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NASA Space

NASA Scraps Shuttle And Returns to Rockets 553

nathanh writes "NASA is building a launch system that they've informally dubbed Apollo On Steroids. It's a hybrid design of the Apollo capsules and the Shuttle's booster rockets and engines. Crew and cargo are lifted by two different rockets: the crew use a single-booster/single-engine rocket and the cargo is lifted by an awe-inspiring two-booster/five-engine rocket. NASA reckons this craft will take humanity back to the Moon and then to Mars. Has NASA realised that the old designs were better? Or is this all a ploy to recapture the hearts of the public?"
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NASA Scraps Shuttle And Returns to Rockets

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  • Finally.... (Score:2, Funny)

    by FST777 ( 913657 )
    Real news from NASA!
  • Mars? (Score:3, Interesting)

    by mboverload ( 657893 ) on Monday October 24, 2005 @04:42AM (#13862209) Journal
    Sure, they'll get to Mars in it. All their muscle mass will be gone, but they'll get there.

    You need a spinning ring to provide artificial gravity or they will literally collapse when they set foot on Mars.
    • Re:Mars? (Score:4, Insightful)

      by qazsedcft ( 911254 ) on Monday October 24, 2005 @04:46AM (#13862220)
      You need a spinning ring to provide artificial gravity or they will literally collapse when they set foot on Mars.

      Not necessarily. If you accelerate at 1 g for half of the trip, then do a flip and decelerate at the same rate for the second half of the trip you get the same effect, with the added bonus of getting there faster. The only problem is the energy required to do that, but I'm sure they'll figure that out some day... ;)
      • Re:Mars? (Score:2, Informative)

        by Anonymous Coward
        Accelerate at (-)1g for the entire trip?
        That is a phenominal waste of fuel... bloody ridiculous.

        If/when we get working fusion + ion drives or something then it might be feasible, but with conventional rockets this is out of the question.
        • Notice the ;)
        • Re:Mars? (Score:5, Insightful)

          by QuantumG ( 50515 ) <qg@biodome.org> on Monday October 24, 2005 @05:09AM (#13862281) Homepage Journal
          It's hardly a waste of fuel. If you did what the grandparent post suggested you'd get to Mars in less than 48 hours. It'd be great if we could do that, but we can't. The question is, though, how much acceleration do you need to maintain body mass?
          • Re:Mars? (Score:5, Funny)

            by The Wooden Badger ( 540258 ) on Monday October 24, 2005 @06:05AM (#13862411) Homepage Journal
            Personally I'm in favor of 50 G acceleration, a la Dragonball Z. That way we get Super Sayan astronauts out of the deal. Explore space and protect Earth all from one project.
          • Re:Mars? (Score:4, Interesting)

            by Hakubi_Washu ( 594267 ) <robert...kosten@@@gmail...com> on Monday October 24, 2005 @06:48AM (#13862509)
            I'd suggest changing the Gs from 1 to .38 earth to mars and vice versa on the way back, that way you'd have a nice acclimatisation to the respective gravities.
            The energy problem however remains and cannot to my knowledge be solved currently. If we could make ion engines or the hydrogen & electric arc systems more efficient and get a small fission or, better, fusion reactor onboard that might stop sounding utterly ridiculous though. On the other hand, using a tether-based rotation as proposed in "mars direct" is way cheaper and obtainable today...
            • Re:Mars? (Score:3, Interesting)

              by mforbes ( 575538 )
              As a previous poster pointed out, at optimal times Mars and Earth are only 48 hours apart at 1g acceleration. Even at .38g, that's not exactly enough time for acclimitization.

              Nice idea in principle though. I'd suggest it might work well for targets further away, but the reality is that anything in our solar system is only a matter of a very short time away at 1g constant acceleration (ok, flip over 1/2-way through to accelerate at 1g the other way so your velocity at your target is low enough to orbit/
    • Re:Mars? (Score:5, Funny)

      by aurb ( 674003 ) on Monday October 24, 2005 @04:55AM (#13862249)
      All their muscle mass will be gone, but they'll get there.

      Unless they order the astronauts to have sex during the flight... Oh wait.
    • Re:Mars? (Score:2, Informative)

      by raptor_87 ( 881471 )
      Or you could do something rather like Mars Direct and just spin the who vehical, with a tether to the last stage of the launch system...
    • Re:Mars? (Score:2, Informative)

      by pookemon ( 909195 )
      Or they could exercise on the way over there with resistance equipment (like big rubber bands or springs).
    • Re:Mars? (Score:5, Interesting)

      by gilesjuk ( 604902 ) <<giles.jones> <at> <zen.co.uk>> on Monday October 24, 2005 @05:17AM (#13862299)
      There's those who would go even if it's a one way trip. But sadly it won't be up to the public to decide :)

      Could be a new reality TV show :)
      • Re:Mars? (Score:3, Interesting)

        by Catbeller ( 118204 )
        Been waiting to make exactly that point. Yup, the Apollo Syndrome at work. Send Presbyterians on a very expensive round trip to Mars (no sex allowed -- see the latest NASA news) to pick up rocks to Work Out the Origin of the Solar System and to Find Evidence That Life Once Existed On Mars. Expensive, useless, and oh so juiceless.

        If you want to go to Mars, send people to Mars on a one-way trip. Land hospital modules, food, equipment to build housing and greenhouses, rovers, everything. Land the supply drops
    • Re:Mars? (Score:5, Informative)

      by hankwang ( 413283 ) * on Monday October 24, 2005 @06:28AM (#13862467) Homepage
      You need a spinning ring to provide artificial gravity

      It can be done much simpler: split the spacecraft in two and connect them with a long steel cable. That way the two halves can rotate around their center of mass and create artificial gravity without the trouble of getting a huge construction into space. Also it is easier to make a large diameter for which a low angular velocity will be sufficient to create 1 g, thus reducing disturbing Coriolis forces.

  • Capsules? (Score:5, Insightful)

    by Deflatamouse! ( 132424 ) on Monday October 24, 2005 @04:42AM (#13862212) Homepage Journal
    Shouldn't the title read "NASA Scraps Shuttle And Returns to Capsules"?

    Both the shuttle and the capsules are lifted by rockets...
    • The space shuttle is essentially a capsule also, albeit with a pair of wings.
    • by Markus Registrada ( 642224 ) on Monday October 24, 2005 @07:02AM (#13862557)
      With all due respect to the engineers at NASA, this looks like the nastiest thing the Agency has ever been railroaded into. The solid rocket boosters were the worst feature of the Shuttle design; it was supposed to have a hydrogen first stage until NASA hit a budget crunch and strapped on the damned missiles. They're appalling polluters, unconscionably expensive, and fragile. (Why are they made in pieces and shipped to Florida? Jobs in Utah. If they had been built at Cape Canaveral they'd be in one piece, and the first boom wouldn't have happened.)

      We can barely afford to keep a low-earth-orbit space station from burning up in the atmosphere, never mind actually doing anything useful. (The crew spends all its time on maintenance.) Now we're supposed to keep a lunar station going using super-sized Apollo designs that were abandoned decades ago because they were too wasteful. What are the crew supposed to do on the moon, anyway? Dig? What are they supposed to do on Mars? It's hard to imagine more useless lumps of dead rock.

      Asteroid missions (manned or not) would be interesting. Space elevators would be very interesting. Even another Cassini (for Jupiter) would be interesting. Instead, they're gutting JPL. Anybody who says this is something other than a disaster for NASA and for space exploration is drinking Kool-aid.

      • by WindBourne ( 631190 ) on Monday October 24, 2005 @08:52AM (#13863026) Journal
        They're appalling polluters, unconscionably expensive, and fragile.

        Well, they are polluters, but I suspect that even if we moved to 1 a day, that we would not make too big an impact.

        As too expensive, that is not accurate. The solid fuel is slightly more expensive than liquid O2/H2 systems. However, it does not require the cost infrastructure that does liquid systems. In addition, this is being used primarily to launch crew, not cargo (I suspect that the airforce will probably keep a few hanging around to launch spy sats. on a moments notice). When it comes to life, we should be (and are) willing to spend a bit more to get a better saftey record.

        Now as to fragile, it is one of the most stable since it can not blow up. Now, I am sure that somebody is going to mention challenger. The solid booster did NOT blow up. It was the main liquid tank that did due to the O-ring leaking a plume into it. if we had this system in place, the leakage would have meant that those 2 segments would have had a hole and they would have been unuseable. If the hole actually got big enough, it would have meant that the capsule would have been jetisoned for crew ecscape, and everbody lives. This would have been a fraction of the costs of the challenger/columbia incidents.

        At this point, the solid units are one of the best approachs at getting man into space, quickly. Long term, we will almost certainly change. In fact, I am in hopes that t/space will be a big winner.

        • by Pontiac ( 135778 ) on Monday October 24, 2005 @10:33AM (#13863678) Homepage
          Now as to fragile, it is one of the most stable since it can not blow up. Now, I am sure that somebody is going to mention challenger. The solid booster did NOT blow up. It was the main liquid tank that did due to the O-ring leaking a plume into it

          Great point. If anyone cares to remember the soild boosters kept going after the main tank exploded.. Ground control had to blow them up since they were now uncontroled. Now that's stable!
          • by Ayaress ( 662020 ) on Monday October 24, 2005 @01:49PM (#13865240) Journal
            They were uncontrolled, but not OUT of control. They continued on fairly stable paths diverging slightly outward from the shuttle's path. Even considering that they'd had a massive tank of liquid rocket fuel explode right next to them, they not only survived, but didn't even lose stability from what damage they took.

            The escape mechanism mentioned in the article is worth remembering too. Remember, when Challenger blew up, three objects survived - both SRBs and the forward section of the shuttle itself, which is believed to have had at least part of the crew alive inside. Had the shuttle been equipped with an escape rocket (Which the Gemini, Appollo, and Soyuz capsules all were/are, and like the system shown in the article will), at least part of the Challenger crew may have survived.

            But, the fundamental "airplane" design made that impossible or extremely expensive, and it was never done, even after Challenger.
    • by theonetruekeebler ( 60888 ) on Monday October 24, 2005 @07:15AM (#13862597) Homepage Journal
      I misread your statement as "NASA Scraps Shuttle And Returns to Catapults ." I was fully prepared to write six paragraphs slamming the U.S. government's non-military budget cutbacks. I continued with a rant about how the spring tensions would be uncontrollable and that we should use some peak in the Andes as the pivot for a gigantic trebuchet.

      Please don't post to Slashdot until I've had more coffee.

  • by jonwil ( 467024 ) on Monday October 24, 2005 @04:44AM (#13862216)
    I am going to treat this as vaporware just like every other "shuttle replacement" NASA has come up.
    • I am going to treat this as vaporware just like every other "shuttle replacement" NASA has come up.

      At least the new NASA boss is making noises [slashdot.org] that he understands that the $250 billions into shuttle and space station weren't a good use of resources.

      But Goldin did things like that, too, in the beginning, if I remember correctly and the old aerospace companies that made the shuttle gets more work.

      Sigh, when thinking about it, you are right -- sounds like a newly "elected" banana republic president p

    • ...are vapour already.

      I vote that we build two real bang-bang [wikipedia.org]s and put a real station into a real orbit [space-frontier.org] with one, and a real mine and a real slingshot onto the Moon with the other. Far less polluting and far safer than the hundreds of missions they would replace, and they'd shave, oh -- I don't know -- maybe 50 years off the space program?
  • Does anybody remember the concept of the next generation space shuttle that nasa talked about during the mid to late 90's. I remember there was research and products being developed for this project. Does it still exist, or has it just vanished into the black hole of failed/forgotten nasa projects?
  • by lightyear4 ( 852813 ) on Monday October 24, 2005 @04:45AM (#13862219)
    Reusing the shuttle main engines might seem like an R&D cost saver, but isn't it also a kickback to the contractors who currently support the shuttle too? They would stand to lose quite a bit otherwise.
  • More like a ploy... (Score:3, Interesting)

    by Raynach ( 713366 ) on Monday October 24, 2005 @04:47AM (#13862224) Homepage
    ... to do everything on budget.

    NASA's funding is continuously being cut while they are being forced to stay in the space race by other countries, and consequently, the White House.

    This isn't an attempt at something nouveau and ground-breaking engineering-wise, but a pieceing together of cheap rockets and whatever else is in the warehouses.

    • by Ariane 6 ( 248505 ) on Monday October 24, 2005 @04:55AM (#13862250)
      Umm...NASA's budget has actually increased with respect to inflation for the first time in recent memory.
    • by bani ( 467531 ) on Monday October 24, 2005 @04:55AM (#13862252)
      This isn't an attempt at something nouveau and ground-breaking engineering-wise

      until there's some fantastic new propulsion technology, ground-breaking engineering isn't going to happen anyway. there's only so much you can do within the bounds of chemical rockets. nuclear propulsion is politically off-limits, and ion engines haven't scaled to multi-ton spacecraft yet.
      • > and ion engines haven't scaled to multi-ton spacecraft yet

        Well, you can push a multi-ton spacecraft with an ion engine to incredible speeds. Sure, you'll be 80 by the time it gets to 1,000 mph, but I digress.
        • Could you use some extremely high-power energy source to get high amounts of thrust with an ion engine? Say, a nuclear reactor?
      • What ground-breaking engineering do the Russians have? They are flying 60s and 70s designs into space reliably and on schedule and probably on a 1/10 of the NASA's budget. At this point in time the cash-strapped Ruskies can get to the ISS safer, faster and cheaper than NASA can with their shuttles.

        And NASA probably did get their budget cut since they keep making mistakes and blowing up astronauts.

      • nuclear propulsion is politically off-limits..

        It is off limits for more reasons than just evil liberals and environmentalist and their protests. While I agree that for the forseeable future there is no way to get around nuclear technology in large sized space craft for deep space exploration I also share some of the concerns voiced by people arguing against using nuclear power with wild abandon in the design of spacecraft. The problem is how do you build a large sized space craft capable of really worth whi
      • by maxpublic ( 450413 ) on Monday October 24, 2005 @10:23AM (#13863604) Homepage
        nuclear propulsion is politically off-limits

        Hopefully not for too much longer. According to recent polls Americans are less likely to agree with or pay attention to environmental groups than at any other time since the '60's, and many who previously would've opposed the construction of nuclear power plants are now in favor of using them to replace current oil and coal-fired plants. The trend is especially marked with the under-40 age group, who describes itself as "disenchanted" and "increasingly skeptical" of environmentalist claims.

        With the primary political base of environmentalism shrinking due to the aging of its main supporters, it's quite possible that nuclear power - once the Great Boogeyman of our hippy past - will make a strong resurgance. And with that comes the possibility of using it for other applications (international treaties to the contrary be damned).

        Max
    • by MikeFM ( 12491 ) on Monday October 24, 2005 @06:06AM (#13862413) Homepage Journal
      I think cheap is better than gee-whiz perfection when it comes to highly experimental projects like space exploration. First what we should work on is sending unmanned packages into space on the ultra-cheap. So cheap that we can send thousands of such packages up if we want to. Ideally these packages would be able to not only get out of our atmosphere but also to self navigate and land on the moon. Then we could build experimental machines designed to study the moon and prepare it for mankind by burrowing out air-tight caves big enough to contain a moon base and maybe even organizing all that material bored out into something that'd be useful for astronauts when they get there. What we want is to send cheap machines up that can put into place everything we'll need to live there. If each machine is cheap enough to make and deliver then we can replace those which fall short of our goals or that fail. Trying to make expensive fail proof machines that are even more expensive to deliver is a sure way to put off getting there until the end of the century. Using cheaper machines and delivery we should be able to get there in the next decade.

      As much as people might hate to hear it I'd cut corners on manned space vehicles too although not near as many corners. Exploration has always been a dangerous business. Let the bold take their chances and reap their rewards. Open being an astronaut to anyone that passes a basic phsyical and psych test and whom might be able to do something useful. Honestly we're going to need to send up some cheap manual labor. If 1 in 3 ships doesn't make it it really doesn't matter if the people going are replacable and the ship itself didn't cost much. Hell, fall back to the old system of taking recruits among prisions and the poor. It may be dangerous but it gives them a chance at a new life. Always exploration has been a chance for those with nothing to lose to risk everything for that chance. Do it again.

      In the longer view I think the space elevator is going to be the delivery mechanism for the masses but for now ultra-cheap rockets is a good idea. The cheaper the better so long as they can still get the job done at a rate faster than what we're doing now. (Wasn't there a story recently on rockets that need 1/10th the fuel for the same lift? which means carrying less fuel weight which means needing less than 1/10th the amount of fuel to achieve the same work.)

      Caution will not win us new frontiers. Let man go where no man has gone before.
  • Did You Know? (Score:5, Interesting)

    by distantbody ( 852269 ) on Monday October 24, 2005 @04:47AM (#13862226) Journal
    Japan intends to build an orbiting solar station by 2040. The planned satellite is to be equipped with two giant solar panels, each being 1*3 km in dimension, and will weigh about 20,000 tonnes, thats impressive

    Back to the topic, i wonder how much cold-war flaunting the shuttle represented at the cost of practicality...
    • Awesome!

      When there are enough super-solar-panels up there the whole day will be like a rave. w00t, strobe sun! Oh yeah!
    • Re:Did You Know? (Score:5, Insightful)

      by Vellmont ( 569020 ) on Monday October 24, 2005 @05:34AM (#13862332) Homepage
      35 years in the future? When you don't know what technology will be like in even 10 years, how can you possibly plan 35 years ahead?
      • Re:Did You Know? (Score:3, Interesting)

        by hey! ( 33014 )
        Japanese planners (business and government) apparently don't see planning over longer horizons to be a waste of time, even if does not automatically translate into immediate results. This is a cultural difference. America is more individualistic and therefore less inclined to think in terms longer than the period the planner expects to be associated with his employer. Japanese planners seem to think more in terms of the orgization, which is immortal. I've heard of Japanese businesses having assumptions and
    • 2040? Heck, we'll all be living of tabletop fusion by then! When not driving our flying cars to and fro, that is...
  • In order to make any project successful, it is necessary to be able to both plan ahead to take care of contingencies before they appear and also be able to be flexible enough to work around unforeseen problems. This latest effort, though definitely a good step away from the shuttle program, does not allay the fears of a lack of the second point above. They think they can plan ahead for each contingency, but the NASA bureacracy is too heavy and too heavily dependent on Congressional support.

    Congressional s
  • The right stuff!

    Enuf said.
  • by Dynamoo ( 527749 ) * on Monday October 24, 2005 @04:55AM (#13862251) Homepage
    Nasa state an intention to return to the moon by 2018 - by which time some of the underlying Apollo technology will have been around for 50 years. I wonder how the Apollo astronauts would have reacted if the design of parts of their craft has been designed back in 1918?

    Old doesn't necessarily mean unreliable in design terms - after all, the Russian's workhorse Soyuz orbiter is based on a 1960s design too, but you'd hope that by 2018 we'd be using something.. a little more high-tech.

    Just to give a reminder of how much momentum has been lost in the space program: I was born in the same year the movie 2001 came out - when that film was made it was absolutely believable that the sort of technology portrayed in the film could be in use by 2001. The (admittedly flawed) Shuttle was an obvious step towards this future - but somewhere everything went wrong. This is not the future we were promised. Where are the flying cars?.

    Still, it's all progress of a sort, I suppose.

    • by rufty_tufty ( 888596 ) on Monday October 24, 2005 @05:57AM (#13862387) Homepage
      But would you argue that the Ford Focus is based upon the model T?
      The Soyuz orbiter is being constantly updated, pretty much each one that goes up is an improvement on the previous one. I think to call what flies now 1960s technology is a bit harsh. Yes you did say it's based upon it, but in that case, I just drove to work in a low-tech vehicle based upon a 1908 design.
      Damn I hoped I'd get more for my money than that ;-)
  • By going back to older technology. Both H G Well and Jules Verne proposed methods of space exploration, one of which simply involved firing astronauts out of a giant cannon, and the other merely required the discovery of a simple anti-gravity material. Clearly all that is needed is a really strong cup of tea, a few dedicated scientists who don't get invited to parties, and NASA can stop messing around with those expensive and unreliable rockets.

    And, at the very least, we can stop wasting taxpayers'money on

    • Come on folks, we can't even organise ourselves on Earth to prevent avoidable damage from hurricanes and earthquakes, we can't agree on whether we are causing climate change by producing greenhouse gases, we are faced with an influenza pandemic that no-one really knows how to deal with, and we still have R&D money to spend on sending people to the moon and Mars?

      Taking money from NASA won't help any of that. There's plenty of pork barrels around that will absorb any spare cash. Why not look at larger i

    • by bsartist ( 550317 ) on Monday October 24, 2005 @05:20AM (#13862305) Homepage
      Come on folks, we can't even organise ourselves on Earth to prevent avoidable damage from hurricanes and earthquakes, we can't agree on whether we are causing climate change by producing greenhouse gases, we are faced with an influenza pandemic that no-one really knows how to deal with, and we still have R&D money to spend on sending people to the moon and Mars?

      The things you mention, and other unavoidable stuff like a massive meteor strike, are precisely the reason(s) we should be doing these things. Our goal shouldn't be to "simply" get to the Moon, or Mars. Our goal should be to establish a viable self-sufficient colony there that would ensure, should some catastrophy strike here on Earth that wipes out all life on the planet, the survival of the human species. Right now, all of humanity's eggs are in one basket, and as you've pointed out, that basket is looking more fragile by the day.
    • Money isn't some magical thing that makes things appear out of thin air. If you don't spend R&D money on space or related areas you'll have alot of scientists and engineers doing the equivalent of flipping burgers.

      Or you could retrain them, but adding man-power doesn't nessesarily solve the problems very much faster.
      • If you don't spend R&D money on space or related areas you'll have alot of scientists and engineers doing the equivalent of flipping burgers.

        Or maybe mad enough to take their experience in designing accurate and reliable missiles to the highest bidder. Wasn't that what we were worried about after the collapse of the Soviet Union?

  • by Saggi ( 462624 ) on Monday October 24, 2005 @05:03AM (#13862265) Homepage
    The shuttle was never build for lunar travel. It is important to understand that different spaceships are used for different tasks. The shuttle is used to bring cargo up to (low) altitude, while escaping the earth gravity completely and going to the moon (or mars) is a completely different story.

    You might carry a Luna space ship into orbit with the shuttle, but then you will just be carrying a spaceship within a spaceship. That would be a waste of fuel.

    The shuttle is only good if you wish to bring stuff back down with you. In that regard you might have used it on returning to the earth. The returning spaceship could dock with the space station and transfer men and cargo to the shuttle for safe landing. But that's only saves the weight of a single heat shield.

    So dropping the shuttle for a Luna and mars mission is the obvious choice. A lot of comments will be made in regard to "return to the old capsules". But this is not really relevant. The "old" capsules were a good design. The engineers for the first Luna expedition did a lot of thinking and testing before going there, so it's a good design. To come up with something new, just for the case of "making something new" would be stupid.

    But these new capsules are not old! They use a new propellant, to prepare them for the mars expedition. And as the old Luna Lander had computer power equivalent to a modern average car, I'll expect the new ones will be far more advanced.

    This is the same case in regards to the boosters. These are actually based on the Shuttle engines and lifters. So the engines are the same, even thou the exterior is not. And these boosters are far more advanced than the old ones as well.

    So scraping the Shuttle and returning to the old capsules?
    Not true.
    • The returning spaceship could dock with the space station and transfer men and cargo to the shuttle for safe landing. But that's only saves the weight of a single heat shield.

      A returning space ship would also need to brake before it could dock with a space station because it is very likely that it will approach earth at a much higher speed than the speed at which space station turns around the world. And for braking (outside the atmosphere) requires fuel. And that is not even taking into account the fact

  • by benjamindees ( 441808 ) on Monday October 24, 2005 @05:05AM (#13862268) Homepage
    As much as I'd like to think "ploy", they probably are onto something.

    If you think about automobiles, for instance, the most efficient configuration seems to be a combination of small passenger cars and large semi-trucks. The shuttle was basically an SUV: high maintenance, high cost, low gas mileage and range, and not big enough for truly heavy lifting. It was popular because it fit into the American one-size-fits-all independent mentality.

    But the shuttle was also part of a natural evolution. We started out driving a Pinto. We had newfound freedom, but little useful to do with it. To take the next step required a vehicle capable of doing some serious work. But we couldn't afford to go from a Pinto to a Mack Truck. That would've been too expensive, and risky. Instead, we got a Suburban, and used it as a daily-driver, as well as for some backyard projects. The insurance was less than having two autos. There was some maintenance, but we could do it ourselves, without an expensive mechanic.

    Now, though, we can afford both the Mercedes and the F-350 flatbed. We have a legitimate use for each. Eventually, we may need the equivalent of a subway car, and a Greyhound bus, and a bullet train. But even here on Earth we have lots of different ways to get around, each optimized for a specific task. We shouldn't be surprised that space is no different.
    • by Moraelin ( 679338 ) on Monday October 24, 2005 @07:30AM (#13862639) Journal
      I'm sure you know all this already, but just to put things in a historical perspective for those who don't:

      The original shuttle design was, basically, a car. It cheap, reusable, and could carry buggerall cargo. And only in some orbits.

      Then NASA wanted the Army's space budget. The Army was launching some bloody huge spy satellites (the solar panels alone are pretty darn big) in a polar orbit. And they already had the rockets to launch those. If they were gonna give NASA their budget, NASA had to be guarantee they'd put those huge spy satellites up there. What the Army wanted, basically, was a truck.

      So the shuttle got inflated to being big enough a truck to haul up anything that the Army could possibly want hauled up.

      So here we are with a one-size-fits-all solution that makes as much sense as saying that a 10-wheeler truck is the one-size-fits-all automobile. You can drive it for anything from cargo transports to groceries to driving your kids to school, right? It has to be the perfect family vehicle, right?

      In practice, that one size still didn't fit all.

      For starters, now for anything smaller (e.g., a 1-2 ton satellite), packing it in a bloody huge and heavy shuttle makes as much sense as packing a half a pound Walkman in a 100 pound steel safe when shipping it by UPS. Yeah, so the safe is reusable, but you still pay entirely too much for shipping.

      As a more insidious thing, it just created the problem of crew safety in a lot of situations where a crew just wasn't needed to start with. (Which, as we know, just jacked prices up even more, and made it even less attractive to use the shuttle for a lot of things. Other than as a national Our-Penis-Is-Bigger-Than-Yours status symbol.)

      E.g., the army was already lifting and positioning those satellites in orbit without a crew. A computer is perfectly capable of positioning a satellite in orbit on its own. You don't need a crew of cosmonauts for that.

      Using cosmonauts for that just means you have the extra worry of bringing them down in one piece, and bad PR when you don't. An unmanned rocket with a satellite exploding is something we all don't get too emotional about. E.g., you can joke about the Arianne incident and how it shows the risks of reusability, and noone will take it as insensitivity. Or about the Mars lander metric/imperial screw-up. But toast 5 cosmonauts and people get this weird thing called empathy.
      • pedantic reply (Score:3, Informative)

        by Cujo ( 19106 ) *

        Not the Army, but the Air Force, and really the NRO, whom the Air Force is working for in the spysat biz.

        Second, they never did it. The Vandenberg site was a boondoggle and work on the Shuttle facility was scrapped after Challenger. I was living in L.A. in the early 80s and REALLY looking forward to shuttle flights out of Vandenberg. SLIC-6 at Vandenberg is now an ELV facility, and the Air Force has EELV, which handles their requirements.

        Agree, however, that the shuttle was trying to please too many pe

      • "For starters, now for anything smaller (e.g., a 1-2 ton satellite)..."

        First of all, it's the Air Force, not the Army. Second, no one's putting little tiny satellites on the Shuttle. You've got Pegasus, Minotaur, Athena, and soon Falcon boosters for small payloads, for example. And there most certainly IS a need for heavy-lift capability. After the Challenger disaster in '86, the Air Force was left without a booster for those heavy, polar-orbiting satellites and had to upgrade the Titan boosters to fill
  • 'Bout Time! (Score:5, Funny)

    by Zen Punk ( 785385 ) <cdavidbonner&gmail,com> on Monday October 24, 2005 @05:06AM (#13862273) Journal
    We're returning to rockets, you say?

    Well it's about damn time. I'm sure it'll beat the pants off all those rubber bands we've been using in the mean time...
  • Safer design (Score:5, Interesting)

    by zenst ( 558964 ) on Monday October 24, 2005 @05:11AM (#13862285) Homepage Journal
    Having 1 thruster active with directional nossels is safer than two either side as per the shuttle design. As if one booster/rocket fails on the shuttle you would lose directional control.

    If one thuster fails on a standard rocket then you end up without it going anywere.

    Now a normal rocket also offerers better stremlining and as such less fuel needs over the larger front surface profile of the shuttle.

    Also the possiblities of having the top command capsule capable of having a seperate jetison detach rocket and parachute landing system incase of failure enabling the crew to for all effect eject and and be recovered does seen alot more viable over any modification to the shuttle design.

    So basicly it will be cheaper/simpler/safer and for some....sexier.

    Now what I would like to see is a way to send all the old space junk into a pile or crashing onto the moon ready for one day when we do eventualy go back and stay there. Scrap metal/floating space junk is afterall probably the bestest concentrated form of resource up there at the moment that is already past the hurdle for getting to the moon with regards to breaking out of earth's gravity.
  • by nighty5 ( 615965 ) on Monday October 24, 2005 @05:13AM (#13862290)
    The centerpiece of this system is a new spacecraft designed to carry four astronauts to and from the moon

    We want battle star destroyer size ships, capable of shuttling thousands of troops, citizens and refugees between orbits.

    No horsing around now, why is NASA peddling "four astronauts" when they could be rock'n roll troopers like those of Star Wars and Battlestar Galatica?

  • Private sector.... (Score:2, Interesting)

    by kg4czo ( 516374 )
    I can't wait for the private sector comes up with a reusable space craft that's more fuel and cost efficient than anything NASA can come up with. There seems to be too much red-tape and not enough budget for NASA to be able to do anything significant anymore.

    That aside, I remember watching the first televised shuttle launch. I held my breath when it took off, and then watched in awe as it landed some week or two later. It was a sense of something great. It's a pretty good bet I most likely won't feel the sa
    • Private companies like Lockheed-Martin or Boeing? Yeah, The Atlas V and Delta 4 cheaper, but not by *that* much. The cheapest boosters are quasi-government (Russian, specifically. Although the Ukranian Zenits shouldn't be all that expensive). And rather good (The Soyuz booster is perhaps the most reliable on the planet). There's also a reason why Zenits and Atlas IIIs and Vs use Energia derived hardware. As far as fuel efficency goes, SSMEs are some of the best (chemical) engines out there.
  • Russian Philosophy (Score:5, Insightful)

    by Analogy Man ( 601298 ) on Monday October 24, 2005 @05:46AM (#13862354)
    This is actually the Russian's style. We American's always believe we can do something better, so for each major space program they start with a clean sheet of paper and come up with a design that is bigger, better, faster...

    On the other hand, once the Russians solve a problem they reuse the design. The engines used for the boosters that launched Sputnic were fundamentally the same as those used for every subsequent vehicle for decades. Need more thrust, add more engines. If it ain't broke don't fix it.

    • You mean like the N1. http://www.aerospaceweb.org/question/spacecraft/q0 196.shtml [aerospaceweb.org] "Though seemingly more complex, the Soviets believed this approach could be developed more quickly than Apollo and would allow them to beat the Americans by making the first lunar landing as early as September 1968. However, this plan turned out to be woefully optimistic. While some blame rests on the LK and LOK vehicles whose designs fell behind schedule, the ultimate failure of the Soviet manned lunar program rests square
      • The N1 was incredibly unstable and very complex BECAUSE of all of the engines. Sometimes the NASA approach works better. Also, if I remember right, the USSR used only one vehicle rather then a separate CSM and LEM like the US did. This made the man vehicle very heavy because it had to have everything including the engine capable of deorbiting the moon and for the course back to Earth. The engines and the much bigger vehicle was ultimately what did the N1 in. The first stage of the N1 had 30 engines! I
  • by J_Omega ( 709711 ) on Monday October 24, 2005 @06:16AM (#13862433)
    The old designs, and this one, are meant for completely different purposes.

    You don't use a dump truck to take a cross-country trip.

  • Doop! (Score:3, Funny)

    by Cally ( 10873 ) on Monday October 24, 2005 @06:16AM (#13862434) Homepage
    Sounds like an early 90s "men's fragrance" don't it? "Doop! For _men_..." http://science.slashdot.org/article.pl?sid=05/08/0 3/0221226&tid=236&tid=14 [slashdot.org] Nothing wrong with that, it's just nice to see an acknowledgement with a link to the previous story with "since we _last_discussed_ this topic, foo bar and whizz have happened".

    Then again, it wouldn't be slashdot without the screams of "doop!" :)

  • by threeturn ( 622824 ) on Monday October 24, 2005 @06:17AM (#13862435)
    Having read Richard Feynman's comments [fotuva.org] on the Shuttle report I am amazed they chose to use the Shuttle booster and the Shuttle main engine, both of which he specifically comments on. To quote:

    On the solid rocket booster: A more reasonable figure for [reliability of] the mature rockets might be 1 in 50. With special care in the selection of parts and in inspection, a figure of below 1 in 100 might be achieved but 1 in 1,000 is probably not attainable with today's technology.

    On the main engine: Engineers at Rocketdyne, the manufacturer, estimate the total probability [of shuttle main engine failure] as 1/10,000. Engineers at marshal estimate it as 1/300, while NASA management, to whom these engineers report, claims it is 1/100,000. An independent engineer consulting for NASA thought 1 or 2 per 100 a reasonable estimate

    So, how exactly does this make a safe, reliable launch system?

  • by Timberwolf0122 ( 872207 ) on Monday October 24, 2005 @07:05AM (#13862570) Journal
    The biggest breakthough we can hope for is for the brainboxes at NASA/ESA to make a launch vehicle that doesn't carry it's own fule. The advantages of such a system are huge, lower mass (several thousand ton of fule less) means less fule all oth which makes for a cheaper and safer launch with heavier payloads.

    Sudgestions my are:
    magnetic pulse/rail gun to repel/shoot the craft (probably work better on the moon)
    fire the fule at the craft at a plate unter the craft (exploding on contact)
    Space elevator go solar! That Jap station with the 3^2km pannels might come in useful.
  • What about the ISS? (Score:5, Informative)

    by hobotron ( 891379 ) on Monday October 24, 2005 @07:07AM (#13862579)

    Seriously, every one of the comments above did not mention it. The Space Shuttle is the ONLY way to lift the new sections and the only way for America to send/get back astronauts (Though we can hitch a ride with the russians like we already have)

    There is a gap between where the Space Shuttle will be retired (if it isnt taken out of service or has another catastrophic failure before that) and when the new CEV and Heavy Lifting vehicles hopefully come online.

    There are 15-20 trips required of the Space Shuttle just to finish the ISS, can it make all these trips before 2010 when it has to be recertified and will probably be decommisioned altogether?

    What will be done in the 4 year gap to 2014 when the new vehicles are due?

    • by ubernostrum ( 219442 ) on Monday October 24, 2005 @09:02AM (#13863106) Homepage

      The ISS doesn't really serve any useful purpose at this point. It exists as a place for the Space Shuttle to go to, and the Space Shuttle exists as a vehicle that gets us to the ISS. Check out this article [idlewords.com] for more indo.

    • It is part of the samed flawed NASA that kept the shuttle around too long. First off we have a station that is designed around what the shuttle could deliver. We also have a station butchered by committee. What we have now is not a system which was proposed back in the Reagan days.

      I figure the best bet would be to push it into a much higher "parking" orbit and revisit it once we get the new launch technology together. This would be more politically acceptable than deorbiting it. By the time we get back
  • by Ancient_Hacker ( 751168 ) on Monday October 24, 2005 @07:43AM (#13862686)
    This design is in no particular or identifiable way "Apollo":
    • Apparently not a smidgen of Apollo hardware will be used.
    • We're talking separate boosters for crew and cargo, again not an Apollo paridigm.
    • Using liquid methane ain't the Apollo way either.
    It's more a marketing thing, piggybacking on the name of a successfull project. Just like calling everything "Ethernet", even though it's now completely different in every way from the original.
  • by prisoner-of-enigma ( 535770 ) on Monday October 24, 2005 @10:25AM (#13863615) Homepage
    I was all keyed up to see how the new system works, but the first thing that caught my eye was the use of Shuttle-era solid rocket boosters (SRB's) for the crew launch option. This is not a Good Thing.

    Solid boosters have plenty of inherent disadvantages when compared to their liquid-fueled cousins. First and foremost, when you light an SRB, it's going to take off no matter what. They can't be stopped. If something goes wrong at any point, your only option is the range safety destruction charges. SRB's cannot be throttled, either. In short, they don't give you a lot of options. They are, however, simpler, requiring no cryogenic turbopumps or internal tanks, and they can be prepped well in advance of the launch.

    Using SRB's for cargo is no problem. Using them for crewed vehicles gives me the heebie jeebies. The "old" Saturn V system used liquid-fueled engines for many reasons, and safety and flexibility were high on that list.
  • Policy failure (Score:5, Interesting)

    by Baldrson ( 78598 ) * on Monday October 24, 2005 @11:34AM (#13864152) Homepage Journal
    NASA was given a chance to clean up its act with The Launch Services Purchase Act of 1990 [geocities.com] which required them to procure all launch services from commercial sources.

    They decided they wanted to continue to try to drive capital away from commercial launch services so they could continue to keep a strangle hold on access to space.

    Time was when I would have supported NASA's science missions, supported by a commercial launch infrastructure. However, now its clear they just use their science missions as an excuse to block anyone from competing for their monopoly position.

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