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Congress Shoots Down Hypersonic Plane

I can completely believe Darpa throwing money at a project that is technically impossible, or at least 10 years beyond feasibility.
 
i don't get why they'd need it to be that manoeuverable...

i thought if a hypersonic military jet ever went into service it'd be in one 3 roles; fast-recon like the supposed Aurora, fast bomber or some kind of rapid-deployment troop carrier...

and for those, flying at Mach 5+ in a straight line is all you need.
 
Oh, I'm not knocking DARPA. They're necessary. But they throw a lot of money at extremely speculative stuff sometimes.
 
The penis mightier than the hypersonic plane.

Yeah, let's kill of a project that employs smart people and give more money to bail out idiots with bean counter degrees.

Damn congress
 
"NOTHING CAN DEFEAT THE PENIS! Sorry, did I say that too loud?"
-Xander Harris, Buffy the Vampire Slayer
 
As much as i like hyper sonic planes, somehow it falls pretty low on the bottom of the list compared to solving the energy crisis, dealing with the tanking economy, dealing with global poverty, and etc.

I'd love to see us make such planes- once we have our more pressing problems solved.
 
I'd rather see us apply our talents to anything and everything we can ... investing in the future by using discoveries found through development of things like hypersonic planes in new and interesting ways. The tanking economy, for example, might recover quite a bit with cheap and easy access to space.
 
honestly, i just don't think that getting into space itself will do anything for the economy. In fact I am sure it won't. To save the economy will require an increase in goods an services provided to each other; not spending enormous sums of money on what essentially amounts to escaping the current economic
cosm.
 
Look at communications satellites. That's a multi-billion dollar industry, servicing the needs of larger communications and media industries. That's done tremendous good for the economy even at the current (expensive) means of getting into space. Now what happens when access to space is cheap enough to be affordable to middle-class citizens? Not only will the communication satellite industry grow even larger and more competitive, but there will be other industries getting into the game. Orbital hotels and space tourism, increased use of space for metallic parts fabrication and pharmaceuticals, new semiconductors become possible in the weightless vacuum of space, and easy access will lead to a migration of the semiconductor industry into orbit, delivering new classes of processor and memory chips unattainable with current technology.

And none of that happens on its own -- other industries will support them, requiring more workers and solutions to new problems, the research of which will inevitably lead to unexpected discoveries that spin off into unrelated fields. That's the way progress works. Not through the edicts of activist agenda, but through a completely unfettered and open process of experimentation, discovery, and development.

You live in a world now where we can afford to worry about the environment and starvation of populations vastly separated from our own precisely because of the end result of this kind of progress. Imagine having those concerns seriously considered if we had the population we had today with nothing more than late nineteenth or early twentieth century technologies. Future generations should be able to reap the benefits we sow today of similar unfettered progress.
 
sounds great, but fails to understand systems theory as it applies to economics. A strong economy back on earth will allow us to get into space.
A broken economy back on earth- no amount of getting into space will fix.
 
Am I mistaken, or could an aircraft traveling at 5+ times the speed of sound likely "coast" into space and ignite a rocket engine to get it into orbit?

Yes you are mistaken. An aircraft traveling at 5 times the speed of sound (aprox 3,600 mph)will never be a true spacecraft as a matter of fact it will never reach space - ever. Air breathing aircraft have more difficulty the higher they climb, with a traditional rocket transport system you don't have to worry about lack of atmosphere you'll still get thrust with no air. Shuttle and Soyuz are a totally different ball park they travel at speeds of 28,000 mph not a pathetic 3600. The only use I could foresee for this project is using it as a military aircraft to launch hyper sonic missiles - more money for the military industrial complex less money for NASA and exploration
 
OOooooooh, you want to take a "systems theory" approach, then? Okay, how about this: let's stop burdening our economy with legislation that makes it harder for industries to grow. Remove the environmental legislation that makes it hard to drill for oil off the U.S. coastlines, do away with a lot of the anti-nuke restrictions that make building nuclear power plants so we can get new plants using new technology online as soon as possible, seriously reexamine ANY legislation that provides a barrier to entry for startups.

A pesky, little one that came up two years ago was the "Unlawful Internet Gambling Enforcement Act" that basically shut down any chance a U.S. citizen had for enjoying a little gambling online in the comfort of their own home. This didn't just turn people who liked to play poker in their jammies into criminals, it also impacted such unrelated places as "Second Life", a virtual reality world that had a small, but not insignificant industry that built and operated virtual casinos. Overnight (literally), Second Life went from a free, open society, to one where every casino was erased from existence ... impacting Second Life citizens from all over the planet (only about 20% of SL citizens come from the U.S.), and leaving many in the virtual community to wonder, "what's next?" Some other countries objected and filed grievances with the WTO, but that ultimately amounted to nothing. This is exactly the kind of trivial nonsense the government shouldn't have anything to do with, and while it's a tiny, almost insignificant example, it's typical of the functioning of the U.S. government for the last thirty years. That kind of tiny crap piles up to something huge over time.

Obviously, I'm focusing a lot on the U.S. government here, but I think a careful, guided relaxation of a lot of the regulations that hamper the U.S. economy will have a strong benefit for every other economy on the planet.
 
Am I mistaken, or could an aircraft traveling at 5+ times the speed of sound likely "coast" into space and ignite a rocket engine to get it into orbit?

Yes you are mistaken. An aircraft traveling at 5 times the speed of sound (aprox 3,600 mph)will never be a true spacecraft as a matter of fact it will never reach space - ever. Air breathing aircraft have more difficulty the higher they climb, with a traditional rocket transport system you don't have to worry about lack of atmosphere you'll still get thrust with no air. Shuttle and Soyuz are a totally different ball park they travel at speeds of 28,000 mph not a pathetic 3600. The only use I could foresee for this project is using it as a military aircraft to launch hyper sonic missiles - more money for the military industrial complex less money for NASA and exploration

I invite you to take a look at the X-15 program run by the United States Air Force back in the 1960s. They had over a dozen flights that made it over fifty miles high -- the altitude at which an astronaut earns space wings. Two even made it to 100 kilometers ... FAI space wings there! Now the X-15 did travel at Mach 6.7, so it was a little faster than Mach 5, but the principle is useful. Go fast, get high, and touch the edge of space.

Of course, what can you do that's useful up there? You're nowhere near low-earth orbital velocities, as you pointed out, and it'd take a lot more fuel to finish the job. But you could then deploy smaller payloads with their own rocket motor, and those will launch with most of the work of getting into space already accomplished. This might be useful for small satellites or maybe one or two man space tourism capsules.

But you might be able to hook on to a tether hanging from a much higher orbit and use it to winch you up into orbit, significantly cutting the costs of getting into space. Similar in concept to a "space elevator" that would extend a tether from geosynch to the ground, this would require a lot less line and needn't be permanently deployed; the tether would extend when necessary and an approaching hypersonic vehicle would hook on. The final orbit would be somewhere between the edge of space and the tether station's initial orbit. Such a tether should also be able to provide electric current to power ion thrusters or maybe even magnetic thrusters to gradually put the tether station back at a higher orbit.

Of course ... we'd kinda need a working hypersonic plane as one of the components for such a mad scheme, wouldn't we? Hmmm...
 
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