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Originally posted by Simon666
Originally posted by Murcielago
I dont think the military has a spaceplane, but I would bet that they have a craft that can put satellites in orbit...for a fraction of toadys rocket costs.
One of them calls Pegasus and exists today.
Originally posted by Nipples
Oh and spaceship one reached about a third of the shuttle's orbit...not what I would call 'close'. On top of that, it only did this with a one-man payload...after being dropped from a plane no less.
Originally posted by Nipples
PDE's and scramjets are not 'black' they're out in the open. They are plastered all over the Airforce, Navy, Army, DARPA, NASA research sites they are so wide open.
As for the space elevator, thats nothing but Popular Science drivel and powerpoint engineering right now.
and honestly I think it's a waste of time
Even if it works as perfect as the theory goes, we'll just use it as a crutch and put propulsion technology on the back burner.
So what happens when we maybe want to go somewhere besides Earth orbit?
Build an elevator there?
Best case scenario it's a fancy piece of half-assed engineering.
Originally posted by Nipples
ShadowXIX, sorry, I did forget they added the weight of an extra pair of people. So the payload was 500lbs-ish. Still not all that impressive in my mind. It's impressive they accomplished it as a pseduo-private organization, but the accomplishment itself is 40+ years old. The awe of the x-prize was the ability to do something without government help.
Originally posted by Nipples
But what I haven't seen is anyone demonstrating a realistic means of propelling the thing UP the ribbon.
If it crawls under its own power it has to have onboard power to last for the multiple-day long trip up the ribbon, that doesn't come free of any weight charge. Solar power conversion is too inefficient. Beamed laser energy is unproven on the scale needed for placing appreciable payloads into orbit.
Even if it works great it's only good for small payloads anyways, and those launch costs have been substantially lowered in the past decade with standard rocket technology.
Rocket technology has progressed well in the past few decades. Launch reliability has gone way up while costs continue to decline. There was a day when if you had something heavy to put in orbit you HAD to use the shuttle. Now you have expendable launch options from Boeing (Delta IV Heavy), Lockheed (Atlas V), and the ESA (Ariane 5).
and NASA is just now starting to think about using that tech for the Prometheus project.
Ultimately we need to develop acces to space to a point similar to airline travel.
yes, gas is high and that is a metaphor for high launch costs, but that doesn't mean you just give up...and that's what I see the sace elevator as doing.
Plus we're going to need propulsion advancements if we ever plan on leaving earth orbit routinely, so why not get crackin?
Originally posted by Nipples
But what I haven't seen is anyone demonstrating a realistic means of propelling the thing UP the ribbon.
If it crawls under its own power it has to have onboard power to last for the multiple-day long trip up the ribbon, that doesn't come free of any weight charge.
Solar power conversion is too inefficient.
Beamed laser energy is unproven on the scale needed for placing appreciable payloads into orbit.
If we could reliably beam laser energy through the atmosphere we wouldnt worry about lining our sats' solar panel up all the time.
That's why I call it powerpoint engineering...it makes for nice theories and pretty pictures, but it falls short in several key areas.
Even if it works great it's only good for small payloads anyways, and those launch costs have been substantially lowered in the past decade with standard rocket technology.
Speaking of launch costs (what a segway), I've read similar cost reduction claims (40 times) from when the shuttle was being built and we all saw how that worked out.
RThe problem is people are too affraid of the N-word (nuclear...not the other). The NERVA project back in the 60's showed tremendous promise, and NASA is just now starting to think about using that tech for the Prometheus project. Imagine if we could have developed nuclear rockets over the past 30 years to the state of refinement we have chemical rockets?
Will the space elevator be an amazing achievement...maybe.
Will the technology develped to make it a reality further the field science...definitely. In a perfect world we could develop the elevator, rockets, and any other wild idea to their pinnacle. But we can't, so we have to choose.
Plus we're going to need propulsion advancements if we ever plan on leaving earth orbit routinely, so why not get crackin?
Clearly from reading this you should realize that I hold a little bias since I'm a propulsion guy, so I'll grant anyone that claim.
Sardion
You forgetting that this thing will be 50,000 km in length we could have multiple "floors" at different altitudes. Some designs have even called to use it as a "sling" of sorts to render rockets pretty much obsolete for inner-solar system trips.
Originally posted by JIMC5499
I'd be kind of pissed off if the US military had orbital capability and still left the Columbia crew ride the shuttle down! I'm betting that they probably do given the signs.
Originally posted by ShadowXIX
I wouldnt doubt the military could do this. NASA's annual budget was $15.4 billion last time I checked represented less than 1% of the entire federal budget . The best estimates of the US military (Black) budget is $40 billion a year.
They could easily fund such a craft in the black budget alone if they wanted
[edit on 25-10-2005 by ShadowXIX]
Originally posted by Shadowhawk
It is impossible to have a secret shuttle or space station because such things cannot be launched in secret.
Originally posted by zorgon
Originally posted by darkbluesky
By the way, it's being kept from the public quite unsuccessfully as evidenced by the number of web sites, books, and discussion forums like ATS, where it's openly discussed daily.
Well one of the theories we have is that they are gearing to a major release of secret info in the near future and I have a lot of evidence to support this...
However ATS is one of the best sites for this kind of discussion, and all you have to do is look at this thread to see the reactions to anything out of the ordinar... Imagine then what its like all over the web. I bet the government knows this... counts on it... and most likely feeds it to keep people guessing.
As long as people trying to bring stuff to public attention have to suffer ridicule and abuse, the government can do what it wants... anyone sees something they merely point to the conspiracy nuts..
One main factor in this is that people generally DO NOT read links to material in most of these discussions... I posted military documents from the DoD, AFRL and LANL regarding work on teleportation and stargates... the mere fact that these bodies are even TALKING about it should get peoples attention... yet only a few people even glanced at it and there were no comments at all in three threads.
What does this mean? There are literally THOUSANDS of documents available online about things like work on stargates, gravity shielding, warp drives etc. They are public, but not easy to find... so they are invisible to the majority of the public...
Unless you know what you are looking for, you won't find it...
Now we are talking secrets launches...
How about launching from a moving platform at sea? You can go anywhere with one of those...
Maybe something big enough that can launch Delta IV Heavy component rockets?
That would put a new twist into the picture wouldn't it?
And how about if that Launch Platform was an international venture, proving they are working on this together?
And what if the Launch vehicle was a Joint Boeing Energia venture? You know Energia... the RUSSIAN company who builds the RUSSIAN shuttle Buran?
Hmmm that would really put a twist into things...