The Last Atlas 2 Rocket Launch 174
Fiz Ocelot writes "Reuters reports that the last Atlas 2 rocket was launched on Tuesday. The rocket was the last to launch the old-fashioned way. For this launch, the 120-member team was inside a blockhouse 1,400 feet from the launch pad. It was also the end of an era dating back to the 1950s, when most rockets, including early manned flights, were launched from concrete blockhouses adjacent to the pads."
Replacement? (Score:1, Interesting)
Or why they aren't building anymore? 63 launches with no failures is pretty good.
Re:Replacement? (Score:5, Informative)
Re:Replacement? (Score:3, Funny)
Re:Replacement? (Score:5, Funny)
Re:Replacement? (Score:5, Funny)
Re:Replacement? (Score:1, Funny)
Re:Replacement? (Score:2)
No, they took it from these guys. [winamp.com]
Re:Replacement? (Score:2)
They managed to make the same mistake twice: They released a crappy version 3, but redeemed by continuing development on 2.9, but later screwed up again by discontinuing both and putting out 5.
The new one should have been called Winamp 10 to reflect the memory footprint relative to 2.91, the version I still use.
Re:Replacement? (Score:5, Informative)
Atlas V's Russian-built main engines. (Score:2)
By the way, an interesting tidbit: the Russians developed the rocket engines in an extremely ingenious fashion. Instead of building the rocket test stand out an an open area per US practice, they built a number of special buildings that looked like a regular factory but with extensive exhaust dissipation and noise-dampening systems just right outside Moscow to
Re:Replacement? (Score:2, Informative)
Re:Replacement? (Score:5, Informative)
The Atlas 5 is replacing the 2.
The Altas 5 can be launched in light, medium, and heavy configurations with different types of strap-on boosters and main engine configurations, all interchangable.
This brings the US more in-line in competing with the French/ESA Araiane rockets.
Re:Replacement? (Score:5, Funny)
The Atlas 2 is giving way to the Atlas 5, a more versatile and less expensive rocket that is in contention with the new Boeing Co Delta 4 and other systems to become the primary launch vehicle for NASA's new moon program, which is scheduled to fly in the next decade.
Slashdot - the only place you can look like a genius just by reading, and then understanding, the whole freaking article.
Soko
Re:Replacement? (Score:2, Insightful)
No, seriously folks. How do we expect to progress as humanity unless every aspect of our large scientific projects become open and shared? Space exploration is going to stagnate unless they start using open technologies.
Re:Replacement? (Score:2, Insightful)
Honest question - why? The great thing about "open" is that everyone can use and modify it. How many folks have the scratch to run their own space exploration enterprise?
Now, a high level tech sharing accord between the major players, I could understand, but why on ( or off ) Earth does it "need" to be opened?
Re:Replacement? (Score:2)
Isn't that enough?
Re:Replacement? (Score:2)
Re:Replacement? (Score:2)
Re:Replacement? (Score:5, Informative)
Today's launch was the last of the Atlas IIAS line. There were earlier models, and there will be models yet to come. There was an Atlas IIA, an Atlas II, and, of course, the Atlas A, the first US ICBM.
Meet the Atlas Family [astronautix.com], all 15 of them. First flight of a small prototype was in 1947. The first real Atlas flew in 1957. Alan Shepard flew into space on an Atlas D.
It's a big pressurized stainless steel can with engines. Still a good design after half a century.
Re:Replacement? (Score:5, Informative)
IIRC, the Atlas V uses a more conventional structure similar to the Thor (now Delta).
A dad of one of my friend's from high school worked on the Atlas in the early days and had a few stories to tell. One story was how TI got into volume production of silicon transistors - Convair wanted a bunch, TI said they couldn't make that many, and the Air Force said build a plant to make them - the Minuteman project later jump started the IC business.
Still amazing to see a design as old as I am still in use.
Re:Replacement? (Score:3, Funny)
Note that this article is all about the fact that the Atlas II is no longer used.
Re:Replacement? (Score:5, Informative)
No, Shepard and Grissom flew into space on a Redstone.
Glenn, Carpenter, Schirra, and Cooper flew on Atlas D's.
Re:Atlas V (Score:2)
Re:Replacement? (Score:3, Funny)
Rus
eh hem.... (Score:5, Funny)
umm...
Re:consider the jihad (Score:2, Funny)
Yes...but.. (Score:5, Funny)
Re:No way; this thing dates back to the 50s (Score:1, Funny)
Re:No way; this thing dates back to the 50s (Score:1)
Re:No way; this thing dates back to the 50s (Score:2)
Re:No way; this thing dates back to the 50s (Score:2, Funny)
I love that... (Score:4, Funny)
Re:I love that... (Score:5, Funny)
Re:I love that... (Score:1)
No, it's for Major League Baseball (Score:2)
Re:I love that... (Score:1, Funny)
Re:I love that... (Score:2, Funny)
Re:I love that... (Score:3, Interesting)
Don't worry, the US is supporting the anti-Castro terrorists any way they can.
Re:I love that... (Score:2)
It's probably just an orbiting weapons platform for use of the xxAA anyway
Re:I love that... (Score:2, Funny)
But the elections aren't for another couple months... Well, yeah, I guess the new Kerry.. errm... satellite... has to stabilize before it can replace the old, malfunctioning piece of crap that was in an orbit too high and too eccentric...
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Re:I love that... (Score:2, Funny)
Re:I love that... (Score:3, Informative)
Re:I love that... (Score:3, Insightful)
Yes, the question is where are the WMD, and it's a question that scares the hell out of me, because he had them and they're not there now, and that m
Go back a little further, think a little harder (Score:2)
Um, you want to go back a step or two. Because of course, the relationship between Saddam and Reagan's foreign policy dated back before that, and the U.S. was instrumental in bringing about Iraq's possession of those same weapons.
Here's Donny Rumsfeld, as Reagan's Special Envoy, shaking Saddam's hand. [gwu.edu]
The "Saddam was a changed man" argument is what you'd call a "straw man." You're doing an excellent job refut
Re:Go back a little further, think a little harder (Score:2)
Reagan himself explained his foreign policy approach to Iraq as part of a Q&A he gave at BYU in 1990 (I was there). He basically said, Iraq was perceived as the lesser evil than Iran, and Iran was winning that war, so we aided Iraq to keep Iran from conquering them. An Iraq, disgusting as it was, checking Iran was better than an Iran in both
Re:Oops, you did it again... (Score:2)
the war was to shut down Iraq as a haven for terrorists, and to remove the growing, but not yet imminent threat Saddam was posing to America.
The threat was growing, but not imminent, you say -- but in your previous post you've claimed he had the WMDs, and that they must be somewhere, and that it really scares you. How baldly, and badly, have you just contradicted yourself? Um, utterly?
And again, even on your own terms: "the war was to
End of an Era? (Score:2, Interesting)
Re:End of an Era? (Score:5, Interesting)
The Atlas 2 rockets were the first widely-deployed nuclear-tipped ICBMs in the US arsenal.
They were both tower and silo launched. Many of the old Altas silos are abandoned today, with a few being opened as museums, and in some cases, homes.
Re:End of an Era? (Score:2)
The later-model Atlas rockets were pulled from their silos as they were decommissioned in the 70's and 80's and reconfigured to launch satellites. These were rechristened as "Atlas 2" rockets.
No new Atlas 2 rockets were buit - they were all retrofits and moderizations of the old ICBM models.
So yes, technically there were only 63 Altas 2 flights, but many more if you also count the prior launches of the ICBM models before the left-overs became Atlas 2's.
Re:End of an Era? (Score:1)
atlas V replaces atlas II (Score:5, Informative)
Check out the launch video here [ilslaunch.com]
Re:atlas V replaces atlas II (Score:2)
And the beginning of the full size video reminds me of something from Robocop.
Maybe NASA needs to source some talent from WWF or NASCAR for these events...
well (Score:1)
What's old fashioned (Score:2, Insightful)
Re:What's old fashioned (Score:2, Funny)
Maybe they mean the old fashioned way was "Light Touch Paper and retreat a safe distance" "Safe Distance" in the case of Atlas rockets was 1400 ft and behind a concrete bunker. Maybe they ran out of firing operators.
At last! (Score:5, Informative)
This launch signals more than simply the end of that particular series of rocket.
It also signals the end of NASA's two-decade old "Shuttle + Small Rocket" schema. Hooray.
To put it another way, about *$#&#*$ time!
The "Shuttle + Small Rocket" paradigm has kept us firmly in Earth orbit for a generation, and is actually (always was) a step back from the 100-useful-tonnes-to-L.E.O. capabilites of the Apollo-era Saturn V.
This move is a move back to heavy boosters, and can't come soon enough for those of us [marssociety.org] who are keen on "seeing what's out there".
In weight terms, with 60's technology (ie the Saturn V) we could have lifted the whole ISS in two shots. With the Shuttle (ie the Winnebago of Space exploration) that has had to be stretched out over a decade, cost far more than it had to, and prevented any other human space-flight programs from going ahead.
Sending up 100 tonnes, and bringing 90 tonnes back (the Shuttle model) was always a dumb idea. If you go to the trouble of sending 100 tonnes to orbit, you should get more bang for your buck than a measley 10%.
End of an era, well overdue.
Shuttlecraft (Score:5, Interesting)
Re:Shuttlecraft (Score:2)
I think what your proposing would actually be something like having only 1 shuttle, a bunch of Soyuz capsules, and some normal rockets (Atlases, Deltas, and also Saturn 5s)
Re:Shuttlecraft (Score:2)
You're right, of course. I was trying to emphasize that the cargo shuttle was not essential in getting cargo up.
Re:Shuttlecraft (Score:2)
Re:Shuttlecraft (Score:2)
how much cargo do they bring back anway?
Re:Shuttlecraft (Score:2)
Also, why land in the ocean? A parawing is steerable. They could land at the Kennedy Space Centre, or any sizeable airport, or military base.
Re:Shuttlecraft (Score:2)
But outside of cosmonauts and hubble what else is in space that we want back... well ok the comet thingy they are going to catch with a helicopter, but besides those things.
My old bartender in the US used go on about "Big Dumb Rockets" rather than shuttles...he's got a point!
Throw-weight and stuff... (Score:5, Informative)
A throw-weight of 10% would be fantaastic... (yes, I know you're refering to what's left up there - but it was that line which set me looking for info on payloads vs launchweight).
- The Saturn V had a take off weight of 3,038,500 kg and could deliver 118,000 kg to LEO - or put differently, a whopping 3.88% of the weight would be payload.
- The shuttlesystem weights in at 2,029,633 kg (or about 2/3rds of the Saturn V) and can deliver 27,850 kg to 24,400 kg to LEO (used to be more, but was redisgned after the Challenger accident). This puts the shuttle at a measly 1.37% to 1.20% payload left in orbit.
- The Atlas IIAS had a typical take off weight of 234,000 kg and was capabel of putting 8,610 kg in LEO. A respecable 3.68%, but still below the Saturn V.
- The Atlas V, which will replace the Atlass IIAS, weights 546,700 kg at lift off, manages 12,500 kg to LEO, which in turns means that just 2.29% of the mass is payload.
- The Titan II, well known for launching the Gemini spacecraft into orbit, weighted in at 154,000 kg and lifted 3,100 kg to LEO - or 2.01%.
- The Titan 4, designed to lift 'shuttle sized payloads', weights in at a respectable 886,420 kg, but manages 'only' 17,700 kg to LEO, or about 1.99%.
- Going tothe russian side, the Soyuz 11A511U2 (for many a year the mainstay of the manned spaceprogram in the Soviet Union), weighted in at 297,800 kg and lifted 7,050 kg to LEO. This places it, with 2.36%, in the same league as american boosters.
- ESA uses the large, 777,000 kg Ariane 5 EC-A, capabel of placing 16,000 kg in LEO. At a ratio of 2.06% this is no better or worse than most other launchers.
In short, the Saturn V was a vastly superior rocket - simply because of the economics of scale.
Re:Throw-weight and stuff... (Score:2)
(disclosure - I work for Boeing's competitor)
But you didnt' provide info on the Delta IV. How does it do, TOW/Payload?
Re:Throw-weight and stuff... (Score:2)
The Delta IV comes in between 3.51% (Delta IV Large) and 3.45% (Delta IV Medium).
As for my comment on the echomonics of scale - a bigger rocket will have a better ratio because less weight (realtivly speaking) will be used for the strukture and equipment - leaving more for the payload.
Re:At last! (Score:2)
First of all, just because it would take fewer flights doesn't necessarily mean that it would cost less.
Second, suppose you launched the ISS on two unmanned rockets. Who would put it together? How many shuttle flights would it take to get enough on-orbit person-hours to do the assembly?
Finally, what about form factor? I haven't been able to find the payload dimensions for the Saturn V, but it might be that the bay in the shuttle is better
Re:At last! (Score:2)
Re:At last! (Score:2)
Which is fine for a service module or a functional cargo block, but isn't exactly optimal for each and every module of a station, especially given that most reboost operations are done with pidly little engines on a Progres cargo craft.
Pretty much the design of the ISS is all built
Funny... (Score:2)
Now THAT's progress, boys!
(btw, I'm agreeing with you, if you aren't seeing through the thick layer of cynicism.)
Re:Funny... (Score:3, Informative)
Skylab was essentially the third stage of a Saturn V, put up in a single piece. This was followed up by four service flights launched on Saturn IB rockets. These service flights carried crew and supplies, and in the case of the first one, an umbrella to replace the Skylab insulation that had been damaged on liftoff.
Re:At last! (Score:2)
Your conclusions do not follow from your facts.
This is a move to another family of incredibly expensive boosters. All it signals is that Boeing realized one thing: Given how #%#! expensive their boosters are, it doesn't really matter how much fuel's in there, it has no real point in optimizing that, nor is it even worth worying about how much metal they are using to make the booster. It simply doesn't matter because the big cost is fabricating the vehicle and spending months getting each and every
Re:At last! (Score:2)
Which would be the best possible outcome, because once you got some kind of mass production going on the stack, then the costs come way, way down. This argument has been demonstrated here [optipoint.com] among other places.
If you're talking about robots, perhaps not. But here's a research task for you: look up what an actual rock hound does searching for actual microfossils on eart
Re:At last! (Score:2)
The point, however, is that a good reusable booster designed properly will cost fuel costs and maintenence, plus launch range fees. As long as maintenence is less than material costs, it's even better.
The big reason why building a good reusable booster is so hard is that currently, people
Re:At last! (Score:2)
any manned mission will contaminate the planet with *our* bacteria
This is simply untrue.
If there is bacterial life on Mars, and we went there with _malice_ intent on wiping it all out, even if we shipped all the nukes we currently possess up there to do the job we would fail. Think about how deep in the rock bacteria is on earth. Think of all the hostile earth environments where bacteria survives. Is Martian bacteria likely to be unusually sickly? Not half. In that environment, bacteria is likely to be
Re:At last! (Score:2)
Not really rocket science? (Score:1)
Re:Not really rocket science? (Score:3, Insightful)
60 successful launches in a row, over 500 launches for the series, that's rocket science!
Re:Not really rocket science? (Score:2)
Re:Not really rocket science? (Score:2)
Making them work for 800 seconds a pop without destroying themselves is just good engineering practices and quality control.
Uh, yeah... "just". Man, I hate when that word gets used in an engineering context.
Re:Not really rocket science? (Score:2)
Spaceflight Now articles (Score:5, Informative)
Good articles from Spaceflight Now:
Atlas 2 rocket retires with remarkable record [spaceflightnow.com]
AC-167 launch timeline [spaceflightnow.com]
Launch ground track [spaceflightnow.com]
Atlas 2AS vehicle data [spaceflightnow.com]
Missile house (Score:3, Informative)
Re:Missile house (Score:4, Funny)
(Actually, I really would like to own a missle silo)
Re:Missile house (Score:2)
Now, $235k isn't bad for a bunker that big (8,200 square feet), but I'll hold out for one with an actual missile silo (I've been watching too much Star Trek and Half-Life).
Re:Missile house (Score:2)
Last LAN party I threw drew about 45 amps. I think I'm financing some exec's college tuition at N*Star.
Knowing this administration... (Score:4, Funny)
Looks about the same as long as you don't look close and lack depth perception.
End of an era? (Score:5, Informative)
The difference is that we typically have about a 20 man crew, everything from range support to NASA TM to PI and his crew. Check out my lab's photo gallery [erau.edu] for some pictures.
Re:End of an era? (Score:2)
Seriously though your site is interesting but I have one suggestion: you should put a scale of reference in the photos. How big is that RAP thing (I'm guessing the connector is a little wider than a VGA conneector) or the "payload_sampler_smaller" thing. I take pictures of things I design & build at work too and I put a met
Re:End of an era? (Score:2)
Anyways, good suggestion. Most of these were originally taken for documentation purposes. The connector on RAP is a standard canon connector. That's a 15 I believe, just like a game port on a PC. If you go into the photo gallery itself you'll see human hands holding the RAP payload. There are some pictures of the optical assembly of DEBI that I put a dim
Re:End of an era? (Score:2)
Oh and the Venus Transit photos are quite nice.
Re:End of an era? (Score:2)
Thanks for the compliment on the transit pictures. They involved a bit of luck and a week of practicing out in the hot sun. A sum total of ~$20k of toys can take some nice pictures.
It's as much an Atlas as... (Score:2, Informative)
Re:It's as much an Atlas as... (Score:2, Funny)
Re:It's as much an Atlas as... (Score:2)
Re:It's as much an Atlas as... (Score:2)
Re:It's as much an Atlas as... (Score:2)
Ya but no one seems to mind the latest Corvette being called a Corvette even though the main thing it has in common with the original is 4 wheels and a gas engine.
There's also the fiberglass body...
But what about the Mystery Clouds? (Score:2, Interesting)
Re:Oxygen Powered Rockets (Score:2)
Quite possibly: AFAIR liquid oxygen is actually fairly dangerous, and can cause spontaneous combustion if it comes into contact with some materials.
Re:Oxygen Powered Rockets (Score:2)