaining how the science works, to tactics for winning a political argument.
Hadley CRU was a British center of global warming. Somehow a vast internal collection of emails, memos, computer programs, and data files from CRU appeared on the Internet last October. The emails and memos concerned discrediting other climate scientists, and the computer program code had places that fudged the data to create warming graphs no matter what the data was. Every technical person who read thru this stuff became convinced that Hadley CRU was all propaganda and no science.
NPR a year later is explaining how to wish the great document leak away. In my book that is NOT explaining the science to the laymen. That's selling a political point of view.
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