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Chinese launch in bad weather



 
 
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  #1  
Old August 8th 11, 08:46 PM posted to sci.space.policy
Anonymous[_3_]
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Posts: 58
Default Chinese launch in bad weather

http://www.spaceflightnow.com/news/n...rch/index.html

"Launching in a torrential rain and lightning storm, a Long March
rocket lifted off Tuesday from southwest China and successfully
released a navigation satellite in orbit, state-run media reported."

Are they taking huge risks or are their rockets that reliable?


  #2  
Old August 8th 11, 11:03 PM posted to sci.space.policy
John Savard[_2_]
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Posts: 213
Default Chinese launch in bad weather

On Mon, 8 Aug 2011 21:46:49 +0200 (CEST), Anonymous
wrote, in part:

http://www.spaceflightnow.com/news/n...rch/index.html

"Launching in a torrential rain and lightning storm, a Long March
rocket lifted off Tuesday from southwest China and successfully
released a navigation satellite in orbit, state-run media reported."

Are they taking huge risks or are their rockets that reliable?


Maybe the storm was an unexpected one that started after the rocket was
fuelled. That is the only circumstance under which I could imagine this
might make sense.

John Savard
http://www.quadibloc.com/index.html
  #3  
Old August 9th 11, 04:39 AM posted to sci.space.policy
Orval Fairbairn
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Posts: 267
Default Chinese launch in bad weather

In article ci.org,
Anonymous wrote:

http://www.spaceflightnow.com/news/n...rch/index.html

"Launching in a torrential rain and lightning storm, a Long March
rocket lifted off Tuesday from southwest China and successfully
released a navigation satellite in orbit, state-run media reported."

Are they taking huge risks or are their rockets that reliable?


Huge risks. T-storm wind gusts can overpower the controllability of a
rocket both at launch and at max Q. They could have lost the bird.
  #4  
Old August 9th 11, 06:43 AM posted to sci.space.policy
karnath
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Posts: 2
Default Chinese launch in bad weather

On 2011-08-09, Orval Fairbairn wrote:
In article ci.org,
Anonymous wrote:

http://www.spaceflightnow.com/news/n...rch/index.html

"Launching in a torrential rain and lightning storm, a Long March
rocket lifted off Tuesday from southwest China and successfully
released a navigation satellite in orbit, state-run media reported."

Are they taking huge risks or are their rockets that reliable?


Huge risks. T-storm wind gusts can overpower the controllability of a
rocket both at launch and at max Q. They could have lost the bird.


Don't forget: Chinese, as well as before Soviet Union, do not care
about resources and are using ballistic rockets for spacecrafts. They
were build to launch in difficult conditions.

--
Phlog: gopher://sdf.org/1/users/karnath
Jabber:
  #5  
Old August 9th 11, 07:02 AM posted to sci.space.policy
Alan Erskine[_3_]
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Posts: 1,026
Default Chinese launch in bad weather

On 9/08/2011 5:46 AM, Anonymous wrote:
http://www.spaceflightnow.com/news/n...rch/index.html

"Launching in a torrential rain and lightning storm, a Long March
rocket lifted off Tuesday from southwest China and successfully
released a navigation satellite in orbit, state-run media reported."

Are they taking huge risks or are their rockets that reliable?



Just another anonymous Reece coward.
  #6  
Old August 9th 11, 06:25 PM posted to sci.space.policy
John Savard[_2_]
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Posts: 213
Default Chinese launch in bad weather

On Tue, 9 Aug 2011 05:43:46 +0000 (UTC), karnath
wrote, in part:

and are using ballistic rockets for spacecrafts.


What exactly are the Redstone, the Atlas, and the Titan? Chopped liver?

John Savard
http://www.quadibloc.com/index.html
  #7  
Old August 9th 11, 10:16 PM posted to sci.space.policy
karnath
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Posts: 2
Default Chinese launch in bad weather

On 2011-08-09, John Savard wrote:
On Tue, 9 Aug 2011 05:43:46 +0000 (UTC), karnath
wrote, in part:

and are using ballistic rockets for spacecrafts.


What exactly are the Redstone, the Atlas, and the Titan? Chopped liver?


Why you people always start to feel discomfit about US rockets when
somebody mentions Chinese? I didn't say a word about these.

Of course they are not chopped liver. But they are build in different
economical environment.

  #8  
Old August 9th 11, 10:56 PM posted to sci.space.policy
John Savard[_2_]
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Posts: 213
Default Chinese launch in bad weather

On Tue, 9 Aug 2011 21:16:42 +0000 (UTC), karnath
wrote, in part:

Why you people always start to feel discomfit about US rockets when
somebody mentions Chinese? I didn't say a word about these.

Of course they are not chopped liver. But they are build in different
economical environment.


My point is - they are "ballistic rockets" too, so if the fact that a
rocket is also used as a ballistic missile makes it more normal to
launch it in foul weather, this would apply to the American ones as
well.

John Savard
http://www.quadibloc.com/index.html
  #9  
Old August 10th 11, 12:19 AM posted to sci.space.policy
Pat Flannery
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Posts: 18,465
Default Chinese launch in bad weather

On 8/9/2011 9:25 AM, John Savard wrote:
On Tue, 9 Aug 2011 05:43:46 +0000 (UTC), karnath
wrote, in part:

and are using ballistic rockets for spacecrafts.


What exactly are the Redstone, the Atlas, and the Titan? Chopped liver?


Don't forget Thor and Jupiter. Jupiter didn't last that long as a launch
vehicle, but Thor was the direct ancestor of the Delta II.


Pat
  #10  
Old August 10th 11, 02:40 AM posted to sci.space.policy
Pat Flannery
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Posts: 18,465
Default Chinese launch in bad weather

On 8/9/2011 1:56 PM, John Savard wrote:

My point is - they are "ballistic rockets" too, so if the fact that a
rocket is also used as a ballistic missile makes it more normal to
launch it in foul weather, this would apply to the American ones as
well.


I don't know about Atlas, but the Titan II ICBM at least was designed to
launch in pretty foul weather, with its silo giving it a lot of
protection up till the launch itself.
Minuteman III has the advantage of its jettisonable nose cone giving
some protection against hail and lightning to the three (now just one*)
warheads housed inside of it. In the case of the earlier ICBMs and IRBMs
the RV was exposed to the exterior weather during ascent and could have
been damaged by passing through hail or a lightning strike on the
missile's nose.

* A W87 taken off of a deactivated MX "Peacekeeper" missile.
Since each missile now carries only a single warhead, ABMs are now a
practical concept from an economic point of view again.

Pat
 




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