X Prize Race Heats Up 92
evenprime writes "Armadillo Aerospace
have already done a drop test, and
Burt Rutan's company Scaled Composites did a
second flight test
of their launch plane/spacecraft combination on July 3. SC haven't posted the results yet, but when they do you will find them
here.
Sadly, PanAero doesn't appear to be doing that well.
Although I like their "Junkyard Wars" technique, it doesn't look
stuffing rockets in the back end of a business jet
will build a legitimate contender."
Armadillo (Score:5, Interesting)
I'm cheering for Armadillo.
Re:Armadillo (Score:2)
Come up short on any of the above, and your project goes nowhere. (Well, it might blow up spectacularly!)
Re:Armadillo (Score:4, Insightful)
Open source doesn't always mean successful. I'm sure if Oppenheimer was "open source" while developing the atomic bomb during WWII, it would have been ALOT more difficult to win the war.
Agreed, comparing The Manhatten Project and the X-Prize is a stretch. But it's less of a stretch than comparing OSS and rocket science.
Re:Armadillo (Score:2, Interesting)
I think you might have read too much into my comments. I didn't say I thought Carmack was likely to win because of his approach. I said I was cheering for him.
Armadillo and Scaled Componsites (Score:3, Insightful)
Building a single rocket recovered by parachute is simpler than building two complete aircraft.
I agree that Rutan's approach is more likely to lead to a safe and commercially viable suborbital tourist vehicle. But Carmack's approach still has a fair chance to
I have safety concerns, though. (Score:2)
Given what I know about Armadillo Aerospace's rocket design, I have some serious concerns whether it will actually work as advertised. I mean, has Armadillo actually started constructing a rocket that can lift three crew members to 62.1 miles altitude, return safely, and do it again within two weeks?? Meanwhile, it appears that Scaled Compos
Re:I have safety concerns, though. (Score:2, Insightful)
The short answer is yes , the vehicle is almost done. Here's a picture of it parachuting to the ground during a recent drop test on July 5th: http://www.hobbyspace.com/AAdmin/Images/RLV/Armadi llo/dropTest-669801-R1-20A_md.jpg . (For more pictures of the vehicle, go to http://www.armadilloaerospace.com/n.x/Armadillo/Ho me/News?n
Here's the damn thing HTML Formatted (Score:2, Informative)
The short answer is yes, the vehicle is almost done. Here's a picture of it [hobbyspace.com] parachuting to the ground during a recent drop test on July 5th.
For more pictures of the vehicle, go here [armadilloaerospace.com]. For an article about the drop test, go here [space.com].
But I mu
Re:Armadillo and Scaled Componsites (Score:1)
I don't agree at all.
Now, I can certainly see both sides' arguments in the SSTO vs TSTO debate, but using two stages to go suborbital is definetly not the way to this (affordable consumer spaceflight) in the long run.
OTOH
Open Source (Score:1)
Re:Armadillo (Score:2)
Re:Armadillo (Score:3, Informative)
Re:Armadillo? Ouch!!! (Score:5, Funny)
I don't think I want to be a passenger in that particular entry. Breaking ground is a pretty severe way of landing, in my opinion.
Re:Your sig (Score:2)
Re:Armadillo? Ouch!!! (Score:2)
tumbling (Score:4, Insightful)
More like two reliable systems mated together. Sure, the union isn't inherently reliable, due to unforseen interactions, but the individual components of each certainly are. They may be behind, but it's no reason to scoff at them.
Re:tumbling (Score:1, Flamebait)
Oh, sleep deprivation, how you make Slashdot posts so much more inventive and enjoyable.
Re:tumbling (Score:2)
Wasn't that the first scene in Heavy Metal [imdb.com]?
Okay, it was a muscle car, but...
Rustin
Re:tumbling (Score:4, Informative)
If you look at the successful "space plane" type vehicles that NASA or any other big research team has developed, you'll see that it required designs that looked more like a rocket than an airplane to get anything anywhere near the edge of space.
If not a "junkyard wars" approach, it is an extremely optimistic design. I would expect the wings to rip out at the roots when they light up the rocket motors.
Re:tumbling (Score:3, Interesting)
The article describes that the rocket motors would be incremently ignited. IANARS, but I would assume this would lessen the stress on the wings. However, I would be interested to see how they handle re-entry. The frigging space shuttle burned up, why wouldn't a modified LearJet?
Re:tumbling (Score:4, Interesting)
Once they hit transsonic, they will undergo a severe amount of turbulence. The longer they spend in the transsonic region, the bigger danger to those long, thin wings.
In space, no-one can hear you scream (Score:4, Insightful)
Re:In space, no-one can hear you scream (Score:1)
There's a lot of air at 50,000 feet. Make no mistake. That transsonic region is still going to be problematical.
Re:tumbling (Score:3, Insightful)
Still, they would fall an awfully long way before they can actually get any lift off those wings again. They mention approximately 180 seconds of free-fall - so at 9.8m/s^2... thats 1700m/s at the end of that stage, discounting any drag (which , if they're in free fall, implies none).
Shuttles generally begin de-orbit at about 6,000m/s or so , but they're in a 'proper' orbit, not sub
Re:tumbling (Score:2)
Reaching space is much easier than orbiting (Score:3, Informative)
To stay in orbit, you've got to accelerate to orbital velocity. That takes about an order of magnitude more energy than just lifting yourself out of the atmosphere.
Notice how long the shuttle's engines keep burning after it is fifty miles up.
That's part of the answer to the question about reentry heating. The business jet won't be braking from 18,000 miles per hour.
Re:tumbling (Score:2)
Re:tumbling (Score:1)
Re:tumbling (Score:2, Interesting)
The problem is that the airframe and the wings are NOT designed to withstand the necessary stress of escape velocity.
Correct, yet only shows that you did not follow the link & read. If you had, you know that their flight plan calls for sub-orbital speeds. Sub-orbital speeds are, as the name implies, slower than orbital speed. Which in turn even slower than escape velocities, which for some strange reason your talking about. Escape velocity is the speed at which you totally escape (hence the name) th
Re:tumbling (Score:2)
They don't need to reach escape velocity. Not sure where you got that from.
They're not trying to escape Earth's gravity and go into orbit around the sun. They're trying to get to an altitude of just 100km above the Earth. Huge difference. They're talking about a max velocity less than mach 3. Escape velocity is more like about mach 35 at sea level.
Re:tumbling (Score:1)
Re:tumbling (Score:1, Informative)
For the person wondering about why the plane would not burn up, it's not in orbit. Reentry speed is nothing akin to the shuttle's drop from 18,000 mph.
Bear in mind however that the closest Chuck Yeager came to being killed while testing a plane was in the NF-104, and that's because of the trick
Attitude control (Score:1)
Fly by wire may take all the "excitement" out of this transition, so mere humans don't have to worry about it (unless the avionics packs in, of course)
Manouvering jets (Score:2)
PanAero - ascent sounds plausible, descent doesn't (Score:2, Insightful)
Nitrogen thrusters (Score:2)
Wanna fly it? (Score:5, Informative)
Runs on OS X, OS9 and Windows. Warning: Harder to fly than MS Flightsim -- of course!
X-Plane, being fairly realistic, even has an FAA rating so it can be used (with a $150.000 motion platform) to log hours towards your Airline Transport Certificate.
Re:Wanna fly it? (Score:3, Interesting)
Re:Wanna fly it? (Score:1)
I seem to remember that one guy barrel rolled a 737 or similar (apparently it looks impressive, but is a 1G manoever) and was told not to do it again.
Re:Wanna fly it? (Score:2)
I was told long ago that a 747 is good for 2.5Gs, so it'd be a pretty slow snap roll. Most light aircraft are rated for +6/-3 or so Gs and most acrobatic aircraft are rated for at least +/-9.
To the PanAiro folks. (Score:5, Funny)
Are Competitors Building Dead-End Technology? (Score:5, Interesting)
Consider: Rutan and others plan to boost a more-or-less conventional aircraft to a few times the speed of sound, coast to altitude, and glide back. (You can't just put a bigger firecracker in the back, remember. You need life-support, navigation, communications, and, especially, safe passage through re-entry.)
So, one of them bags the X-Prize, but in the end you still have a vehicle with a maximum velocity of 1500-2500 mph. That's a long way from the 17,000 mph needed to reach and sustain orbit.
Are any X-Prize competitors building something that can be the basis of a realistic orbital vehicle?
Re:Are Competitors Building Dead-End Technology? (Score:5, Informative)
Remember, by launching SpaceShipOne at over 50,000 feet altitude, that right there saves a tremendous amount of propellant needed to fly to the 62.1 mile altitude. It's the same method that allowed the relatively small X-15 with its XLR-99 rocket motor to reach over 354,000 feet, or 67.5 miles into space. During the late 1980's, there were serious studies about building a small spaceplane launched from the top of a modified 747-200 that has been fitted with a de-rated version of the Space Shuttle main engine; Rutan could apply what he learns from SpaceShipOne and build a small spaceplane that could carry as many as seven crew or its equivalent in cargo to the International Space Station. Indeed, I've heard of a company that proposes towing a fully-fueled spaceplane behind another large jet and then launching it at around 40,000 feet; because it launches at this altitude, the spaceplane needs far less propellants to reach low Earth orbit (LEO).
Re:Are Competitors Building Dead-End Technology? (Score:4, Interesting)
Rutan's historical model is Wilbur Wright's tour of France in 1908, which sparked tremendous growth in the industry. Rutan wants SpaceShipOne to kick-start a similar burst of innovation. Hence his ambitious post-X-Prize testing and demonstration plan: Fly every Tuesday for five months, 20 flights in a row on schedule, to determine the system's cost and reliability. Though he envisions everything from 10- passenger suborbital tour buses to a giant White Knight that uses eight 747 engines to launch a 300-ton spacecraft, Rutan says those are for others to build: "The Wrights didn't build the world's first airliner--they didn't need to," he says. "I hope people don't expect me to certificate a spaceship and offer rides. I want to be doing something more exciting by then."
Go, Burt!
Re:Are Competitors Building Dead-End Technology? (Score:2)
Re:Are Competitors Building Dead-End Technology? (Score:1)
Knicker elastic powered X prize (Score:3, Funny)
I am not a mathematician, nor a materials scientist, so I do not know how much energy can be stored in knicker elastic. But I'm sure that it can be released in an effective way to be able to claim the 'X' prize.
I will not die happy if I never see elephants dance the pas de deux. Or human beings achieve true bird like flight. Or humanity starts the herculean task of putting the earth back the way they found it. Come on lads parties over, lets clean the place up, and put all the trees back. I know a place where there is lots of space, lots of room, its very quiet, very clean, no bugs, and twenty four hours a day sunshine. No earthquakes, no typhoons, hurricanes, very few neighbours.
Further proof... (Score:2)
Further proof that an already fairly amusing joke can always be made funnier by the use of British words.
Too much Star Trek! (Score:4, Funny)
If I was one of them fancy "dot-com" rich fellas.. (Score:3, Insightful)
Dense and compact energy sources... hell, fund fusion research for a start... more powerful and efficent ion engines... I don't happen to be a rocket scientist, but you get the idea.
To me, the one who revolutionizes propulsion, will be the first trillionaire in history. Not to mention a true hero to future generations.
The name's Cochrane... Zefram Cochrane... it could be you...
I would like some interplanetary travel (at least!) before I pass from this place. Someone help me out...
Re:If I was one of them fancy "dot-com" rich fella (Score:2)
Ralph Kramden: Bang! Zoom! Straight to the moon!
The answer to everything lies in 50's sitcoms and domestic violence.
Re:If I was one of them fancy "dot-com" rich fella (Score:1)
More importantly it also takes cartloads of cash - you can sit and think about propulsion systems until your arse turns blue, but all of it is for nothing if you never actually test one. And that takes cash, a lot of red tape fighting a team of engineers and probably some highly dangerous, restricted chemicals.
Re:If I was one of them fancy "dot-com" rich fella (Score:1)
If someone offered ten million for the first demonstration of an energy producing fusion reactor, it's unlikely anybody would be motivated who wasn't working on it already.
stuffing rockets... (Score:2)
Re:stuffing rockets... (Score:1)
If a controled "POWER" reentry flight could be engineered into this then the reentry heat would not be needed to "burn off" orbital speed. IE kenetic into heat energy.
Re:stuffing rockets... (Score:1)
Here's my question ... (Score:4, Insightful)
Armadillo and Scaled Composites have quite the financial backing and I think everyone believes that it's just a matter of time before either they succeed or take part in the most expensive darwin award to date. I'm kinda tired of the top news story being W's and Blairs lies and the "war in Iraq" that's supposed to be over yet we're still reportting casulties on both sides.
Everyone dreams of going to space, everyone has looked up in the night sky and thought I wonder what it's really like up there, and everyone at one time growing up pretended they were an astronaut/cosmonaut. I really wish the Ministry of News would declare this newsworthy beyound the nince websites and occassional backpage news blurb.
So who do I call, I'm curious, is there a director of the Ministry of News that declares everything in america newsworthy? Isn't it time that we started focusing on individual efforts for success rather than constantly dwelling on what's gone wrong for the last year? Did the war in Iraq stop these guys? Did september 11th (well legislation limiting their supplies sure didn't help)? Are they terrorists in disguise? NO NO NO NO NO, I want everyone to see that there's hope for the future and not everything is so dark and abismal.
Re:Here's my question ... (Score:2)
Fortunately, by the time they grow up, most people have had these ludicrous, insane and unrealistic dreams beaten out of them by a financially gutted school system staffed with overworked, exhausted teachers, a government/media complex which constantly reminds us that bombers are a better investment th
Re:Here's my question ... (Score:2)
I think that you haven't seriously considered what would comprise the neverending daily grind of merely surviving as a non-wealthy African, Asian, or South American.
The very poorest North Americans are wealthy by Third World standards. Heck, you've probably got running water and everything.
You're absolutely right. (Score:2)
Of course this truth underlies any discussion of poverty and class in North America. But you can't dismiss anyone's poverty based on the fact that there are poorer people elsewhere, living under different circumstances. A laborer living on $1.50 a day in Kenya will take small comfort in the fact that there are people living on $0.75 a day in rural Eritrea. He'll still feel poor.
Re:Here's my question ... (Score:1)
Actually, in the year 2003 press coverage has started to pick up. If you pick up a July copy of Popular Science or Wired , the cover stories are about the X-Prize. And I'm certain that as the X-Prize teams near their launch dates, press coverage will pick up dramatically. And once the X-Prize is won -- well, that will be interesting.
Here are the articles:
Popular [popsci.com]
Guinney Pig #1 (Score:1)
But it could simplify live testing. "Sorry, Mr. Gates, but autopilot kicked in and is trying to take us into space. I don't know why."
X Prize timing... (Score:3, Insightful)
The X Prize will be won while the space shuttle is grounded.
So what, you might ask. Well, it's a big deal. For years, various groups have been trying to persuade NASA to work with, not compete with,
private ventures. And NASA has always given many reasons to refuse, the biggest one being "when was the last time a private company flew a man in space on their own rocket... er, never?" Of course, that's a perfectly legitimate concern.
But when the X-Prize is won while the shuttle is grounded, I think it will send a big message to both NASA and the people in the Administration who hold the purse strings, and we might see some interesting changes in NASA policy, the kind of changes that might speed up the day when every middle class American can enjoy a trip into space for a reasonable price.
Cool, huh?
And it's clear that the X Prize is going to be won soon. Check out
this article [aviationnow.com], which describes Rutan's plans to fly into space by December.
Re:X Prize timing... (Score:1)
Re:X Prize timing... (Score:1)
A lot died trying to crossing the Alantic and but a simple designed driven by guts and a idea that won the day. Yes we dont fly in single person planes across the Alantic but use jets. Same with space. Some of these ideas actualy date back to the mid 20th century or more but with todays tech are possible and practical.
Be nice if they would boost the xprise money if you could go past the ISS and take a pictu
Re:X Prize timing... (Score:2)
Personally, I'd like to see the day when any person from *anywhere* can enjoy a trip to space for a reasonable price.
Star chasing (Score:1)
They have launched a fairly large rocket recently, and have onboard video on the site for you to check out. I think the X prize is a great competition, and gives people the chance to "think out of the box", there has to be a cheaper way of getting into space (and back!) than the currently over inflated budget of the national space agencies. (I have worked in the space sectory for quite a