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[TheVerge] SpaceX's Falcon 9 explodes on Florida launch pad during rocket test - Page 6

post #51 of 67
Quote:
Originally Posted by B NEGATIVE View Post

ICBMs are never fired so you don't have a case example...

The problem is that liquid fuelled rockets are very heavy and cold once filled. This is hard on materials leading to stress failures.

Another thing to consider is that the launch parameters are very different,orbital launches require more power.

Actually... Ballistic missile testing occurs more often than you might think. There were two tests early this year in the US. Russia and China have also tested them. Nuclear weapons are scary as hell but I understand their purpose and agree with it: Mutually Assured Destruction. They are so freaking powerful and terrifying that nobody will actually use one because the catastrophic destruction that a retaliatory and second-strike attack will bring on its targets. If Russia launched, we'd launch. The UK would launch. India and Pakistan would probably launch at each other. France would take part. North Korea would launch into the Sea of Japan...

"Ballistic" is also a bit of a misnomer - they are not unguided gravity bombs. These weapons have advanced guidance systems - both intertial and GPS - and as far as nuclear weapons are concerned, they are incredibly accurate.

Just got me going for a minute.. sorry smile.gif

On the other hand, nuclear energy is awesome and isn't as dangerous as the media likes to talk about once in a while.
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post #52 of 67
Quote:
Originally Posted by Dienz View Post

Actually... Ballistic missile testing occurs more often than you might think. There were two tests early this year in the US. Russia and China have also tested them. Nuclear weapons are scary as hell but I understand their purpose and agree with it: Mutually Assured Destruction. They are so freaking powerful and terrifying that nobody will actually use one because the catastrophic destruction that a retaliatory and second-strike attack will bring on its targets. If Russia launched, we'd launch. The UK would launch. India and Pakistan would probably launch at each other. France would take part. North Korea would launch into the Sea of Japan...

"Ballistic" is also a bit of a misnomer - they are not unguided gravity bombs. These weapons have advanced guidance systems - both intertial and GPS - and as far as nuclear weapons are concerned, they are incredibly accurate.

Just got me going for a minute.. sorry smile.gif

On the other hand, nuclear energy is awesome and isn't as dangerous as the media likes to talk about once in a while.

Ballistic refers to the arc of trajectory,not guidance.

You are incorrect in thinking that they just launch the rocket. The tests are static test bed firings,very different to an actual launch condition.



The last was the DPRK in April.
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post #53 of 67
Quote:
Originally Posted by B NEGATIVE View Post

Ballistic refers to the arc of trajectory,not guidance.

You are incorrect in thinking that they just launch the rocket. The tests are static test bed firings,very different to an actual launch condition.



The last was the DPRK in April.

http://www.cbsnews.com/news/us-launches-unarmed-minuteman-nuclear-missile-test-north-korea/

Looks like a launch to me!
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post #54 of 67
Using a full payload during a test launch? Really, SpaceX?
post #55 of 67
Boss : Ok guys, test fire today. Shall we load the payload or not?
Team : Boss, its insured so why not
Boss : Ok load it, then we can go for drinks after the test

biggrin.gifbiggrin.gifbiggrin.gifbiggrin.gifbiggrin.gif
   
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post #56 of 67
Quote:
Originally Posted by lombardsoup View Post

Using a full payload during a test launch? Really, SpaceX?

Quote:
Originally Posted by SystemTech View Post

Boss : Ok guys, test fire today. Shall we load the payload or not?
Team : Boss, its insured so why not
Boss : Ok load it, then we can go for drinks after the test

biggrin.gifbiggrin.gifbiggrin.gifbiggrin.gifbiggrin.gif

Because it was to be launched tomorrow and was a standard routine test. If you disassembled it for the payload AFTER the test that would pretty much invalidate the test
 
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post #57 of 67
Quote:
Originally Posted by EniGma1987 View Post

Anyone else wonder why space based craft explode so often during liftoff or test of engines and such? We have missiles that work with far higher reliability and even ones that have big enough engines to carry the missiles across continents, yet very similar ones for space based operations explode and fail regularly? Seems weird to me. You would think with all the decades of experience and massively powerful computer simulations we would have the math and science down by now.

you cannot make up for human error, faulty part, inspection ....biggrin.gif
post #58 of 67
Quote:
Originally Posted by ladcrooks View Post

you cannot make up for human error, faulty part, inspection ....biggrin.gif

We launch several satellites every year and you dont hear about issues on those launches. This is probably more design issue than faulty part, perhaps QA process. These things are to be expected... they will learn from this and make sure it doesn't happen again.
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post #59 of 67
Another Space-X fail, people don't seem to be going as crazy as they did when NASA fails.

Funnily enough Mark Zuckerburg was "Dissapointed" to hear the satalite went up in smoke tongue.gif
post #60 of 67
Quote:
Originally Posted by B NEGATIVE View Post

ICBMs are never fired so you don't have a case example...

Many launch vehicles, some still in service, were originally built as ICBMs. Vostok/Soyuz design are the most widely used (almost 1800 launches) and most reliable (very high 90's % success rate) spacecraft ever.

Even the submarine launched missiles which haven't been used to put payloads in orbit, have probably been test fired thousands of times.
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